🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.5 AU - 0.66 AU

Year: 290 Days

Day: 36.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 20.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.59 AU - 0.63 AU

Year: 313 Days

Day: 24 Hours

Environment

Temp: -134 °C

Axial Tilt: 104.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155.4

Radius: 10.5

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.8 AU - 0.88 AU

Year: 505 Days

Day: 7.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 37,247,894 km

• M1: 135,685 km (0.05 R)
• M2: 219,610 km (0.055 R)
• M3: 285,134 km (0.067 R)
• M4: 352,752 km (0.112 R)
• M5: 448,046 km (0.034 R)
• M6: 518,506 km (0.093 R)
• M7: 607,816 km (0.103 R)
• M8: 687,701 km (0.098 R)
• M9: 826,678 km (0.118 R)
• M10: 920,326 km (0.098 R)
• M11: 989,590 km (0.091 R)
• M12: 1,060,799 km (0.111 R)
• M13: 1,163,572 km (0.095 R)
• M14: 1,265,897 km (0.085 R)
• M15: 1,411,456 km (0.105 R)
• M16: 1,496,577 km (0.086 R)
• M17: 1,625,530 km (0.036 R)
• M18: 1,793,230 km (0.077 R)
• M19: 1,881,492 km (0.11 R)
• M20: 1,966,763 km (0.073 R)
• M21: 2,039,617 km (0.061 R)
• M22: 2,207,017 km (0.118 R)
• M23: 2,282,864 km (0.101 R)
• M24: 2,650,126 km (0.061 R)
• M25: 2,720,886 km (0.073 R)
• M26: 2,802,417 km (0.058 R)
• M27: 2,874,523 km (0.103 R)
• M28: 3,052,245 km (0.086 R)
• M29: 3,169,081 km (0.109 R)
• M30: 3,244,329 km (0.1 R)
• M31: 3,325,561 km (0.099 R)
• M32: 3,501,189 km (0.039 R)
• M33: 3,612,489 km (0.117 R)
• M34: 3,736,506 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856

Radius: 11

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.52 AU - 2.24 AU

Year: 1691 Days

Day: 14.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 37,247,894 km

• M1: 139,425 km (0.099 R)
• M2: 222,153 km (0.113 R)
• M3: 390,151 km (0.092 R)
• M4: 624,272 km (0.089 R)
• M5: 715,527 km (0.03 R)
• M6: 820,245 km (0.118 R)
• M7: 913,145 km (0.12 R)
• M8: 991,983 km (0.096 R)
• M9: 1,064,239 km (0.058 R)
• M10: 1,302,249 km (0.102 R)
• M11: 1,392,307 km (0.113 R)
• M12: 1,568,234 km (0.081 R)
• M13: 1,664,576 km (0.045 R)
• M14: 2,116,660 km (0.082 R)
• M15: 2,271,943 km (0.055 R)
• M16: 2,344,797 km (0.112 R)
• M17: 2,760,081 km (0.119 R)
• M18: 2,903,844 km (0.115 R)
• M19: 3,063,465 km (0.113 R)
• M20: 3,185,088 km (0.08 R)
• M21: 3,391,533 km (0.069 R)
• M22: 3,461,246 km (0.041 R)
• M23: 3,559,831 km (0.104 R)
• M24: 3,659,314 km (0.091 R)
• M25: 4,140,869 km (0.113 R)
• M26: 4,320,985 km (0.105 R)
• M27: 4,580,836 km (0.113 R)
• M28: 4,689,295 km (0.061 R)
• M29: 5,620,542 km (0.079 R)
• M30: 5,736,779 km (0.071 R)
• M31: 6,022,511 km (0.104 R)
• M32: 6,227,011 km (0.051 R)
• M33: 6,347,438 km (0.066 R)
• M34: 6,451,259 km (0.097 R)
• M35: 6,713,204 km (0.06 R)
• M36: 6,872,077 km (0.058 R)
• M37: 7,538,386 km (0.078 R)
• M38: 7,648,490 km (0.114 R)
• M39: 8,056,444 km (0.102 R)
• M40: 8,225,489 km (0.041 R)
• M41: 9,087,921 km (0.107 R)
• M42: 9,362,134 km (0.081 R)
• M43: 9,838,454 km (0.09 R)
• M44: 9,918,638 km (0.064 R)
• M45: 10,282,161 km (0.097 R)
• M46: 10,629,527 km (0.047 R)
• M47: 10,918,550 km (0.05 R)
• M48: 11,126,491 km (0.079 R)
• M49: 11,504,226 km (0.12 R)
• M50: 11,673,421 km (0.113 R)
• M51: 11,843,514 km (0.111 R)
• M52: 11,950,327 km (0.12 R)
• M53: 12,250,719 km (0.086 R)
• M54: 12,380,421 km (0.118 R)
• M55: 13,211,437 km (0.057 R)
• M56: 13,344,429 km (0.113 R)
• M57: 13,790,530 km (0.112 R)
• M58: 13,992,936 km (0.1 R)
• M59: 14,560,361 km (0.093 R)
• M60: 14,720,580 km (0.029 R)
• M61: 15,042,664 km (0.11 R)
• M62: 15,437,154 km (0.046 R)
• M63: 15,577,177 km (0.119 R)
• M64: 15,787,961 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.5

Radius: 11.5

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.53 AU - 2.97 AU

Year: 2992 Days

Day: 5.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 37,247,894 km

• M1: 255,364 km (0.104 R)
• M2: 359,783 km (0.079 R)
• M3: 683,662 km (0.098 R)
• M4: 839,693 km (0.117 R)
• M5: 918,531 km (0.098 R)
• M6: 1,008,439 km (0.037 R)
• M7: 1,672,055 km (0.082 R)
• M8: 1,898,696 km (0.087 R)
• M9: 1,994,289 km (0.111 R)
• M10: 2,091,677 km (0.062 R)
• M11: 2,168,571 km (0.105 R)
• M12: 3,088,747 km (0.102 R)
• M13: 3,278,437 km (0.116 R)
• M14: 3,563,870 km (0.105 R)
• M15: 4,075,794 km (0.114 R)
• M16: 4,453,678 km (0.113 R)
• M17: 4,596,544 km (0.101 R)
• M18: 5,034,417 km (0.109 R)
• M19: 5,198,376 km (0.077 R)
• M20: 5,654,650 km (0.059 R)
• M21: 5,793,926 km (0.077 R)
• M22: 5,950,255 km (0.109 R)
• M23: 6,060,509 km (0.113 R)
• M24: 6,379,152 km (0.12 R)
• M25: 6,605,494 km (0.06 R)
• M26: 7,016,290 km (0.116 R)
• M27: 7,690,976 km (0.1 R)
• M28: 7,897,421 km (0.072 R)
• M29: 8,105,811 km (0.054 R)
• M30: 8,527,976 km (0.103 R)
• M31: 8,634,639 km (0.108 R)
• M32: 10,572,231 km (0.093 R)
• M33: 11,033,441 km (0.119 R)
• M34: 11,481,637 km (0.106 R)
• M35: 11,796,839 km (0.116 R)
• M36: 12,154,977 km (0.057 R)
• M37: 12,295,299 km (0.114 R)
• M38: 12,902,517 km (0.079 R)
• M39: 13,148,157 km (0.116 R)
• M40: 13,727,250 km (0.095 R)
• M41: 13,831,670 km (0.118 R)
• M42: 13,936,238 km (0.094 R)
• M43: 14,167,218 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855

Radius: 6.4

Gravity: 20.87 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.67 AU - 6.81 AU

Year: 10226 Days

Day: 24.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 37,247,894 km

• M1: 110,254 km (0.103 R)
• M2: 311,612 km (0.12 R)
• M3: 365,019 km (0.119 R)
• M4: 1,468,303 km (0.075 R)
• M5: 1,659,639 km (0.048 R)
• M6: 1,708,856 km (0.091 R)
• M7: 1,859,053 km (0.089 R)
• M8: 1,987,707 km (0.076 R)
• M9: 2,145,981 km (0.037 R)
• M10: 2,446,823 km (0.098 R)
• M11: 2,819,321 km (0.107 R)
• M12: 3,148,586 km (0.115 R)
• M13: 3,974,367 km (0.084 R)
• M14: 4,073,849 km (0.096 R)
• M15: 4,207,739 km (0.042 R)
• M16: 4,652,793 km (0.111 R)
• M17: 4,757,661 km (0.073 R)
• M18: 4,969,791 km (0.045 R)
• M19: 5,257,318 km (0.087 R)
• M20: 5,439,827 km (0.093 R)
• M21: 5,661,681 km (0.093 R)
• M22: 5,924,225 km (0.073 R)
• M23: 6,075,918 km (0.119 R)
• M24: 6,735,495 km (0.106 R)
• M25: 7,214,507 km (0.113 R)
• M26: 8,205,443 km (0.095 R)
• M27: 8,545,180 km (0.104 R)
• M28: 8,716,769 km (0.043 R)
• M29: 9,107,070 km (0.086 R)
• M30: 10,084,841 km (0.12 R)
• M31: 11,282,971 km (0.112 R)
• M32: 11,471,165 km (0.111 R)
• M33: 12,186,542 km (0.064 R)
• M34: 12,234,712 km (0.057 R)
• M35: 13,162,668 km (0.114 R)
• M36: 13,911,106 km (0.096 R)
• M37: 14,315,918 km (0.117 R)
• M38: 14,570,833 km (0.118 R)
• M39: 15,137,061 km (0.119 R)
• M40: 15,973,462 km (0.047 R)
• M41: 16,026,270 km (0.101 R)
• M42: 16,932,235 km (0.092 R)
• M43: 17,418,727 km (0.093 R)
• M44: 17,909,558 km (0.089 R)
• M45: 18,239,421 km (0.116 R)
• M46: 18,849,332 km (0.046 R)
• M47: 19,409,725 km (0.109 R)
• M48: 20,489,224 km (0.072 R)
• M49: 21,065,175 km (0.108 R)
• M50: 21,180,964 km (0.109 R)
• M51: 21,529,826 km (0.059 R)
• M52: 21,997,768 km (0.08 R)
• M53: 23,122,595 km (0.113 R)
• M54: 23,541,768 km (0.116 R)
• M55: 24,448,331 km (0.058 R)
• M56: 24,570,104 km (0.094 R)
• M57: 24,631,140 km (0.114 R)
• M58: 27,741,878 km (0.101 R)
• M59: 27,932,466 km (0.118 R)
• M60: 30,580,049 km (0.089 R)
• M61: 30,711,246 km (0.1 R)
• M62: 31,171,858 km (0.051 R)
• M63: 31,237,831 km (0.029 R)
• M64: 31,966,821 km (0.119 R)
• M65: 33,306,470 km (0.096 R)
• M66: 33,644,262 km (0.083 R)
• M67: 34,938,134 km (0.053 R)
• M68: 35,625,686 km (0.111 R)
• M69: 36,526,115 km (0.09 R)
• M70: 37,574,348 km (0.071 R)
• M71: 38,278,804 km (0.098 R)
• M72: 40,633,774 km (0.104 R)
• M73: 40,922,498 km (0.118 R)
• M74: 41,139,414 km (0.102 R)
• M75: 41,211,820 km (0.105 R)
• M76: 41,574,445 km (0.119 R)
• M77: 41,647,000 km (0.112 R)
• M78: 41,938,117 km (0.088 R)
• M79: 42,156,830 km (0.11 R)
• M80: 43,624,534 km (0.09 R)
• M81: 45,632,287 km (0.044 R)
• M82: 45,932,381 km (0.119 R)
• M83: 46,383,568 km (0.056 R)
• M84: 47,670,109 km (0.1 R)
• M85: 47,898,396 km (0.112 R)
• M86: 48,050,836 km (0.115 R)
• M87: 49,198,701 km (0.067 R)
• M88: 49,275,594 km (0.068 R)
• M89: 51,443,417 km (0.098 R)
• M90: 51,521,507 km (0.107 R)
• M91: 51,599,447 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 993

Radius: 5.1

Gravity: 38.18 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 9.07 AU - 11.23 AU

Year: 21213 Days

Day: 21.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 37,247,894 km

• M1: 127,457 km (0.113 R)
• M2: 946,356 km (0.1 R)
• M3: 1,004,550 km (0.106 R)
• M4: 1,064,090 km (0.098 R)
• M5: 1,378,844 km (0.109 R)
• M6: 1,685,519 km (0.078 R)
• M7: 1,792,482 km (0.111 R)
• M8: 3,691,178 km (0.034 R)
• M9: 4,453,529 km (0.052 R)
• M10: 5,737,677 km (0.051 R)
• M11: 6,281,315 km (0.089 R)
• M12: 8,614,893 km (0.099 R)
• M13: 9,615,403 km (0.105 R)
• M14: 9,871,215 km (0.042 R)
• M15: 10,324,347 km (0.113 R)
• M16: 10,718,089 km (0.086 R)
• M17: 11,050,047 km (0.105 R)
• M18: 11,655,918 km (0.111 R)
• M19: 13,040,596 km (0.106 R)
• M20: 13,111,206 km (0.119 R)
• M21: 14,040,508 km (0.115 R)
• M22: 14,185,319 km (0.088 R)
• M23: 14,476,436 km (0.08 R)
• M24: 14,549,590 km (0.109 R)
• M25: 15,735,751 km (0.112 R)
• M26: 16,492,866 km (0.087 R)
• M27: 17,728,544 km (0.101 R)
• M28: 19,234,247 km (0.115 R)
• M29: 19,314,731 km (0.072 R)
• M30: 19,637,264 km (0.061 R)
• M31: 20,451,675 km (0.083 R)
• M32: 21,693,786 km (0.067 R)
• M33: 22,366,228 km (0.093 R)
• M34: 22,705,067 km (0.06 R)
• M35: 23,387,682 km (0.115 R)
• M36: 24,337,330 km (0.095 R)
• M37: 24,424,246 km (0.111 R)
• M38: 25,211,430 km (0.096 R)
• M39: 26,452,494 km (0.113 R)
• M40: 27,080,356 km (0.102 R)
• M41: 27,985,872 km (0.11 R)
• M42: 29,177,868 km (0.088 R)
• M43: 29,919,724 km (0.076 R)
• M44: 31,327,141 km (0.054 R)
• M45: 31,706,072 km (0.057 R)
• M46: 32,277,386 km (0.097 R)
• M47: 33,526,678 km (0.043 R)
• M48: 34,596,153 km (0.089 R)
• M49: 35,380,944 km (0.079 R)
• M50: 36,668,832 km (0.088 R)
• M51: 36,968,177 km (0.048 R)
• M52: 37,669,791 km (0.049 R)
• M53: 37,871,150 km (0.097 R)
• M54: 40,520,079 km (0.12 R)
• M55: 42,598,143 km (0.046 R)
• M56: 43,544,499 km (0.045 R)
• M57: 44,497,737 km (0.103 R)
• M58: 45,350,894 km (0.075 R)
• M59: 46,317,146 km (0.118 R)
• M60: 46,532,717 km (0.117 R)
• M61: 46,640,727 km (0.059 R)
• M62: 46,856,895 km (0.104 R)
• M63: 47,290,131 km (0.117 R)
• M64: 55,426,759 km (0.115 R)
• M65: 56,459,433 km (0.047 R)
• M66: 56,574,624 km (0.038 R)
• M67: 57,614,329 km (0.114 R)
• M68: 58,893,690 km (0.107 R)
• M69: 60,182,326 km (0.092 R)
• M70: 60,299,910 km (0.039 R)
• M71: 61,717,200 km (0.061 R)
• M72: 63,384,468 km (0.112 R)
• M73: 65,187,272 km (0.111 R)
• M74: 65,429,022 km (0.089 R)
• M75: 66,034,445 km (0.117 R)
• M76: 67,984,154 km (0.108 R)
• M77: 70,447,881 km (0.043 R)
• M78: 72,314,863 km (0.116 R)
• M79: 73,191,656 km (0.12 R)
• M80: 76,097,146 km (0.064 R)
• M81: 77,756,036 km (0.092 R)
• M82: 78,782,876 km (0.097 R)
• M83: 81,109,422 km (0.095 R)
• M84: 81,499,424 km (0.071 R)
• M85: 81,629,425 km (0.081 R)
• M86: 83,196,313 km (0.11 R)
• M87: 84,509,632 km (0.1 R)
• M88: 85,697,439 km (0.107 R)
• M89: 89,293,922 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 70.8

Radius: 5.1

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 9.21 AU - 11.15 AU

Year: 21307 Days

Day: 16.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 37,247,894 km

• M1: 76,594 km (0.102 R)
• M2: 176,525 km (0.113 R)
• M3: 296,503 km (0.098 R)
• M4: 1,726,509 km (0.095 R)
• M5: 1,887,327 km (0.073 R)
• M6: 2,646,835 km (0.043 R)
• M7: 3,094,582 km (0.051 R)
• M8: 3,616,379 km (0.077 R)
• M9: 3,979,154 km (0.102 R)
• M10: 4,058,441 km (0.114 R)
• M11: 4,111,697 km (0.055 R)
• M12: 4,299,443 km (0.116 R)
• M13: 5,078,698 km (0.1 R)
• M14: 5,280,206 km (0.112 R)
• M15: 6,357,610 km (0.026 R)
• M16: 7,370,388 km (0.104 R)
• M17: 8,128,700 km (0.08 R)
• M18: 8,330,657 km (0.105 R)
• M19: 10,842,255 km (0.086 R)
• M20: 11,064,558 km (0.083 R)
• M21: 11,363,155 km (0.111 R)
• M22: 11,400,704 km (0.092 R)
• M23: 11,438,253 km (0.116 R)
• M24: 11,778,140 km (0.091 R)
• M25: 12,778,650 km (0.048 R)
• M26: 13,013,369 km (0.087 R)
• M27: 13,726,203 km (0.103 R)
• M28: 14,289,289 km (0.07 R)
• M29: 16,915,031 km (0.119 R)
• M30: 17,043,685 km (0.05 R)
• M31: 17,129,704 km (0.106 R)
• M32: 17,431,742 km (0.116 R)
• M33: 20,364,908 km (0.095 R)
• M34: 22,027,838 km (0.115 R)
• M35: 22,215,284 km (0.092 R)
• M36: 24,360,517 km (0.091 R)
• M37: 25,187,943 km (0.095 R)
• M38: 25,334,848 km (0.116 R)
• M39: 25,777,508 km (0.055 R)
• M40: 28,028,807 km (0.112 R)
• M41: 33,789,970 km (0.06 R)
• M42: 34,385,519 km (0.103 R)
• M43: 35,532,337 km (0.064 R)
• M44: 36,414,366 km (0.103 R)
• M45: 37,025,024 km (0.118 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 414 - 16,127 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit