🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.1

Radius: 14.2

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.52 AU - 0.7 AU

Year: 318 Days

Day: 10.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,255,664 km

• M1: 176,675 km (0.098 R)
• M2: 793,168 km (0.071 R)
• M3: 1,365,081 km (0.111 R)
• M4: 1,907,074 km (0.084 R)
• M5: 2,365,591 km (0.031 R)
• M6: 2,880,657 km (0.11 R)
• M7: 3,348,449 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.1

Radius: 13.8

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.51 AU - 0.83 AU

Year: 366 Days

Day: 10.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,255,664 km

• M1: 171,738 km (0.079 R)
• M2: 634,145 km (0.087 R)
• M3: 1,077,404 km (0.081 R)
• M4: 1,519,017 km (0.057 R)
• M5: 2,061,159 km (0.106 R)
• M6: 3,109,541 km (0.107 R)
• M7: 4,010,121 km (0.08 R)
• M8: 4,900,078 km (0.033 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.7

Radius: 13.6

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.95 AU - 2.99 AU

Year: 2589 Days

Day: 6.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,255,664 km

• M1: 169,195 km (0.106 R)
• M2: 721,511 km (0.116 R)
• M3: 1,573,770 km (0.087 R)
• M4: 2,202,230 km (0.094 R)
• M5: 2,644,741 km (0.111 R)
• M6: 3,598,427 km (0.105 R)
• M7: 4,052,008 km (0.093 R)
• M8: 4,724,450 km (0.105 R)
• M9: 5,245,799 km (0.087 R)
• M10: 5,805,744 km (0.066 R)
• M11: 6,633,319 km (0.12 R)
• M12: 7,136,417 km (0.075 R)
• M13: 9,336,702 km (0.11 R)
• M14: 10,238,927 km (0.118 R)
• M15: 11,239,886 km (0.071 R)
• M16: 12,173,826 km (0.09 R)
• M17: 13,067,075 km (0.114 R)
• M18: 13,623,728 km (0.091 R)
• M19: 16,115,730 km (0.054 R)
• M20: 19,973,410 km (0.096 R)
• M21: 20,963,449 km (0.101 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530.1

Radius: 6.2

Gravity: 13.79 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 7.33 AU - 8.77 AU

Year: 15231 Days

Day: 23.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 71.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,255,664 km

• M1: 78,539 km (0.109 R)
• M2: 319,840 km (0.08 R)
• M3: 600,635 km (0.117 R)
• M4: 922,271 km (0.101 R)
• M5: 1,632,262 km (0.092 R)
• M6: 2,130,124 km (0.045 R)
• M7: 2,404,337 km (0.101 R)
• M8: 3,581,523 km (0.098 R)
• M9: 4,116,185 km (0.106 R)
• M10: 5,703,120 km (0.076 R)
• M11: 7,569,802 km (0.073 R)
• M12: 8,495,663 km (0.11 R)
• M13: 8,886,413 km (0.062 R)
• M14: 9,136,690 km (0.119 R)
• M15: 9,862,539 km (0.083 R)
• M16: 10,185,072 km (0.062 R)
• M17: 11,487,321 km (0.082 R)
• M18: 12,270,466 km (0.067 R)
• M19: 14,077,309 km (0.094 R)
• M20: 16,202,347 km (0.094 R)
• M21: 16,651,589 km (0.077 R)
• M22: 17,890,260 km (0.036 R)
• M23: 18,129,317 km (0.116 R)
• M24: 28,327,853 km (0.084 R)
• M25: 32,390,183 km (0.11 R)
• M26: 32,983,488 km (0.105 R)
• M27: 34,069,569 km (0.082 R)
• M28: 34,436,831 km (0.095 R)
• M29: 34,683,070 km (0.094 R)
• M30: 47,632,261 km (0.096 R)
• M31: 51,389,113 km (0.119 R)
• M32: 55,002,051 km (0.104 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 14,473 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit