🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.9

Radius: 8.2

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.49 AU - 0.59 AU

Year: 265 Days

Day: 13.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 59,373,768 km

• M1: 102,624 km (0.052 R)
• M2: 153,787 km (0.097 R)
• M3: 222,751 km (0.05 R)
• M4: 275,709 km (0.108 R)
• M5: 328,218 km (0.03 R)
• M6: 387,458 km (0.039 R)
• M7: 456,124 km (0.1 R)
• M8: 508,184 km (0.059 R)
• M9: 587,770 km (0.12 R)
• M10: 660,026 km (0.116 R)
• M11: 729,439 km (0.098 R)
• M12: 817,552 km (0.084 R)
• M13: 872,904 km (0.095 R)
• M14: 939,624 km (0.068 R)
• M15: 1,008,290 km (0.1 R)
• M16: 1,082,341 km (0.077 R)
• M17: 1,187,657 km (0.104 R)
• M18: 1,269,936 km (0.107 R)
• M19: 1,396,945 km (0.08 R)
• M20: 1,448,107 km (0.099 R)
• M21: 1,573,022 km (0.088 R)
• M22: 1,655,450 km (0.099 R)
• M23: 1,722,470 km (0.074 R)
• M24: 1,777,671 km (0.109 R)
• M25: 1,837,810 km (0.099 R)
• M26: 1,907,373 km (0.057 R)
• M27: 2,031,240 km (0.112 R)
• M28: 2,125,935 km (0.03 R)
• M29: 2,235,890 km (0.102 R)
• M30: 2,291,690 km (0.097 R)
• M31: 2,381,000 km (0.109 R)
• M32: 2,447,421 km (0.098 R)
• M33: 2,509,803 km (0.117 R)
• M34: 2,611,680 km (0.04 R)
• M35: 2,774,442 km (0.112 R)
• M36: 2,849,540 km (0.06 R)
• M37: 2,930,473 km (0.045 R)
• M38: 3,001,980 km (0.111 R)
• M39: 3,141,406 km (0.037 R)
• M40: 3,193,615 km (0.117 R)
• M41: 3,282,925 km (0.114 R)
• M42: 3,389,289 km (0.081 R)
• M43: 3,561,626 km (0.05 R)
• M44: 3,654,377 km (0.116 R)
• M45: 3,736,955 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.6

Radius: 9.7

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.86 AU - 1.14 AU

Year: 667 Days

Day: 5.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,373,768 km

• M1: 130,150 km (0.115 R)
• M2: 199,115 km (0.079 R)
• M3: 315,801 km (0.06 R)
• M4: 485,595 km (0.093 R)
• M5: 582,983 km (0.041 R)
• M6: 702,512 km (0.073 R)
• M7: 855,251 km (0.041 R)
• M8: 972,087 km (0.095 R)
• M9: 1,162,226 km (0.109 R)
• M10: 1,269,039 km (0.115 R)
• M11: 1,355,058 km (0.097 R)
• M12: 1,798,615 km (0.098 R)
• M13: 1,885,083 km (0.118 R)
• M14: 2,011,792 km (0.108 R)
• M15: 2,118,605 km (0.093 R)
• M16: 2,409,124 km (0.054 R)
• M17: 2,553,037 km (0.105 R)
• M18: 2,900,254 km (0.057 R)
• M19: 2,982,982 km (0.114 R)
• M20: 3,073,039 km (0.058 R)
• M21: 3,190,175 km (0.11 R)
• M22: 3,315,538 km (0.099 R)
• M23: 3,429,082 km (0.081 R)
• M24: 3,591,546 km (0.112 R)
• M25: 3,756,552 km (0.104 R)
• M26: 4,037,198 km (0.117 R)
• M27: 4,223,297 km (0.094 R)
• M28: 4,346,566 km (0.043 R)
• M29: 4,530,123 km (0.057 R)
• M30: 4,618,984 km (0.054 R)
• M31: 4,761,102 km (0.082 R)
• M32: 5,273,774 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.7

Radius: 9.3

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.9 AU - 1.16 AU

Year: 697 Days

Day: 13.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 59,373,768 km

• M1: 120,725 km (0.106 R)
• M2: 186,997 km (0.1 R)
• M3: 306,376 km (0.117 R)
• M4: 472,580 km (0.117 R)
• M5: 541,544 km (0.094 R)
• M6: 654,939 km (0.032 R)
• M7: 983,756 km (0.105 R)
• M8: 1,169,706 km (0.035 R)
• M9: 1,267,244 km (0.093 R)
• M10: 1,435,990 km (0.09 R)
• M11: 1,576,313 km (0.051 R)
• M12: 1,878,500 km (0.118 R)
• M13: 2,111,275 km (0.081 R)
• M14: 2,231,252 km (0.1 R)
• M15: 2,296,178 km (0.111 R)
• M16: 2,570,839 km (0.117 R)
• M17: 2,656,110 km (0.042 R)
• M18: 2,838,470 km (0.117 R)
• M19: 2,926,882 km (0.096 R)
• M20: 3,007,067 km (0.056 R)
• M21: 3,079,023 km (0.085 R)
• M22: 3,142,602 km (0.113 R)
• M23: 3,280,083 km (0.057 R)
• M24: 3,438,357 km (0.074 R)
• M25: 3,618,324 km (0.063 R)
• M26: 3,685,344 km (0.032 R)
• M27: 3,762,536 km (0.101 R)
• M28: 3,938,164 km (0.087 R)
• M29: 4,126,508 km (0.03 R)
• M30: 4,186,646 km (0.099 R)
• M31: 4,368,707 km (0.117 R)
• M32: 4,543,138 km (0.052 R)
• M33: 4,646,809 km (0.116 R)
• M34: 4,730,434 km (0.07 R)
• M35: 4,803,887 km (0.087 R)
• M36: 4,899,031 km (0.116 R)
• M37: 5,069,573 km (0.113 R)
• M38: 5,209,596 km (0.083 R)
• M39: 5,340,046 km (0.104 R)
• M40: 5,537,664 km (0.062 R)
• M41: 5,737,826 km (0.115 R)
• M42: 5,804,996 km (0.062 R)
• M43: 6,387,231 km (0.09 R)
• M44: 6,562,111 km (0.086 R)
• M45: 6,691,214 km (0.107 R)
• M46: 6,750,305 km (0.115 R)
• M47: 6,916,358 km (0.082 R)
• M48: 7,264,921 km (0.108 R)
• M49: 7,325,658 km (0.109 R)
• M50: 7,386,395 km (0.105 R)
• M51: 7,484,082 km (0.072 R)
• M52: 7,619,169 km (0.116 R)
• M53: 7,779,837 km (0.076 R)
• M54: 7,879,320 km (0.12 R)
• M55: 8,041,783 km (0.057 R)
• M56: 8,319,287 km (0.12 R)
• M57: 8,471,877 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.5

Radius: 13.6

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.8 AU - 2.18 AU

Year: 1872 Days

Day: 14.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,373,768 km

• M1: 246,537 km (0.102 R)
• M2: 350,657 km (0.101 R)
• M3: 455,077 km (0.089 R)
• M4: 587,022 km (0.101 R)
• M5: 802,742 km (0.106 R)
• M6: 1,005,896 km (0.117 R)
• M7: 1,150,108 km (0.092 R)
• M8: 1,359,994 km (0.043 R)
• M9: 1,563,896 km (0.108 R)
• M10: 1,655,151 km (0.114 R)
• M11: 1,843,495 km (0.115 R)
• M12: 2,044,405 km (0.099 R)
• M13: 2,318,318 km (0.1 R)
• M14: 2,412,415 km (0.071 R)
• M15: 2,604,349 km (0.068 R)
• M16: 2,690,817 km (0.063 R)
• M17: 3,260,635 km (0.101 R)
• M18: 3,385,400 km (0.113 R)
• M19: 3,575,688 km (0.07 R)
• M20: 3,737,104 km (0.077 R)
• M21: 3,841,673 km (0.053 R)
• M22: 3,980,351 km (0.078 R)
• M23: 4,919,227 km (0.035 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.7

Radius: 8.4

Gravity: 12 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.39 AU - 3.41 AU

Year: 4181 Days

Day: 8 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 59,373,768 km

• M1: 211,083 km (0.105 R)
• M2: 333,753 km (0.082 R)
• M3: 415,284 km (0.088 R)
• M4: 494,421 km (0.029 R)
• M5: 716,723 km (0.072 R)
• M6: 1,038,060 km (0.076 R)
• M7: 1,236,726 km (0.067 R)
• M8: 1,573,620 km (0.083 R)
• M9: 1,637,947 km (0.102 R)
• M10: 1,870,123 km (0.052 R)
• M11: 2,166,476 km (0.05 R)
• M12: 2,238,433 km (0.1 R)
• M13: 2,366,339 km (0.089 R)
• M14: 2,459,090 km (0.062 R)
• M15: 2,822,912 km (0.106 R)
• M16: 2,901,750 km (0.118 R)
• M17: 3,265,422 km (0.108 R)
• M18: 3,969,579 km (0.079 R)
• M19: 4,080,282 km (0.107 R)
• M20: 4,418,822 km (0.078 R)
• M21: 4,602,977 km (0.105 R)
• M22: 4,884,071 km (0.112 R)
• M23: 5,098,595 km (0.115 R)
• M24: 5,170,850 km (0.114 R)
• M25: 5,365,028 km (0.083 R)
• M26: 5,611,267 km (0.096 R)
• M27: 5,685,766 km (0.117 R)
• M28: 5,810,830 km (0.051 R)
• M29: 6,738,038 km (0.048 R)
• M30: 7,272,850 km (0.099 R)
• M31: 7,517,891 km (0.077 R)
• M32: 7,738,099 km (0.094 R)
• M33: 7,821,276 km (0.111 R)
• M34: 7,876,777 km (0.086 R)
• M35: 8,554,156 km (0.09 R)
• M36: 8,812,811 km (0.103 R)
• M37: 9,161,972 km (0.081 R)
• M38: 9,308,728 km (0.113 R)
• M39: 9,813,770 km (0.09 R)
• M40: 9,963,966 km (0.088 R)
• M41: 10,054,473 km (0.075 R)
• M42: 10,572,381 km (0.089 R)
• M43: 10,788,250 km (0.099 R)
• M44: 11,412,971 km (0.105 R)
• M45: 12,081,524 km (0.116 R)
• M46: 12,436,819 km (0.109 R)
• M47: 12,664,657 km (0.099 R)
• M48: 13,290,125 km (0.105 R)
• M49: 13,723,809 km (0.077 R)
• M50: 13,959,277 km (0.061 R)
• M51: 14,811,236 km (0.066 R)
• M52: 15,820,573 km (0.11 R)
• M53: 17,067,920 km (0.113 R)
• M54: 17,140,176 km (0.102 R)
• M55: 17,393,894 km (0.071 R)
• M56: 17,685,161 km (0.098 R)
• M57: 17,868,119 km (0.112 R)
• M58: 18,346,683 km (0.094 R)
• M59: 18,531,885 km (0.096 R)
• M60: 18,717,835 km (0.116 R)
• M61: 19,997,645 km (0.098 R)
• M62: 20,226,530 km (0.095 R)
• M63: 20,341,271 km (0.12 R)
• M64: 20,571,353 km (0.113 R)
• M65: 20,879,524 km (0.119 R)
• M66: 21,266,833 km (0.078 R)
• M67: 21,695,730 km (0.098 R)
• M68: 21,852,359 km (0.097 R)
• M69: 23,519,777 km (0.104 R)
• M70: 24,613,038 km (0.076 R)
• M71: 25,104,318 km (0.044 R)
• M72: 25,598,888 km (0.091 R)
• M73: 26,555,567 km (0.113 R)
• M74: 27,185,823 km (0.098 R)
• M75: 27,778,529 km (0.093 R)
• M76: 27,948,622 km (0.083 R)
• M77: 28,119,164 km (0.104 R)
• M78: 28,204,584 km (0.12 R)
• M79: 28,418,360 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 654.3

Radius: 3.8

Gravity: 45.31 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.79 AU - 7.09 AU

Year: 12192 Days

Day: 19.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 59,373,768 km

• M1: 101,128 km (0.116 R)
• M2: 166,502 km (0.112 R)
• M3: 199,564 km (0.12 R)
• M4: 260,001 km (0.093 R)
• M5: 327,021 km (0.098 R)
• M6: 414,984 km (0.047 R)
• M7: 578,345 km (0.11 R)
• M8: 704,008 km (0.093 R)
• M9: 959,970 km (0.054 R)
• M10: 1,311,225 km (0.07 R)
• M11: 1,774,979 km (0.116 R)
• M12: 1,931,159 km (0.112 R)
• M13: 2,011,044 km (0.11 R)
• M14: 2,340,907 km (0.1 R)
• M15: 2,541,219 km (0.109 R)
• M16: 2,658,055 km (0.053 R)
• M17: 2,776,686 km (0.057 R)
• M18: 3,300,129 km (0.082 R)
• M19: 3,492,063 km (0.042 R)
• M20: 3,589,451 km (0.098 R)
• M21: 5,079,895 km (0.112 R)
• M22: 5,563,694 km (0.051 R)
• M23: 5,945,767 km (0.092 R)
• M24: 6,257,679 km (0.093 R)
• M25: 6,694,954 km (0.109 R)
• M26: 8,715,572 km (0.086 R)
• M27: 9,472,836 km (0.091 R)
• M28: 10,671,415 km (0.11 R)
• M29: 11,049,598 km (0.117 R)
• M30: 11,336,227 km (0.119 R)
• M31: 11,528,760 km (0.05 R)
• M32: 11,819,279 km (0.113 R)
• M33: 11,868,048 km (0.1 R)
• M34: 12,161,559 km (0.118 R)
• M35: 12,358,430 km (0.082 R)
• M36: 13,715,432 km (0.089 R)
• M37: 14,541,511 km (0.088 R)
• M38: 14,960,685 km (0.115 R)
• M39: 15,490,112 km (0.044 R)
• M40: 15,971,817 km (0.085 R)
• M41: 16,567,216 km (0.105 R)
• M42: 17,891,457 km (0.1 R)
• M43: 18,622,841 km (0.098 R)
• M44: 19,421,244 km (0.116 R)
• M45: 19,651,475 km (0.07 R)
• M46: 19,709,071 km (0.115 R)
• M47: 19,824,710 km (0.116 R)
• M48: 20,405,748 km (0.065 R)
• M49: 20,639,719 km (0.073 R)
• M50: 20,757,153 km (0.066 R)
• M51: 20,815,796 km (0.117 R)
• M52: 21,287,927 km (0.089 R)
• M53: 21,942,567 km (0.111 R)
• M54: 22,543,502 km (0.091 R)
• M55: 22,664,377 km (0.08 R)
• M56: 23,089,085 km (0.11 R)
• M57: 23,516,336 km (0.094 R)
• M58: 24,564,718 km (0.044 R)
• M59: 25,000,946 km (0.084 R)
• M60: 25,502,398 km (0.102 R)
• M61: 27,026,950 km (0.074 R)
• M62: 27,348,286 km (0.093 R)
• M63: 27,735,595 km (0.08 R)
• M64: 27,864,997 km (0.083 R)
• M65: 28,384,999 km (0.08 R)
• M66: 28,777,095 km (0.08 R)
• M67: 28,908,143 km (0.064 R)
• M68: 29,698,768 km (0.113 R)
• M69: 30,697,184 km (0.064 R)
• M70: 30,898,094 km (0.05 R)
• M71: 32,658,262 km (0.11 R)
• M72: 33,000,393 km (0.079 R)
• M73: 33,068,909 km (0.062 R)
• M74: 33,619,279 km (0.052 R)
• M75: 36,062,512 km (0.117 R)
• M76: 36,842,066 km (0.117 R)
• M77: 37,555,498 km (0.099 R)
• M78: 39,796,325 km (0.111 R)
• M79: 39,869,329 km (0.092 R)
• M80: 40,381,552 km (0.107 R)
• M81: 41,117,124 km (0.039 R)
• M82: 41,931,386 km (0.063 R)
• M83: 42,825,682 km (0.064 R)
• M84: 43,801,509 km (0.076 R)
• M85: 44,178,944 km (0.088 R)
• M86: 44,405,734 km (0.096 R)
• M87: 44,708,969 km (0.058 R)
• M88: 46,465,248 km (0.096 R)
• M89: 47,081,442 km (0.092 R)
• M90: 47,390,511 km (0.101 R)
• M91: 48,711,610 km (0.061 R)
• M92: 49,102,509 km (0.095 R)
• M93: 51,549,033 km (0.041 R)
• M94: 52,506,758 km (0.117 R)
• M95: 52,666,978 km (0.114 R)
• M96: 53,873,484 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 656.5

Radius: 3.6

Gravity: 50.66 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 7.15 AU - 8.13 AU

Year: 14082 Days

Day: 20.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 59,373,768 km

• M1: 143,016 km (0.056 R)
• M2: 200,162 km (0.085 R)
• M3: 384,317 km (0.116 R)
• M4: 433,235 km (0.08 R)
• M5: 611,107 km (0.115 R)
• M6: 668,702 km (0.112 R)
• M7: 1,190,949 km (0.072 R)
• M8: 1,312,422 km (0.069 R)
• M9: 1,593,517 km (0.067 R)
• M10: 1,727,407 km (0.076 R)
• M11: 2,419,147 km (0.086 R)
• M12: 2,541,967 km (0.102 R)
• M13: 2,793,591 km (0.117 R)
• M14: 3,985,138 km (0.108 R)
• M15: 4,093,746 km (0.092 R)
• M16: 4,388,154 km (0.089 R)
• M17: 5,036,063 km (0.047 R)
• M18: 5,271,979 km (0.101 R)
• M19: 5,795,122 km (0.077 R)
• M20: 5,835,963 km (0.051 R)
• M21: 5,918,092 km (0.096 R)
• M22: 6,503,767 km (0.077 R)
• M23: 6,933,413 km (0.118 R)
• M24: 7,774,601 km (0.115 R)
• M25: 8,046,869 km (0.068 R)
• M26: 8,138,274 km (0.039 R)
• M27: 8,184,051 km (0.095 R)
• M28: 8,368,355 km (0.057 R)
• M29: 8,976,770 km (0.114 R)
• M30: 9,166,759 km (0.098 R)
• M31: 9,214,481 km (0.102 R)
• M32: 9,262,352 km (0.057 R)
• M33: 9,989,099 km (0.071 R)
• M34: 11,087,895 km (0.076 R)
• M35: 11,240,784 km (0.088 R)
• M36: 11,548,357 km (0.089 R)
• M37: 11,755,101 km (0.039 R)
• M38: 12,435,024 km (0.078 R)
• M39: 12,487,832 km (0.116 R)
• M40: 12,540,790 km (0.111 R)
• M41: 13,669,057 km (0.064 R)
• M42: 13,778,263 km (0.096 R)
• M43: 14,328,185 km (0.108 R)
• M44: 14,383,686 km (0.111 R)
• M45: 15,620,262 km (0.095 R)
• M46: 15,677,258 km (0.089 R)
• M47: 16,020,885 km (0.11 R)
• M48: 17,066,424 km (0.074 R)
• M49: 17,597,347 km (0.065 R)
• M50: 17,656,737 km (0.073 R)
• M51: 18,615,061 km (0.112 R)
• M52: 18,796,673 km (0.118 R)
• M53: 19,039,620 km (0.045 R)
• M54: 20,456,910 km (0.034 R)
• M55: 21,653,095 km (0.08 R)
• M56: 24,840,876 km (0.1 R)
• M57: 25,174,330 km (0.068 R)
• M58: 27,068,837 km (0.066 R)
• M59: 28,380,062 km (0.112 R)
• M60: 28,658,913 km (0.117 R)
• M61: 29,359,629 km (0.064 R)
• M62: 31,279,568 km (0.064 R)
• M63: 31,783,863 km (0.074 R)
• M64: 32,873,683 km (0.056 R)
• M65: 33,680,614 km (0.069 R)
• M66: 34,642,678 km (0.052 R)
• M67: 35,164,475 km (0.048 R)
• M68: 35,463,821 km (0.097 R)
• M69: 35,538,769 km (0.117 R)
• M70: 36,291,247 km (0.071 R)
• M71: 36,593,734 km (0.081 R)
• M72: 36,745,276 km (0.093 R)
• M73: 37,125,105 km (0.074 R)
• M74: 37,353,541 km (0.107 R)
• M75: 37,888,503 km (0.118 R)
• M76: 39,198,232 km (0.085 R)
• M77: 39,664,080 km (0.061 R)
• M78: 39,897,752 km (0.059 R)
• M79: 40,679,551 km (0.089 R)
• M80: 41,941,109 km (0.058 R)
• M81: 43,055,614 km (0.083 R)
• M82: 43,777,124 km (0.057 R)
• M83: 44,745,322 km (0.028 R)
• M84: 47,031,775 km (0.088 R)
• M85: 51,123,427 km (0.037 R)
• M86: 51,292,921 km (0.034 R)
• M87: 51,972,395 km (0.077 R)
• M88: 52,484,019 km (0.065 R)
• M89: 52,911,570 km (0.107 R)
• M90: 53,426,336 km (0.069 R)
• M91: 53,598,224 km (0.085 R)
• M92: 54,806,826 km (0.119 R)
• M93: 57,075,028 km (0.059 R)
• M94: 57,779,186 km (0.054 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 17,761 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit