🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631

Radius: 10.1

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.55 AU - 0.83 AU

Year: 364 Days

Day: 5.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,789,435 km

• M1: 125,812 km (0.07 R)
• M2: 490,831 km (0.075 R)
• M3: 820,694 km (0.096 R)
• M4: 1,163,123 km (0.098 R)
• M5: 1,596,209 km (0.114 R)
• M6: 2,294,981 km (0.101 R)
• M7: 2,619,459 km (0.073 R)
• M8: 3,121,509 km (0.104 R)
• M9: 3,441,499 km (0.112 R)
• M10: 3,919,015 km (0.111 R)
• M11: 4,522,493 km (0.074 R)
• M12: 4,904,716 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.2

Radius: 13.6

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.86 AU - 4.34 AU

Year: 5278 Days

Day: 8.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,789,435 km

• M1: 169,195 km (0.074 R)
• M2: 623,225 km (0.035 R)
• M3: 1,193,641 km (0.103 R)
• M4: 1,815,370 km (0.118 R)
• M5: 2,411,368 km (0.101 R)
• M6: 2,868,689 km (0.073 R)
• M7: 3,494,905 km (0.109 R)
• M8: 3,921,409 km (0.106 R)
• M9: 5,071,218 km (0.079 R)
• M10: 8,129,747 km (0.11 R)
• M11: 8,885,216 km (0.027 R)
• M12: 10,736,490 km (0.107 R)
• M13: 12,697,269 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.4

Radius: 12.8

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.34 AU - 5.56 AU

Year: 5969 Days

Day: 5.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,789,435 km

• M1: 159,322 km (0.096 R)
• M2: 574,456 km (0.083 R)
• M3: 1,001,558 km (0.045 R)
• M4: 1,531,583 km (0.103 R)
• M5: 2,009,847 km (0.062 R)
• M6: 2,454,153 km (0.05 R)
• M7: 2,853,280 km (0.111 R)
• M8: 3,545,320 km (0.118 R)
• M9: 4,673,737 km (0.069 R)
• M10: 5,521,657 km (0.085 R)
• M11: 6,152,512 km (0.111 R)
• M12: 9,584,885 km (0.027 R)
• M13: 12,496,808 km (0.1 R)
• M14: 13,321,391 km (0.082 R)
• M15: 13,963,316 km (0.101 R)
• M16: 14,458,185 km (0.117 R)
• M17: 15,136,313 km (0.073 R)
• M18: 20,846,014 km (0.076 R)
• M19: 24,851,946 km (0.073 R)
• M20: 26,655,947 km (0.043 R)
• M21: 27,162,785 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.8

Radius: 10.8

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.42 AU - 5.42 AU

Year: 8023 Days

Day: 6.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 139.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 36,789,435 km

• M1: 148,999 km (0.119 R)
• M2: 499,657 km (0.119 R)
• M3: 900,729 km (0.068 R)
• M4: 2,376,512 km (0.077 R)
• M5: 2,730,909 km (0.111 R)
• M6: 3,078,126 km (0.064 R)
• M7: 3,501,189 km (0.052 R)
• M8: 4,248,879 km (0.106 R)
• M9: 4,833,058 km (0.114 R)
• M10: 5,760,116 km (0.103 R)
• M11: 6,476,840 km (0.111 R)
• M12: 7,721,793 km (0.071 R)
• M13: 8,766,585 km (0.099 R)
• M14: 9,621,686 km (0.086 R)
• M15: 11,550,152 km (0.045 R)
• M16: 11,921,754 km (0.084 R)
• M17: 12,521,940 km (0.072 R)
• M18: 14,443,974 km (0.116 R)
• M19: 15,507,315 km (0.114 R)
• M20: 16,355,236 km (0.081 R)
• M21: 18,718,733 km (0.065 R)
• M22: 20,751,319 km (0.115 R)
• M23: 21,780,552 km (0.113 R)
• M24: 23,855,325 km (0.077 R)
• M25: 24,896,526 km (0.031 R)
• M26: 25,877,440 km (0.106 R)
• M27: 29,072,252 km (0.086 R)
• M28: 29,464,647 km (0.05 R)
• M29: 31,171,858 km (0.104 R)
• M30: 35,447,215 km (0.072 R)
• M31: 36,233,651 km (0.047 R)
• M32: 37,841,230 km (0.112 R)

Asteroid Belt

Center: 7.9 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 68.7

Radius: 4.4

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 9.52 AU - 11.22 AU

Year: 21233 Days

Day: 19.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,789,435 km

• M1: 54,753 km (0.096 R)
• M2: 456,573 km (0.073 R)
• M3: 685,607 km (0.108 R)
• M4: 1,629,719 km (0.113 R)
• M5: 1,945,820 km (0.06 R)
• M6: 2,134,762 km (0.099 R)
• M7: 3,796,046 km (0.09 R)
• M8: 5,431,300 km (0.113 R)
• M9: 6,199,785 km (0.039 R)
• M10: 6,786,358 km (0.082 R)
• M11: 7,409,134 km (0.083 R)
• M12: 7,831,748 km (0.115 R)
• M13: 9,911,906 km (0.091 R)
• M14: 12,981,505 km (0.047 R)
• M15: 15,490,261 km (0.111 R)
• M16: 26,214,334 km (0.116 R)
• M17: 29,698,020 km (0.045 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 14,422 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit