🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.7

Radius: 9.6

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.58 AU - 0.78 AU

Year: 380 Days

Day: 12.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 40,980,736 km

• M1: 119,828 km (0.05 R)
• M2: 444,306 km (0.07 R)
• M3: 1,060,051 km (0.065 R)
• M4: 1,397,244 km (0.101 R)
• M5: 2,275,683 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.2

Radius: 10.2

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.7 AU - 0.8 AU

Year: 441 Days

Day: 10.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,980,736 km

• M1: 126,859 km (0.096 R)
• M2: 468,541 km (0.032 R)
• M3: 809,923 km (0.044 R)
• M4: 1,162,974 km (0.106 R)
• M5: 1,530,685 km (0.072 R)
• M6: 1,865,186 km (0.045 R)
• M7: 2,394,613 km (0.119 R)
• M8: 2,787,756 km (0.08 R)
• M9: 3,531,258 km (0.117 R)
• M10: 3,936,818 km (0.117 R)
• M11: 4,317,095 km (0.117 R)
• M12: 5,279,458 km (0.034 R)
• M13: 5,845,986 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.8

Radius: 12.8

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.59 AU - 0.93 AU

Year: 449 Days

Day: 13.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,980,736 km

• M1: 159,172 km (0.113 R)
• M2: 581,487 km (0.116 R)
• M3: 1,185,414 km (0.064 R)
• M4: 1,703,321 km (0.059 R)
• M5: 2,540,172 km (0.081 R)
• M6: 2,998,989 km (0.067 R)
• M7: 3,417,414 km (0.047 R)
• M8: 4,764,842 km (0.077 R)
• M9: 5,290,379 km (0.117 R)
• M10: 5,718,229 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.1

Radius: 9.6

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.71 AU - 0.91 AU

Year: 494 Days

Day: 8.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,980,736 km

• M1: 119,379 km (0.055 R)
• M2: 423,811 km (0.098 R)
• M3: 793,168 km (0.118 R)
• M4: 1,149,809 km (0.092 R)
• M5: 1,942,379 km (0.072 R)
• M6: 3,291,602 km (0.079 R)
• M7: 3,610,395 km (0.11 R)
• M8: 4,034,355 km (0.041 R)
• M9: 4,552,712 km (0.053 R)
• M10: 5,301,001 km (0.111 R)
• M11: 5,633,108 km (0.098 R)
• M12: 6,035,077 km (0.051 R)
• M13: 6,633,918 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970

Radius: 13.4

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.78 AU - 1.18 AU

Year: 658 Days

Day: 13.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,980,736 km

• M1: 168,148 km (0.074 R)
• M2: 689,048 km (0.091 R)
• M3: 1,710,652 km (0.096 R)
• M4: 2,497,536 km (0.089 R)
• M5: 3,234,007 km (0.099 R)
• M6: 3,654,078 km (0.101 R)
• M7: 4,250,823 km (0.11 R)
• M8: 4,757,362 km (0.107 R)
• M9: 6,461,581 km (0.073 R)
• M10: 8,747,137 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.8

Radius: 14

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.01 AU - 1.29 AU

Year: 836 Days

Day: 14 Hours

Environment

Temp: -190 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 40,980,736 km

• M1: 175,030 km (0.03 R)
• M2: 620,233 km (0.059 R)
• M3: 1,305,840 km (0.108 R)
• M4: 1,905,129 km (0.111 R)
• M5: 2,368,882 km (0.082 R)
• M6: 2,920,898 km (0.072 R)
• M7: 3,600,372 km (0.077 R)
• M8: 4,351,652 km (0.105 R)
• M9: 6,332,478 km (0.099 R)
• M10: 8,270,817 km (0.106 R)
• M11: 8,883,570 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.9

Radius: 8.4

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.02 AU - 2.42 AU

Year: 2243 Days

Day: 10.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,980,736 km

• M1: 104,419 km (0.112 R)
• M2: 365,916 km (0.099 R)
• M3: 975,677 km (0.104 R)
• M4: 1,266,795 km (0.037 R)
• M5: 1,691,503 km (0.114 R)
• M6: 2,275,533 km (0.098 R)
• M7: 2,859,414 km (0.081 R)
• M8: 3,688,036 km (0.077 R)
• M9: 4,429,443 km (0.091 R)
• M10: 6,045,998 km (0.1 R)
• M11: 6,757,037 km (0.063 R)
• M12: 7,074,334 km (0.074 R)
• M13: 8,812,212 km (0.115 R)
• M14: 9,509,488 km (0.099 R)
• M15: 10,056,118 km (0.037 R)
• M16: 11,947,036 km (0.062 R)
• M17: 12,368,902 km (0.11 R)
• M18: 12,888,305 km (0.103 R)
• M19: 14,534,032 km (0.112 R)
• M20: 14,966,369 km (0.115 R)
• M21: 16,059,481 km (0.046 R)
• M22: 16,939,864 km (0.08 R)
• M23: 17,743,205 km (0.093 R)
• M24: 18,740,275 km (0.059 R)
• M25: 19,252,648 km (0.068 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.3

Radius: 12.7

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.14 AU - 6.58 AU

Year: 8417 Days

Day: 8.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,980,736 km

• M1: 158,574 km (0.045 R)
• M2: 819,048 km (0.11 R)
• M3: 1,385,875 km (0.118 R)
• M4: 1,893,311 km (0.076 R)
• M5: 2,598,216 km (0.073 R)
• M6: 3,358,622 km (0.104 R)
• M7: 4,315,599 km (0.108 R)
• M8: 5,831,923 km (0.104 R)
• M9: 6,802,664 km (0.115 R)
• M10: 7,404,197 km (0.12 R)
• M11: 8,457,067 km (0.064 R)
• M12: 9,197,875 km (0.101 R)
• M13: 10,317,017 km (0.103 R)
• M14: 13,394,395 km (0.09 R)
• M15: 13,980,968 km (0.109 R)
• M16: 16,834,847 km (0.073 R)
• M17: 17,796,761 km (0.078 R)
• M18: 20,669,788 km (0.086 R)
• M19: 21,295,257 km (0.066 R)
• M20: 22,094,858 km (0.04 R)
• M21: 23,164,033 km (0.072 R)
• M22: 23,669,076 km (0.069 R)
• M23: 25,316,896 km (0.107 R)
• M24: 26,033,021 km (0.041 R)
• M25: 30,416,538 km (0.12 R)
• M26: 30,819,555 km (0.119 R)
• M27: 33,633,640 km (0.093 R)
• M28: 39,888,477 km (0.088 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 18,260 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit