🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.3

Radius: 10.7

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.55 AU - 0.61 AU

Year: 300 Days

Day: 13.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,471,195 km

• M1: 133,142 km (0.078 R)
• M2: 477,217 km (0.044 R)
• M3: 962,064 km (0.113 R)
• M4: 1,322,296 km (0.099 R)
• M5: 1,718,281 km (0.089 R)
• M6: 2,128,927 km (0.115 R)
• M7: 2,483,474 km (0.062 R)
• M8: 3,333,190 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.9

Radius: 14.4

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.58 AU - 0.82 AU

Year: 397 Days

Day: 8.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,471,195 km

• M1: 179,368 km (0.111 R)
• M2: 786,436 km (0.057 R)
• M3: 1,311,525 km (0.085 R)
• M4: 1,798,316 km (0.111 R)
• M5: 2,610,483 km (0.048 R)
• M6: 3,248,219 km (0.115 R)
• M7: 4,099,879 km (0.118 R)
• M8: 4,619,732 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.1

Radius: 12.7

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.6 AU - 0.8 AU

Year: 397 Days

Day: 13.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,471,195 km

• M1: 158,723 km (0.052 R)
• M2: 755,768 km (0.088 R)
• M3: 1,421,180 km (0.083 R)
• M4: 2,143,737 km (0.091 R)
• M5: 2,798,527 km (0.069 R)
• M6: 3,384,053 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.7

Radius: 11.2

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.92 AU - 3.12 AU

Year: 2713 Days

Day: 10.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,471,195 km

• M1: 139,276 km (0.077 R)
• M2: 593,604 km (0.094 R)
• M3: 1,038,359 km (0.026 R)
• M4: 1,583,643 km (0.087 R)
• M5: 2,184,279 km (0.119 R)
• M6: 2,551,541 km (0.115 R)
• M7: 3,444,790 km (0.113 R)
• M8: 3,825,218 km (0.118 R)
• M9: 4,252,020 km (0.098 R)
• M10: 5,287,537 km (0.073 R)
• M11: 5,705,513 km (0.058 R)
• M12: 7,145,841 km (0.07 R)
• M13: 7,657,616 km (0.034 R)
• M14: 9,309,775 km (0.104 R)
• M15: 9,692,745 km (0.117 R)
• M16: 10,661,840 km (0.106 R)
• M17: 12,178,463 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 898

Radius: 7.6

Gravity: 15.55 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.67 AU - 7.55 AU

Year: 11526 Days

Day: 15.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,471,195 km

• M1: 103,073 km (0.047 R)
• M2: 453,132 km (0.109 R)
• M3: 741,706 km (0.059 R)
• M4: 1,696,141 km (0.088 R)
• M5: 2,071,033 km (0.111 R)
• M6: 2,500,229 km (0.106 R)
• M7: 2,758,435 km (0.073 R)
• M8: 3,253,903 km (0.098 R)
• M9: 3,947,738 km (0.102 R)
• M10: 4,360,180 km (0.12 R)
• M11: 5,100,091 km (0.041 R)
• M12: 5,809,185 km (0.109 R)
• M13: 6,744,620 km (0.063 R)
• M14: 7,553,795 km (0.109 R)
• M15: 9,060,395 km (0.03 R)
• M16: 11,212,510 km (0.085 R)
• M17: 12,907,903 km (0.116 R)
• M18: 13,750,288 km (0.051 R)
• M19: 15,472,609 km (0.109 R)
• M20: 18,926,823 km (0.1 R)
• M21: 19,843,260 km (0.094 R)
• M22: 21,406,259 km (0.101 R)
• M23: 22,400,785 km (0.064 R)
• M24: 25,369,256 km (0.066 R)
• M25: 26,175,738 km (0.082 R)
• M26: 29,463,301 km (0.117 R)
• M27: 30,579,899 km (0.027 R)
• M28: 34,098,591 km (0.063 R)
• M29: 44,201,683 km (0.101 R)
• M30: 45,368,696 km (0.099 R)
• M31: 48,838,170 km (0.098 R)
• M32: 51,353,508 km (0.11 R)
• M33: 56,300,261 km (0.111 R)
• M34: 57,154,315 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 594.9

Radius: 4

Gravity: 37.18 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.91 AU - 10.45 AU

Year: 17345 Days

Day: 24.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 158.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,471,195 km

• M1: 52,509 km (0.071 R)
• M2: 215,720 km (0.075 R)
• M3: 1,182,721 km (0.071 R)
• M4: 2,015,083 km (0.092 R)
• M5: 2,151,217 km (0.079 R)
• M6: 2,356,466 km (0.106 R)
• M7: 3,698,209 km (0.083 R)
• M8: 9,982,516 km (0.083 R)
• M9: 10,611,575 km (0.118 R)
• M10: 11,205,928 km (0.038 R)
• M11: 12,656,578 km (0.103 R)
• M12: 13,598,297 km (0.059 R)
• M13: 14,441,879 km (0.073 R)
• M14: 17,100,981 km (0.12 R)
• M15: 18,502,863 km (0.111 R)
• M16: 26,999,125 km (0.103 R)
• M17: 32,328,549 km (0.076 R)
• M18: 34,978,525 km (0.108 R)
• M19: 44,395,263 km (0.105 R)
• M20: 45,621,367 km (0.047 R)
• M21: 55,721,317 km (0.096 R)
• M22: 64,059,155 km (0.025 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 326.9

Radius: 3.9

Gravity: 21.49 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 9.76 AU - 11.58 AU

Year: 23639 Days

Day: 16.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,471,195 km

• M1: 48,470 km (0.108 R)
• M2: 1,284,597 km (0.115 R)
• M3: 1,444,966 km (0.115 R)
• M4: 1,618,799 km (0.088 R)
• M5: 3,070,646 km (0.07 R)
• M6: 3,413,075 km (0.107 R)
• M7: 4,761,700 km (0.092 R)
• M8: 5,403,625 km (0.092 R)
• M9: 5,823,247 km (0.106 R)
• M10: 6,471,753 km (0.039 R)
• M11: 7,033,045 km (0.077 R)
• M12: 8,756,263 km (0.079 R)
• M13: 9,496,174 km (0.097 R)
• M14: 10,449,710 km (0.036 R)
• M15: 12,156,323 km (0.064 R)
• M16: 17,298,151 km (0.087 R)
• M17: 18,374,209 km (0.1 R)
• M18: 24,023,324 km (0.091 R)
• M19: 24,737,504 km (0.107 R)
• M20: 25,888,061 km (0.1 R)
• M21: 27,403,338 km (0.059 R)
• M22: 27,735,595 km (0.067 R)
• M23: 28,976,808 km (0.082 R)
• M24: 32,302,519 km (0.069 R)
• M25: 39,558,315 km (0.053 R)
• M26: 41,418,863 km (0.099 R)
• M27: 41,564,422 km (0.091 R)
• M28: 44,394,066 km (0.051 R)
• M29: 46,559,495 km (0.058 R)
• M30: 57,358,068 km (0.054 R)
• M31: 57,720,094 km (0.065 R)
• M32: 58,265,827 km (0.094 R)
• M33: 60,109,920 km (0.079 R)
• M34: 61,234,896 km (0.05 R)
• M35: 64,303,298 km (0.098 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 19,714 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit