🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.2

Radius: 10.1

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.54 AU - 0.72 AU

Year: 339 Days

Day: 8.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,395,755 km

• M1: 125,961 km (0.114 R)
• M2: 446,101 km (0.083 R)
• M3: 915,389 km (0.119 R)
• M4: 1,264,551 km (0.044 R)
• M5: 1,649,466 km (0.071 R)
• M6: 2,614,672 km (0.086 R)
• M7: 3,047,309 km (0.082 R)
• M8: 4,171,836 km (0.112 R)
• M9: 4,625,566 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.5

Radius: 10

Gravity: 9.71 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.15 AU - 3.37 AU

Year: 3110 Days

Day: 14.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,395,755 km

• M1: 124,316 km (0.07 R)
• M2: 481,556 km (0.113 R)
• M3: 801,545 km (0.078 R)
• M4: 1,151,604 km (0.111 R)
• M5: 1,571,675 km (0.084 R)
• M6: 2,548,998 km (0.111 R)
• M7: 3,070,496 km (0.11 R)
• M8: 3,502,385 km (0.118 R)
• M9: 4,327,717 km (0.118 R)
• M10: 4,725,946 km (0.028 R)
• M11: 6,098,357 km (0.054 R)
• M12: 6,600,108 km (0.095 R)
• M13: 7,129,087 km (0.058 R)
• M14: 8,924,560 km (0.057 R)
• M15: 10,250,297 km (0.071 R)
• M16: 10,875,167 km (0.116 R)
• M17: 11,927,588 km (0.053 R)
• M18: 13,830,473 km (0.111 R)
• M19: 14,234,088 km (0.096 R)
• M20: 15,277,533 km (0.096 R)
• M21: 15,654,520 km (0.084 R)
• M22: 17,457,772 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895.3

Radius: 14.4

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.18 AU - 4.54 AU

Year: 6175 Days

Day: 8.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,395,755 km

• M1: 179,218 km (0.08 R)
• M2: 633,248 km (0.12 R)
• M3: 1,453,643 km (0.06 R)
• M4: 2,126,235 km (0.066 R)
• M5: 4,822,287 km (0.117 R)
• M6: 5,841,946 km (0.117 R)
• M7: 6,785,909 km (0.113 R)
• M8: 8,513,316 km (0.113 R)
• M9: 10,187,316 km (0.029 R)
• M10: 13,263,796 km (0.106 R)
• M11: 17,178,772 km (0.059 R)
• M12: 21,649,804 km (0.092 R)
• M13: 23,407,130 km (0.101 R)
• M14: 28,400,408 km (0.11 R)
• M15: 30,700,475 km (0.1 R)
• M16: 31,394,160 km (0.097 R)
• M17: 32,403,198 km (0.065 R)
• M18: 35,560,162 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 895.8

Radius: 5.6

Gravity: 28.57 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.78 AU - 6.72 AU

Year: 9352 Days

Day: 21.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 80,395,755 km

• M1: 69,713 km (0.079 R)
• M2: 306,975 km (0.102 R)
• M3: 753,076 km (0.085 R)
• M4: 2,483,773 km (0.086 R)
• M5: 2,860,012 km (0.093 R)
• M6: 3,201,694 km (0.12 R)
• M7: 4,510,525 km (0.089 R)
• M8: 4,784,888 km (0.067 R)
• M9: 5,333,314 km (0.107 R)
• M10: 5,571,025 km (0.108 R)
• M11: 6,593,227 km (0.098 R)
• M12: 8,172,831 km (0.106 R)
• M13: 10,936,053 km (0.114 R)
• M14: 12,115,483 km (0.045 R)
• M15: 13,753,280 km (0.118 R)
• M16: 16,229,574 km (0.077 R)
• M17: 17,910,007 km (0.118 R)
• M18: 19,303,660 km (0.101 R)
• M19: 19,783,720 km (0.047 R)
• M20: 21,272,069 km (0.056 R)
• M21: 22,304,743 km (0.097 R)
• M22: 23,460,686 km (0.058 R)
• M23: 29,211,976 km (0.115 R)
• M24: 30,919,486 km (0.04 R)
• M25: 35,716,342 km (0.043 R)
• M26: 36,561,271 km (0.116 R)
• M27: 38,165,409 km (0.08 R)
• M28: 39,816,072 km (0.12 R)
• M29: 41,912,237 km (0.103 R)
• M30: 42,987,247 km (0.106 R)
• M31: 44,495,493 km (0.073 R)
• M32: 47,471,892 km (0.097 R)
• M33: 48,934,959 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 825.8

Radius: 4.5

Gravity: 40.78 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.93 AU - 7.61 AU

Year: 10649 Days

Day: 19.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,395,755 km

• M1: 69,862 km (0.116 R)
• M2: 246,238 km (0.08 R)
• M3: 1,505,104 km (0.081 R)
• M4: 2,276,281 km (0.074 R)
• M5: 2,535,385 km (0.102 R)
• M6: 5,228,595 km (0.095 R)
• M7: 5,896,250 km (0.073 R)
• M8: 6,698,693 km (0.1 R)
• M9: 8,285,179 km (0.06 R)
• M10: 12,659,869 km (0.106 R)
• M11: 16,545,076 km (0.029 R)
• M12: 16,765,284 km (0.039 R)
• M13: 22,474,986 km (0.069 R)
• M14: 23,661,147 km (0.068 R)
• M15: 24,601,370 km (0.1 R)
• M16: 27,060,759 km (0.095 R)
• M17: 27,881,154 km (0.065 R)
• M18: 30,222,360 km (0.108 R)
• M19: 31,891,723 km (0.112 R)
• M20: 40,233,899 km (0.106 R)
• M21: 42,251,375 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 505.6

Radius: 4.8

Gravity: 21.94 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.45 AU - 9.15 AU

Year: 14775 Days

Day: 18.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 80,395,755 km

• M1: 59,690 km (0.086 R)
• M2: 311,912 km (0.05 R)
• M3: 469,588 km (0.111 R)
• M4: 742,753 km (0.095 R)
• M5: 1,104,331 km (0.09 R)
• M6: 1,471,744 km (0.034 R)
• M7: 1,797,568 km (0.119 R)
• M8: 1,986,660 km (0.079 R)
• M9: 2,151,217 km (0.047 R)
• M10: 3,019,932 km (0.106 R)
• M11: 4,338,637 km (0.099 R)
• M12: 5,382,382 km (0.105 R)
• M13: 6,037,920 km (0.11 R)
• M14: 10,346,488 km (0.055 R)
• M15: 10,620,551 km (0.095 R)
• M16: 10,843,153 km (0.07 R)
• M17: 11,355,675 km (0.087 R)
• M18: 11,530,106 km (0.103 R)
• M19: 11,884,204 km (0.07 R)
• M20: 13,244,947 km (0.097 R)
• M21: 13,438,227 km (0.103 R)
• M22: 14,500,970 km (0.102 R)
• M23: 32,389,435 km (0.084 R)
• M24: 37,536,948 km (0.091 R)
• M25: 38,053,809 km (0.084 R)
• M26: 38,575,457 km (0.101 R)
• M27: 39,766,555 km (0.118 R)
• M28: 40,982,037 km (0.106 R)
• M29: 41,392,684 km (0.103 R)
• M30: 43,771,290 km (0.093 R)
• M31: 53,055,334 km (0.044 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 576.9

Radius: 5.2

Gravity: 21.34 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 8.09 AU - 8.85 AU

Year: 16719 Days

Day: 18.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 80,395,755 km

• M1: 82,129 km (0.094 R)
• M2: 267,032 km (0.084 R)
• M3: 671,545 km (0.084 R)
• M4: 978,669 km (0.12 R)
• M5: 1,277,117 km (0.044 R)
• M6: 1,508,395 km (0.114 R)
• M7: 1,683,425 km (0.05 R)
• M8: 2,191,310 km (0.112 R)
• M9: 2,353,922 km (0.114 R)
• M10: 2,938,701 km (0.108 R)
• M11: 3,136,768 km (0.027 R)
• M12: 3,317,482 km (0.107 R)
• M13: 4,487,188 km (0.106 R)
• M14: 4,784,140 km (0.089 R)
• M15: 5,308,032 km (0.106 R)
• M16: 5,565,190 km (0.091 R)
• M17: 6,720,535 km (0.071 R)
• M18: 6,934,759 km (0.11 R)
• M19: 10,490,251 km (0.113 R)
• M20: 11,371,682 km (0.048 R)
• M21: 11,553,743 km (0.09 R)
• M22: 12,238,003 km (0.069 R)
• M23: 16,841,728 km (0.115 R)
• M24: 21,541,345 km (0.072 R)
• M25: 22,575,815 km (0.092 R)
• M26: 22,767,450 km (0.111 R)
• M27: 29,032,758 km (0.1 R)
• M28: 30,878,796 km (0.071 R)
• M29: 33,418,519 km (0.083 R)
• M30: 35,963,478 km (0.112 R)
• M31: 36,751,559 km (0.107 R)
• M32: 40,581,564 km (0.111 R)
• M33: 41,292,303 km (0.079 R)
• M34: 42,301,341 km (0.113 R)
• M35: 44,971,214 km (0.091 R)
• M36: 48,543,611 km (0.05 R)
• M37: 49,667,241 km (0.078 R)
• M38: 51,137,190 km (0.076 R)
• M39: 58,382,065 km (0.039 R)
• M40: 59,287,581 km (0.063 R)
• M41: 59,835,408 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.5

Radius: 6.8

Gravity: 18.89 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 9.94 AU - 10 AU

Year: 21352 Days

Day: 17.5 Hours

Environment

Temp: -245 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,395,755 km

• M1: 84,523 km (0.108 R)
• M2: 411,394 km (0.084 R)
• M3: 964,457 km (0.046 R)
• M4: 1,397,843 km (0.12 R)
• M5: 6,328,140 km (0.092 R)
• M6: 7,369,341 km (0.082 R)
• M7: 7,826,661 km (0.101 R)
• M8: 9,666,566 km (0.111 R)
• M9: 10,276,626 km (0.049 R)
• M10: 15,531,999 km (0.106 R)
• M11: 17,322,685 km (0.116 R)
• M12: 18,869,527 km (0.104 R)
• M13: 22,340,198 km (0.081 R)
• M14: 26,683,323 km (0.052 R)
• M15: 26,920,137 km (0.092 R)
• M16: 29,491,724 km (0.1 R)
• M17: 38,632,902 km (0.115 R)
• M18: 41,895,332 km (0.09 R)
• M19: 53,149,730 km (0.06 R)
• M20: 59,363,876 km (0.071 R)
• M21: 60,376,504 km (0.114 R)
• M22: 69,119,303 km (0.114 R)
• M23: 73,210,356 km (0.068 R)
• M24: 75,551,413 km (0.095 R)
• M25: 83,377,775 km (0.063 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.2

Radius: 6.8

Gravity: 13.09 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 10.34 AU - 10.68 AU

Year: 23110 Days

Day: 17.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 80,395,755 km

• M1: 85,271 km (0.115 R)
• M2: 314,455 km (0.099 R)
• M3: 552,914 km (0.078 R)
• M4: 1,208,751 km (0.054 R)
• M5: 1,847,534 km (0.099 R)
• M6: 2,477,191 km (0.119 R)
• M7: 3,617,277 km (0.074 R)
• M8: 5,147,812 km (0.055 R)
• M9: 6,649,775 km (0.046 R)
• M10: 6,972,607 km (0.12 R)
• M11: 8,529,622 km (0.117 R)
• M12: 10,550,988 km (0.074 R)
• M13: 10,800,667 km (0.107 R)
• M14: 13,373,601 km (0.069 R)
• M15: 16,495,110 km (0.072 R)
• M16: 22,549,785 km (0.078 R)
• M17: 26,124,875 km (0.087 R)
• M18: 34,923,473 km (0.095 R)
• M19: 35,339,206 km (0.099 R)
• M20: 37,035,646 km (0.073 R)
• M21: 38,785,791 km (0.119 R)
• M22: 43,241,265 km (0.113 R)
• M23: 48,885,293 km (0.115 R)
• M24: 49,754,606 km (0.101 R)
• M25: 56,892,519 km (0.037 R)
• M26: 57,468,321 km (0.099 R)
• M27: 58,047,863 km (0.117 R)
• M28: 63,647,162 km (0.111 R)
• M29: 76,602,188 km (0.085 R)
• M30: 77,304,101 km (0.157 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: 151 - 15,496 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit