🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750

Radius: 8.5

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.8 AU - 1.06 AU

Year: 598 Days

Day: 6.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 112.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,021,670 km

• M1: 105,766 km (0.077 R)
• M2: 373,396 km (0.093 R)
• M3: 727,345 km (0.046 R)
• M4: 1,020,257 km (0.093 R)
• M5: 1,597,107 km (0.104 R)
• M6: 1,881,193 km (0.077 R)
• M7: 2,346,293 km (0.069 R)
• M8: 3,112,234 km (0.066 R)
• M9: 3,401,856 km (0.117 R)
• M10: 3,695,666 km (0.115 R)
• M11: 3,991,870 km (0.074 R)
• M12: 4,365,415 km (0.026 R)
• M13: 4,761,999 km (0.089 R)
• M14: 5,482,463 km (0.066 R)
• M15: 5,982,718 km (0.118 R)
• M16: 6,352,823 km (0.109 R)
• M17: 6,738,038 km (0.119 R)
• M18: 7,246,970 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.1

Radius: 9

Gravity: 11.64 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.75 AU - 2.35 AU

Year: 1957 Days

Day: 13.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,021,670 km

• M1: 112,049 km (0.1 R)
• M2: 471,383 km (0.06 R)
• M3: 1,179,729 km (0.088 R)
• M4: 1,644,081 km (0.097 R)
• M5: 2,252,495 km (0.106 R)
• M6: 2,862,854 km (0.073 R)
• M7: 3,149,334 km (0.081 R)
• M8: 3,472,765 km (0.088 R)
• M9: 4,950,194 km (0.117 R)
• M10: 6,947,774 km (0.091 R)
• M11: 8,141,116 km (0.115 R)
• M12: 8,589,461 km (0.109 R)
• M13: 9,818,258 km (0.106 R)
• M14: 10,216,039 km (0.099 R)
• M15: 10,662,289 km (0.05 R)
• M16: 13,005,141 km (0.061 R)
• M17: 13,977,228 km (0.052 R)
• M18: 14,388,622 km (0.089 R)
• M19: 14,714,147 km (0.054 R)
• M20: 14,997,037 km (0.087 R)
• M21: 15,428,178 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.2

Radius: 13

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.59 AU - 5.01 AU

Year: 5946 Days

Day: 10.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,021,670 km

• M1: 173,234 km (0.089 R)
• M2: 644,318 km (0.09 R)
• M3: 1,368,222 km (0.093 R)
• M4: 1,875,957 km (0.084 R)
• M5: 2,415,557 km (0.039 R)
• M6: 3,282,028 km (0.072 R)
• M7: 4,469,685 km (0.109 R)
• M8: 5,045,487 km (0.094 R)
• M9: 6,012,787 km (0.109 R)
• M10: 7,051,146 km (0.119 R)
• M11: 8,044,925 km (0.118 R)
• M12: 10,215,889 km (0.116 R)
• M13: 11,151,773 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307.1

Radius: 6.8

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.62 AU - 7.04 AU

Year: 10620 Days

Day: 17.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,021,670 km

• M1: 85,570 km (0.118 R)
• M2: 389,403 km (0.104 R)
• M3: 624,571 km (0.102 R)
• M4: 1,219,671 km (0.118 R)
• M5: 2,450,712 km (0.069 R)
• M6: 3,817,588 km (0.103 R)
• M7: 4,650,100 km (0.076 R)
• M8: 7,215,554 km (0.081 R)
• M9: 8,397,377 km (0.086 R)
• M10: 8,775,860 km (0.063 R)
• M11: 10,026,199 km (0.03 R)
• M12: 10,356,511 km (0.118 R)
• M13: 16,223,590 km (0.102 R)
• M14: 16,482,843 km (0.099 R)
• M15: 19,961,293 km (0.094 R)
• M16: 21,635,891 km (0.092 R)
• M17: 22,507,299 km (0.11 R)
• M18: 25,962,112 km (0.117 R)
• M19: 26,406,268 km (0.04 R)
• M20: 26,765,153 km (0.06 R)
• M21: 33,271,464 km (0.094 R)
• M22: 35,946,573 km (0.093 R)
• M23: 37,505,682 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 218.6

Radius: 5.3

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7.27 AU - 7.59 AU

Year: 13506 Days

Day: 18 Hours

Environment

Temp: -241 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,021,670 km

• M1: 76,445 km (0.115 R)
• M2: 242,199 km (0.087 R)
• M3: 491,429 km (0.096 R)
• M4: 776,263 km (0.049 R)
• M5: 1,000,660 km (0.084 R)
• M6: 1,177,335 km (0.08 R)
• M7: 1,450,202 km (0.06 R)
• M8: 2,156,154 km (0.102 R)
• M9: 4,853,553 km (0.058 R)
• M10: 7,543,622 km (0.055 R)
• M11: 8,567,620 km (0.109 R)
• M12: 12,852,252 km (0.095 R)
• M13: 14,487,656 km (0.051 R)
• M14: 15,737,546 km (0.118 R)
• M15: 16,854,893 km (0.042 R)
• M16: 17,674,839 km (0.074 R)
• M17: 20,142,007 km (0.103 R)
• M18: 23,244,068 km (0.052 R)
• M19: 24,258,940 km (0.115 R)
• M20: 30,774,975 km (0.091 R)
• M21: 33,252,465 km (0.036 R)
• M22: 38,250,530 km (0.085 R)
• M23: 39,070,326 km (0.075 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 16,457 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit