🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.9

Radius: 13.2

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.46 AU - 0.56 AU

Year: 251 Days

Day: 14.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,294,155 km

• M1: 166,951 km (0.111 R)
• M2: 269,426 km (0.048 R)
• M3: 365,617 km (0.1 R)
• M4: 489,634 km (0.091 R)
• M5: 661,223 km (0.043 R)
• M6: 773,122 km (0.095 R)
• M7: 880,533 km (0.097 R)
• M8: 1,016,518 km (0.075 R)
• M9: 1,145,321 km (0.115 R)
• M10: 1,229,994 km (0.115 R)
• M11: 1,434,494 km (0.041 R)
• M12: 1,530,685 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.7

Radius: 10.1

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.94 AU - 0.98 AU

Year: 649 Days

Day: 11.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 83,294,155 km

• M1: 125,812 km (0.108 R)
• M2: 215,870 km (0.044 R)
• M3: 325,824 km (0.102 R)
• M4: 469,139 km (0.115 R)
• M5: 534,064 km (0.096 R)
• M6: 606,769 km (0.081 R)
• M7: 687,701 km (0.099 R)
• M8: 851,960 km (0.082 R)
• M9: 929,452 km (0.103 R)
• M10: 1,029,832 km (0.078 R)
• M11: 1,264,252 km (0.116 R)
• M12: 1,370,765 km (0.11 R)
• M13: 1,486,404 km (0.083 R)
• M14: 1,635,703 km (0.089 R)
• M15: 1,840,503 km (0.059 R)
• M16: 2,027,500 km (0.108 R)
• M17: 2,186,971 km (0.066 R)
• M18: 2,302,610 km (0.114 R)
• M19: 2,497,387 km (0.119 R)
• M20: 2,690,518 km (0.051 R)
• M21: 2,785,363 km (0.102 R)
• M22: 2,881,255 km (0.077 R)
• M23: 2,985,824 km (0.112 R)
• M24: 3,099,219 km (0.055 R)
• M25: 3,206,481 km (0.107 R)
• M26: 3,322,718 km (0.119 R)
• M27: 3,393,029 km (0.106 R)
• M28: 3,464,088 km (0.104 R)
• M29: 3,567,460 km (0.105 R)
• M30: 3,696,115 km (0.112 R)
• M31: 3,891,938 km (0.026 R)
• M32: 3,966,288 km (0.088 R)
• M33: 4,108,107 km (0.059 R)
• M34: 4,268,626 km (0.05 R)
• M35: 4,345,369 km (0.099 R)
• M36: 4,439,766 km (0.048 R)
• M37: 4,552,263 km (0.061 R)
• M38: 4,683,311 km (0.107 R)
• M39: 4,886,614 km (0.055 R)
• M40: 4,957,973 km (0.048 R)
• M41: 5,020,804 km (0.091 R)
• M42: 5,247,145 km (0.081 R)
• M43: 5,393,901 km (0.072 R)
• M44: 5,588,528 km (0.114 R)
• M45: 5,832,671 km (0.09 R)
• M46: 5,898,943 km (0.092 R)
• M47: 6,478,037 km (0.1 R)
• M48: 6,615,667 km (0.112 R)
• M49: 6,714,700 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.3

Radius: 11.7

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.08 AU - 1.26 AU

Year: 874 Days

Day: 12.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 83,294,155 km

• M1: 154,385 km (0.093 R)
• M2: 280,945 km (0.094 R)
• M3: 387,010 km (0.118 R)
• M4: 499,358 km (0.091 R)
• M5: 625,170 km (0.103 R)
• M6: 788,082 km (0.079 R)
• M7: 870,061 km (0.1 R)
• M8: 1,054,815 km (0.118 R)
• M9: 1,175,690 km (0.111 R)
• M10: 1,252,882 km (0.099 R)
• M11: 1,394,252 km (0.114 R)
• M12: 1,502,262 km (0.087 R)
• M13: 1,857,407 km (0.076 R)
• M14: 1,934,600 km (0.109 R)
• M15: 2,020,020 km (0.059 R)
• M16: 2,165,280 km (0.059 R)
• M17: 2,367,087 km (0.106 R)
• M18: 2,709,217 km (0.116 R)
• M19: 2,797,331 km (0.092 R)
• M20: 2,927,182 km (0.103 R)
• M21: 3,218,449 km (0.098 R)
• M22: 3,294,893 km (0.099 R)
• M23: 3,423,697 km (0.066 R)
• M24: 3,510,464 km (0.086 R)
• M25: 3,695,217 km (0.055 R)
• M26: 3,883,112 km (0.07 R)
• M27: 3,992,019 km (0.117 R)
• M28: 4,249,926 km (0.033 R)
• M29: 4,371,699 km (0.083 R)
• M30: 4,513,517 km (0.093 R)
• M31: 4,666,556 km (0.101 R)
• M32: 4,918,928 km (0.075 R)
• M33: 5,046,834 km (0.084 R)
• M34: 5,205,856 km (0.075 R)
• M35: 5,579,851 km (0.101 R)
• M36: 5,764,904 km (0.094 R)
• M37: 5,920,785 km (0.067 R)
• M38: 6,099,105 km (0.115 R)
• M39: 6,204,871 km (0.114 R)
• M40: 6,289,992 km (0.09 R)
• M41: 6,386,034 km (0.118 R)
• M42: 6,514,987 km (0.119 R)
• M43: 6,677,451 km (0.091 R)
• M44: 6,984,276 km (0.07 R)
• M45: 7,206,279 km (0.101 R)
• M46: 7,487,224 km (0.093 R)
• M47: 7,623,358 km (0.064 R)
• M48: 7,771,609 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.9

Radius: 9.1

Gravity: 10.35 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.24 AU - 1.4 AU

Year: 1047 Days

Day: 12.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 83,294,155 km

• M1: 116,088 km (0.116 R)
• M2: 200,611 km (0.117 R)
• M3: 276,008 km (0.09 R)
• M4: 341,831 km (0.084 R)
• M5: 409,749 km (0.043 R)
• M6: 472,430 km (0.085 R)
• M7: 701,764 km (0.091 R)
• M8: 840,142 km (0.067 R)
• M9: 1,129,165 km (0.086 R)
• M10: 1,206,208 km (0.096 R)
• M11: 1,277,267 km (0.111 R)
• M12: 1,349,822 km (0.104 R)
• M13: 1,431,951 km (0.108 R)
• M14: 1,558,660 km (0.084 R)
• M15: 1,662,631 km (0.061 R)
• M16: 1,724,415 km (0.074 R)
• M17: 1,823,149 km (0.074 R)
• M18: 1,914,554 km (0.089 R)
• M19: 2,017,028 km (0.074 R)
• M20: 2,256,684 km (0.053 R)
• M21: 2,515,638 km (0.101 R)
• M22: 2,597,318 km (0.082 R)
• M23: 2,659,252 km (0.068 R)
• M24: 2,721,484 km (0.062 R)
• M25: 2,794,937 km (0.049 R)
• M26: 3,008,264 km (0.031 R)
• M27: 3,182,844 km (0.1 R)
• M28: 3,338,276 km (0.049 R)
• M29: 3,405,745 km (0.041 R)
• M30: 3,496,401 km (0.031 R)
• M31: 3,668,439 km (0.081 R)
• M32: 3,914,079 km (0.075 R)
• M33: 3,973,469 km (0.032 R)
• M34: 4,044,977 km (0.036 R)
• M35: 4,201,456 km (0.118 R)
• M36: 4,274,460 km (0.041 R)
• M37: 4,570,514 km (0.063 R)
• M38: 5,078,549 km (0.117 R)
• M39: 5,445,063 km (0.061 R)
• M40: 5,752,487 km (0.118 R)
• M41: 5,833,569 km (0.08 R)
• M42: 6,189,612 km (0.079 R)
• M43: 6,258,876 km (0.08 R)
• M44: 6,384,239 km (0.096 R)
• M45: 6,680,143 km (0.114 R)
• M46: 6,951,663 km (0.098 R)
• M47: 7,110,536 km (0.083 R)
• M48: 7,520,285 km (0.108 R)
• M49: 8,073,647 km (0.099 R)
• M50: 8,134,235 km (0.106 R)
• M51: 8,332,302 km (0.102 R)
• M52: 8,408,896 km (0.083 R)
• M53: 8,485,790 km (0.12 R)
• M54: 8,873,398 km (0.067 R)
• M55: 8,951,637 km (0.112 R)
• M56: 9,282,847 km (0.066 R)
• M57: 10,169,065 km (0.099 R)
• M58: 10,398,997 km (0.071 R)
• M59: 10,464,969 km (0.082 R)
• M60: 10,597,364 km (0.088 R)
• M61: 10,780,322 km (0.115 R)
• M62: 10,863,947 km (0.114 R)
• M63: 10,964,477 km (0.097 R)
• M64: 11,166,434 km (0.115 R)
• M65: 11,234,052 km (0.039 R)
• M66: 11,301,820 km (0.114 R)
• M67: 11,454,709 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.8

Radius: 4.7

Gravity: 38.42 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.65 AU - 7.03 AU

Year: 9742 Days

Day: 19.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 83,294,155 km

• M1: 66,721 km (0.071 R)
• M2: 270,323 km (0.089 R)
• M3: 462,706 km (0.119 R)
• M4: 895,942 km (0.073 R)
• M5: 1,034,768 km (0.072 R)
• M6: 1,096,403 km (0.092 R)
• M7: 1,585,139 km (0.079 R)
• M8: 1,632,562 km (0.068 R)
• M9: 1,827,188 km (0.091 R)
• M10: 1,902,137 km (0.063 R)
• M11: 2,106,787 km (0.064 R)
• M12: 2,848,643 km (0.115 R)
• M13: 3,292,649 km (0.116 R)
• M14: 3,445,389 km (0.04 R)
• M15: 3,663,203 km (0.096 R)
• M16: 3,758,048 km (0.111 R)
• M17: 3,853,492 km (0.082 R)
• M18: 4,079,534 km (0.054 R)
• M19: 4,443,506 km (0.109 R)
• M20: 5,131,506 km (0.115 R)
• M21: 5,344,384 km (0.052 R)
• M22: 6,111,821 km (0.077 R)
• M23: 6,565,701 km (0.1 R)
• M24: 6,680,891 km (0.059 R)
• M25: 6,835,576 km (0.094 R)
• M26: 7,425,739 km (0.116 R)
• M27: 7,706,834 km (0.081 R)
• M28: 8,696,573 km (0.095 R)
• M29: 8,865,319 km (0.102 R)
• M30: 9,813,022 km (0.102 R)
• M31: 10,747,410 km (0.091 R)
• M32: 10,883,095 km (0.087 R)
• M33: 11,019,529 km (0.086 R)
• M34: 11,156,411 km (0.114 R)
• M35: 11,802,823 km (0.115 R)
• M36: 11,942,847 km (0.075 R)
• M37: 12,036,495 km (0.063 R)
• M38: 12,603,920 km (0.098 R)
• M39: 13,131,551 km (0.099 R)
• M40: 13,568,676 km (0.051 R)
• M41: 14,208,357 km (0.073 R)
• M42: 15,059,718 km (0.102 R)
• M43: 16,549,863 km (0.117 R)
• M44: 16,811,510 km (0.106 R)
• M45: 17,925,116 km (0.114 R)
• M46: 18,032,527 km (0.115 R)
• M47: 18,086,233 km (0.099 R)
• M48: 19,117,261 km (0.106 R)
• M49: 19,446,826 km (0.109 R)
• M50: 19,667,482 km (0.09 R)
• M51: 20,558,787 km (0.083 R)
• M52: 21,634,096 km (0.045 R)
• M53: 23,898,110 km (0.104 R)
• M54: 24,431,127 km (0.048 R)
• M55: 24,609,598 km (0.053 R)
• M56: 25,629,556 km (0.084 R)
• M57: 25,871,605 km (0.108 R)
• M58: 25,992,929 km (0.075 R)
• M59: 26,908,468 km (0.094 R)
• M60: 27,463,028 km (0.073 R)
• M61: 28,270,557 km (0.104 R)
• M62: 29,148,846 km (0.065 R)
• M63: 29,338,237 km (0.04 R)
• M64: 29,654,786 km (0.086 R)
• M65: 29,781,645 km (0.095 R)
• M66: 29,908,803 km (0.098 R)
• M67: 30,482,960 km (0.043 R)
• M68: 30,803,548 km (0.089 R)
• M69: 32,227,420 km (0.042 R)
• M70: 32,358,019 km (0.028 R)
• M71: 32,816,088 km (0.118 R)
• M72: 33,078,932 km (0.112 R)
• M73: 33,672,686 km (0.081 R)
• M74: 34,004,045 km (0.074 R)
• M75: 34,536,464 km (0.104 R)
• M76: 35,542,360 km (0.058 R)
• M77: 35,677,147 km (0.107 R)
• M78: 37,719,906 km (0.107 R)
• M79: 38,271,174 km (0.117 R)
• M80: 39,940,388 km (0.084 R)
• M81: 40,221,033 km (0.063 R)
• M82: 40,925,190 km (0.082 R)
• M83: 41,066,411 km (0.092 R)
• M84: 41,349,599 km (0.037 R)
• M85: 41,562,328 km (0.06 R)
• M86: 41,633,387 km (0.117 R)
• M87: 43,062,046 km (0.077 R)
• M88: 43,926,872 km (0.112 R)
• M89: 44,434,008 km (0.067 R)
• M90: 44,651,972 km (0.111 R)
• M91: 44,943,090 km (0.081 R)
• M92: 45,161,952 km (0.108 R)
• M93: 47,740,271 km (0.065 R)
• M94: 48,186,970 km (0.113 R)
• M95: 48,410,918 km (0.062 R)
• M96: 48,784,913 km (0.099 R)
• M97: 49,310,001 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50.8

Radius: 3.4

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 6.68 AU - 10.98 AU

Year: 18111 Days

Day: 15.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 83,294,155 km

• M1: 337,044 km (0.056 R)
• M2: 526,136 km (0.114 R)
• M3: 769,681 km (0.116 R)
• M4: 835,654 km (0.069 R)
• M5: 1,299,856 km (0.039 R)
• M6: 1,743,563 km (0.11 R)
• M7: 1,883,288 km (0.115 R)
• M8: 1,936,694 km (0.043 R)
• M9: 2,497,387 km (0.057 R)
• M10: 2,556,029 km (0.027 R)
• M11: 3,125,548 km (0.08 R)
• M12: 3,577,334 km (0.116 R)
• M13: 3,822,226 km (0.03 R)
• M14: 3,844,665 km (0.119 R)
• M15: 3,980,799 km (0.097 R)
• M16: 4,049,315 km (0.032 R)
• M17: 4,211,030 km (0.071 R)
• M18: 4,493,022 km (0.099 R)
• M19: 5,025,890 km (0.106 R)
• M20: 5,476,479 km (0.119 R)
• M21: 5,965,963 km (0.119 R)
• M22: 6,176,298 km (0.066 R)
• M23: 6,229,255 km (0.063 R)
• M24: 7,096,923 km (0.086 R)
• M25: 7,263,725 km (0.038 R)
• M26: 7,944,096 km (0.063 R)
• M27: 9,578,004 km (0.103 R)
• M28: 10,165,774 km (0.107 R)
• M29: 10,385,383 km (0.085 R)
• M30: 12,263,285 km (0.051 R)
• M31: 12,833,253 km (0.061 R)
• M32: 12,934,681 km (0.105 R)
• M33: 13,070,366 km (0.047 R)
• M34: 13,172,392 km (0.072 R)
• M35: 13,859,794 km (0.102 R)
• M36: 14,312,776 km (0.115 R)
• M37: 14,806,150 km (0.08 R)
• M38: 16,099,872 km (0.115 R)
• M39: 17,279,900 km (0.03 R)
• M40: 17,504,297 km (0.113 R)
• M41: 19,449,818 km (0.055 R)
• M42: 20,824,024 km (0.079 R)
• M43: 21,462,657 km (0.064 R)
• M44: 21,865,075 km (0.032 R)
• M45: 22,881,892 km (0.042 R)
• M46: 22,922,882 km (0.051 R)
• M47: 23,997,144 km (0.057 R)
• M48: 24,708,482 km (0.08 R)
• M49: 24,876,929 km (0.03 R)
• M50: 25,130,198 km (0.03 R)
• M51: 25,172,385 km (0.096 R)
• M52: 25,980,513 km (0.035 R)
• M53: 26,151,802 km (0.101 R)
• M54: 26,366,326 km (0.065 R)
• M55: 27,491,302 km (0.099 R)
• M56: 29,074,645 km (0.101 R)
• M57: 29,609,009 km (0.049 R)
• M58: 29,653,589 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.8

Radius: 6.7

Gravity: 21.94 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 8.71 AU - 9.59 AU

Year: 19105 Days

Day: 19.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 83,294,155 km

• M1: 267,780 km (0.101 R)
• M2: 1,127,519 km (0.085 R)
• M3: 1,591,572 km (0.098 R)
• M4: 1,758,373 km (0.104 R)
• M5: 2,145,383 km (0.042 R)
• M6: 3,629,095 km (0.072 R)
• M7: 3,983,642 km (0.088 R)
• M8: 4,302,884 km (0.094 R)
• M9: 4,821,091 km (0.094 R)
• M10: 5,014,371 km (0.075 R)
• M11: 5,458,826 km (0.113 R)
• M12: 5,609,771 km (0.103 R)
• M13: 7,083,908 km (0.12 R)
• M14: 7,750,366 km (0.115 R)
• M15: 8,669,795 km (0.05 R)
• M16: 9,261,754 km (0.039 R)
• M17: 9,381,731 km (0.107 R)
• M18: 9,805,841 km (0.107 R)
• M19: 10,112,517 km (0.086 R)
• M20: 12,148,843 km (0.069 R)
• M21: 12,346,013 km (0.119 R)
• M22: 12,610,652 km (0.103 R)
• M23: 12,944,105 km (0.089 R)
• M24: 13,756,272 km (0.091 R)
• M25: 14,237,529 km (0.082 R)
• M26: 14,794,481 km (0.107 R)
• M27: 14,864,493 km (0.057 R)
• M28: 15,216,796 km (0.057 R)
• M29: 15,287,556 km (0.056 R)
• M30: 16,289,862 km (0.106 R)
• M31: 16,362,267 km (0.099 R)
• M32: 17,832,665 km (0.072 R)
• M33: 17,981,963 km (0.032 R)
• M34: 18,131,860 km (0.093 R)
• M35: 18,508,099 km (0.108 R)
• M36: 18,583,646 km (0.052 R)
• M37: 19,115,466 km (0.113 R)
• M38: 19,729,416 km (0.117 R)
• M39: 20,427,739 km (0.108 R)
• M40: 21,055,302 km (0.102 R)
• M41: 22,975,690 km (0.108 R)
• M42: 23,301,215 km (0.057 R)
• M43: 24,452,370 km (0.093 R)
• M44: 24,535,248 km (0.056 R)
• M45: 24,701,451 km (0.052 R)
• M46: 26,044,092 km (0.084 R)
• M47: 26,638,893 km (0.081 R)
• M48: 26,809,584 km (0.116 R)
• M49: 30,211,739 km (0.12 R)
• M50: 30,568,231 km (0.114 R)
• M51: 31,465,668 km (0.116 R)
• M52: 33,470,429 km (0.056 R)
• M53: 33,654,734 km (0.04 R)
• M54: 34,209,592 km (0.109 R)
• M55: 34,581,193 km (0.071 R)
• M56: 35,609,978 km (0.093 R)
• M57: 36,459,245 km (0.098 R)
• M58: 37,601,874 km (0.049 R)
• M59: 38,563,040 km (0.083 R)
• M60: 38,949,750 km (0.098 R)
• M61: 39,434,896 km (0.109 R)
• M62: 39,922,137 km (0.034 R)
• M63: 41,001,036 km (0.09 R)
• M64: 41,593,594 km (0.117 R)
• M65: 43,388,170 km (0.111 R)
• M66: 47,776,174 km (0.112 R)
• M67: 47,983,667 km (0.086 R)
• M68: 48,295,578 km (0.077 R)
• M69: 48,399,698 km (0.036 R)
• M70: 48,503,818 km (0.097 R)
• M71: 48,816,777 km (0.111 R)
• M72: 50,814,358 km (0.101 R)
• M73: 53,375,473 km (0.033 R)
• M74: 55,106,171 km (0.063 R)
• M75: 57,075,028 km (0.064 R)
• M76: 57,736,401 km (0.058 R)
• M77: 63,004,490 km (0.113 R)
• M78: 63,118,334 km (0.119 R)
• M79: 63,574,009 km (0.118 R)
• M80: 66,446,587 km (0.031 R)
• M81: 70,420,654 km (0.108 R)
• M82: 70,656,870 km (0.088 R)
• M83: 71,011,566 km (0.106 R)
• M84: 71,130,048 km (0.072 R)
• M85: 71,248,379 km (0.085 R)
• M86: 72,198,326 km (0.101 R)
• M87: 72,436,486 km (0.057 R)
• M88: 74,711,720 km (0.074 R)
• M89: 75,314,450 km (0.043 R)
• M90: 78,351,735 km (0.061 R)
• M91: 78,596,477 km (0.093 R)
• M92: 79,577,839 km (0.039 R)
• M93: 80,933,944 km (0.205 R)
• M94: 82,670,925 km (0.116 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 18,524 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit