🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.1

Radius: 14

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.23 AU - 1.41 AU

Year: 979 Days

Day: 9.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,379,013 km

• M1: 174,132 km (0.1 R)
• M2: 629,059 km (0.12 R)
• M3: 1,084,585 km (0.069 R)
• M4: 1,816,118 km (0.102 R)
• M5: 2,301,264 km (0.117 R)
• M6: 4,915,936 km (0.054 R)
• M7: 5,894,156 km (0.115 R)
• M8: 6,579,763 km (0.079 R)
• M9: 7,364,703 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.3

Radius: 13.7

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.68 AU - 1.94 AU

Year: 1572 Days

Day: 12.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 80.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,379,013 km

• M1: 170,392 km (0.045 R)
• M2: 648,806 km (0.075 R)
• M3: 1,292,825 km (0.064 R)
• M4: 1,798,466 km (0.106 R)
• M5: 2,584,004 km (0.09 R)
• M6: 3,103,109 km (0.106 R)
• M7: 3,691,776 km (0.071 R)
• M8: 4,523,540 km (0.092 R)
• M9: 6,191,257 km (0.089 R)
• M10: 6,875,219 km (0.085 R)
• M11: 8,316,295 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.1

Radius: 10.2

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 3.38 AU - 5 AU

Year: 5538 Days

Day: 11.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,379,013 km

• M1: 126,859 km (0.085 R)
• M2: 501,602 km (0.086 R)
• M3: 2,515,339 km (0.096 R)
• M4: 3,374,778 km (0.081 R)
• M5: 4,400,870 km (0.098 R)
• M6: 5,708,954 km (0.058 R)
• M7: 6,107,034 km (0.106 R)
• M8: 8,956,724 km (0.091 R)
• M9: 9,679,730 km (0.075 R)
• M10: 11,139,506 km (0.105 R)
• M11: 11,657,264 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.1

Radius: 9.6

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.45 AU - 5.41 AU

Year: 7068 Days

Day: 11 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,379,013 km

• M1: 119,379 km (0.092 R)
• M2: 586,124 km (0.111 R)
• M3: 1,277,416 km (0.116 R)
• M4: 1,888,075 km (0.047 R)
• M5: 2,303,209 km (0.096 R)
• M6: 2,897,711 km (0.056 R)
• M7: 5,125,522 km (0.111 R)
• M8: 6,481,477 km (0.117 R)
• M9: 7,861,667 km (0.108 R)
• M10: 9,428,555 km (0.1 R)
• M11: 10,261,666 km (0.036 R)
• M12: 11,602,362 km (0.073 R)
• M13: 13,395,293 km (0.12 R)
• M14: 14,268,495 km (0.105 R)
• M15: 17,658,981 km (0.096 R)
• M16: 19,947,230 km (0.099 R)
• M17: 20,246,426 km (0.117 R)
• M18: 20,624,759 km (0.102 R)
• M19: 22,345,733 km (0.093 R)
• M20: 31,689,616 km (0.114 R)
• M21: 37,494,762 km (0.119 R)
• M22: 38,410,899 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.2

Radius: 9.6

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.45 AU - 5.81 AU

Year: 7502 Days

Day: 14.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,379,013 km

• M1: 119,379 km (0.089 R)
• M2: 543,938 km (0.077 R)
• M3: 845,228 km (0.062 R)
• M4: 1,558,361 km (0.114 R)
• M5: 2,868,390 km (0.107 R)
• M6: 3,515,999 km (0.064 R)
• M7: 5,651,957 km (0.107 R)
• M8: 6,338,911 km (0.067 R)
• M9: 6,669,073 km (0.06 R)
• M10: 7,185,784 km (0.118 R)
• M11: 10,047,292 km (0.08 R)
• M12: 10,727,065 km (0.111 R)
• M13: 11,101,957 km (0.09 R)
• M14: 12,330,305 km (0.117 R)
• M15: 13,646,916 km (0.12 R)
• M16: 14,031,831 km (0.116 R)
• M17: 14,881,099 km (0.066 R)
• M18: 15,406,786 km (0.073 R)
• M19: 15,764,175 km (0.112 R)
• M20: 16,187,986 km (0.106 R)
• M21: 16,995,515 km (0.099 R)
• M22: 17,377,139 km (0.099 R)
• M23: 18,556,269 km (0.071 R)
• M24: 19,440,542 km (0.077 R)
• M25: 21,219,710 km (0.105 R)
• M26: 23,027,451 km (0.11 R)
• M27: 25,017,102 km (0.098 R)
• M28: 25,760,753 km (0.117 R)
• M29: 28,079,969 km (0.12 R)
• M30: 29,154,231 km (0.105 R)
• M31: 31,862,850 km (0.097 R)
• M32: 32,834,489 km (0.054 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 85.2

Radius: 6.8

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 5.51 AU - 8.05 AU

Year: 11399 Days

Day: 20.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,379,013 km

• M1: 95,593 km (0.047 R)
• M2: 1,435,092 km (0.085 R)
• M3: 1,737,729 km (0.105 R)
• M4: 2,735,098 km (0.067 R)
• M5: 5,006,293 km (0.033 R)
• M6: 5,268,089 km (0.081 R)
• M7: 7,067,901 km (0.068 R)
• M8: 8,783,340 km (0.09 R)
• M9: 10,084,243 km (0.093 R)
• M10: 10,715,995 km (0.092 R)
• M11: 13,660,530 km (0.09 R)
• M12: 14,804,205 km (0.084 R)
• M13: 16,522,337 km (0.095 R)
• M14: 22,046,837 km (0.09 R)
• M15: 23,253,493 km (0.119 R)
• M16: 23,909,928 km (0.044 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672

Radius: 5.2

Gravity: 24.85 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 6.33 AU - 7.91 AU

Year: 12267 Days

Day: 23.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,379,013 km

• M1: 66,571 km (0.112 R)
• M2: 323,131 km (0.067 R)
• M3: 1,000,810 km (0.073 R)
• M4: 1,380,489 km (0.033 R)
• M5: 1,596,209 km (0.053 R)
• M6: 3,008,862 km (0.113 R)
• M7: 3,224,283 km (0.083 R)
• M8: 3,659,164 km (0.096 R)
• M9: 4,103,470 km (0.103 R)
• M10: 4,614,047 km (0.044 R)
• M11: 5,301,898 km (0.034 R)
• M12: 5,545,743 km (0.057 R)
• M13: 6,556,875 km (0.09 R)
• M14: 8,226,387 km (0.078 R)
• M15: 8,792,465 km (0.108 R)
• M16: 9,949,156 km (0.078 R)
• M17: 11,432,120 km (0.063 R)
• M18: 12,076,587 km (0.093 R)
• M19: 13,501,657 km (0.051 R)
• M20: 16,386,951 km (0.097 R)
• M21: 19,004,166 km (0.086 R)
• M22: 19,493,201 km (0.105 R)
• M23: 21,358,537 km (0.115 R)
• M24: 22,878,900 km (0.042 R)
• M25: 23,806,257 km (0.072 R)
• M26: 27,766,562 km (0.094 R)
• M27: 28,821,077 km (0.098 R)
• M28: 31,347,336 km (0.118 R)
• M29: 33,542,535 km (0.119 R)
• M30: 35,838,115 km (0.083 R)
• M31: 36,584,309 km (0.05 R)
• M32: 37,213,817 km (0.117 R)
• M33: 40,203,530 km (0.095 R)
• M34: 40,604,901 km (0.119 R)
• M35: 42,099,534 km (0.109 R)
• M36: 42,513,471 km (0.08 R)
• M37: 51,215,130 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.8

Radius: 3.8

Gravity: 20.28 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 7.85 AU - 12.93 AU

Year: 21624 Days

Day: 24.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,379,013 km

• M1: 63,878 km (0.096 R)
• M2: 655,239 km (0.055 R)
• M3: 2,862,106 km (0.059 R)
• M4: 3,153,074 km (0.04 R)
• M5: 3,653,629 km (0.091 R)
• M6: 4,485,243 km (0.1 R)
• M7: 4,911,298 km (0.043 R)
• M8: 9,494,678 km (0.119 R)
• M9: 10,813,682 km (0.094 R)
• M10: 11,103,004 km (0.069 R)
• M11: 11,940,902 km (0.116 R)
• M12: 13,540,402 km (0.039 R)
• M13: 20,652,435 km (0.1 R)
• M14: 22,848,681 km (0.096 R)
• M15: 29,567,870 km (0.105 R)
• M16: 30,821,350 km (0.085 R)
• M17: 32,109,986 km (0.114 R)
• M18: 34,295,461 km (0.069 R)
• M19: 34,919,584 km (0.074 R)
• M20: 44,766,265 km (0.105 R)
• M21: 47,333,963 km (0.105 R)
• M22: 52,760,476 km (0.115 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: 366 - 16,252 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit