🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.8

Radius: 10.9

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.71 AU - 0.93 AU

Year: 522 Days

Day: 10.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 116.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,869,351 km

• M1: 137,181 km (0.065 R)
• M2: 551,867 km (0.088 R)
• M3: 1,015,321 km (0.047 R)
• M4: 1,564,345 km (0.078 R)
• M5: 2,041,113 km (0.073 R)
• M6: 2,575,327 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 349.3

Radius: 11.3

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.82 AU - 0.84 AU

Year: 532 Days

Day: 10.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,869,351 km

• M1: 140,772 km (0.089 R)
• M2: 536,757 km (0.088 R)
• M3: 1,148,164 km (0.079 R)
• M4: 2,076,119 km (0.092 R)
• M5: 2,538,526 km (0.08 R)
• M6: 3,037,286 km (0.091 R)
• M7: 3,424,744 km (0.117 R)
• M8: 3,832,847 km (0.078 R)
• M9: 4,820,343 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.6

Radius: 9.7

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.95 AU - 2.27 AU

Year: 2154 Days

Day: 13.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,869,351 km

• M1: 120,875 km (0.104 R)
• M2: 460,013 km (0.114 R)
• M3: 804,837 km (0.066 R)
• M4: 1,155,943 km (0.113 R)
• M5: 1,548,787 km (0.09 R)
• M6: 1,945,221 km (0.069 R)
• M7: 2,381,598 km (0.1 R)
• M8: 3,277,091 km (0.053 R)
• M9: 4,055,299 km (0.114 R)
• M10: 4,617,637 km (0.115 R)
• M11: 4,951,989 km (0.104 R)
• M12: 6,212,052 km (0.105 R)
• M13: 6,760,477 km (0.098 R)
• M14: 8,338,286 km (0.095 R)
• M15: 8,937,725 km (0.076 R)
• M16: 9,318,003 km (0.107 R)
• M17: 11,505,123 km (0.088 R)
• M18: 12,248,176 km (0.06 R)
• M19: 13,022,943 km (0.109 R)
• M20: 13,467,399 km (0.09 R)
• M21: 13,921,727 km (0.077 R)
• M22: 14,292,730 km (0.088 R)
• M23: 15,005,863 km (0.099 R)
• M24: 17,448,348 km (0.112 R)
• M25: 18,595,763 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.2

Radius: 11.6

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.88 AU - 2.78 AU

Year: 2500 Days

Day: 14.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,869,351 km

• M1: 144,212 km (0.114 R)
• M2: 525,537 km (0.049 R)
• M3: 1,195,287 km (0.074 R)
• M4: 1,855,612 km (0.072 R)
• M5: 2,581,012 km (0.087 R)
• M6: 3,117,021 km (0.104 R)
• M7: 3,761,339 km (0.106 R)
• M8: 4,840,239 km (0.113 R)
• M9: 6,883,896 km (0.104 R)
• M10: 7,744,981 km (0.093 R)
• M11: 8,552,361 km (0.085 R)
• M12: 9,414,792 km (0.113 R)
• M13: 10,582,404 km (0.115 R)
• M14: 12,511,319 km (0.104 R)
• M15: 15,068,545 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.9

Radius: 11.3

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.57 AU - 3.37 AU

Year: 3598 Days

Day: 13.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,869,351 km

• M1: 140,472 km (0.076 R)
• M2: 579,393 km (0.065 R)
• M3: 984,354 km (0.061 R)
• M4: 1,468,602 km (0.117 R)
• M5: 1,857,108 km (0.118 R)
• M6: 2,880,058 km (0.113 R)
• M7: 3,294,594 km (0.098 R)
• M8: 4,487,039 km (0.095 R)
• M9: 5,344,384 km (0.097 R)
• M10: 6,139,646 km (0.109 R)
• M11: 6,801,467 km (0.118 R)
• M12: 7,735,407 km (0.051 R)
• M13: 8,098,481 km (0.072 R)
• M14: 9,147,461 km (0.096 R)
• M15: 10,683,981 km (0.08 R)
• M16: 14,608,980 km (0.12 R)
• M17: 15,114,322 km (0.102 R)
• M18: 15,474,853 km (0.112 R)
• M19: 16,645,755 km (0.106 R)
• M20: 18,628,974 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.9

Radius: 14.7

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.91 AU - 4.93 AU

Year: 6532 Days

Day: 10.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,869,351 km

• M1: 182,958 km (0.111 R)
• M2: 652,247 km (0.104 R)
• M3: 1,549,535 km (0.058 R)
• M4: 2,344,647 km (0.069 R)
• M5: 3,162,349 km (0.074 R)
• M6: 3,889,096 km (0.041 R)
• M7: 4,697,523 km (0.072 R)
• M8: 6,475,493 km (0.115 R)
• M9: 7,232,758 km (0.107 R)
• M10: 8,251,519 km (0.101 R)
• M11: 9,725,806 km (0.037 R)
• M12: 10,917,353 km (0.109 R)
• M13: 11,625,999 km (0.04 R)
• M14: 12,365,162 km (0.103 R)
• M15: 15,016,784 km (0.099 R)
• M16: 16,805,226 km (0.098 R)
• M17: 17,477,220 km (0.089 R)
• M18: 19,454,605 km (0.119 R)
• M19: 26,458,478 km (0.096 R)
• M20: 27,553,235 km (0.071 R)
• M21: 28,205,631 km (0.087 R)
• M22: 31,320,109 km (0.114 R)
• M23: 33,274,157 km (0.063 R)
• M24: 35,857,263 km (0.111 R)
• M25: 38,455,629 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.1

Radius: 7.2

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 6.01 AU - 9.91 AU

Year: 15786 Days

Day: 18.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,869,351 km

• M1: 89,609 km (0.108 R)
• M2: 533,616 km (0.093 R)
• M3: 1,175,390 km (0.115 R)
• M4: 1,627,625 km (0.1 R)
• M5: 2,560,816 km (0.106 R)
• M6: 2,971,911 km (0.1 R)
• M7: 3,269,910 km (0.101 R)
• M8: 3,560,429 km (0.071 R)
• M9: 3,984,390 km (0.098 R)
• M10: 6,422,237 km (0.076 R)
• M11: 7,225,128 km (0.084 R)
• M12: 8,333,050 km (0.084 R)
• M13: 9,871,814 km (0.089 R)
• M14: 10,312,230 km (0.056 R)
• M15: 11,410,727 km (0.07 R)
• M16: 14,320,256 km (0.116 R)
• M17: 17,850,916 km (0.093 R)
• M18: 18,587,535 km (0.038 R)
• M19: 19,600,911 km (0.099 R)
• M20: 23,341,457 km (0.107 R)
• M21: 25,429,843 km (0.088 R)
• M22: 25,738,164 km (0.114 R)
• M23: 26,572,172 km (0.088 R)
• M24: 30,781,258 km (0.111 R)
• M25: 31,131,466 km (0.055 R)
• M26: 36,056,677 km (0.074 R)
• M27: 37,232,217 km (0.077 R)
• M28: 39,935,750 km (0.101 R)
• M29: 50,588,315 km (0.114 R)
• M30: 54,407,399 km (0.032 R)
• M31: 58,771,767 km (0.099 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 500 - 16,790 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit