🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.3

Radius: 8.5

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.69 AU - 0.73 AU

Year: 413 Days

Day: 6.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,736,835 km

• M1: 106,065 km (0.105 R)
• M2: 371,601 km (0.096 R)
• M3: 669,301 km (0.113 R)
• M4: 1,162,525 km (0.057 R)
• M5: 1,591,721 km (0.109 R)
• M6: 2,169,917 km (0.08 R)
• M7: 2,825,006 km (0.07 R)
• M8: 3,194,064 km (0.075 R)
• M9: 3,584,066 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.1

Radius: 13.9

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.05 AU - 2.27 AU

Year: 2191 Days

Day: 8.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,736,835 km

• M1: 172,935 km (0.076 R)
• M2: 721,062 km (0.038 R)
• M3: 1,189,303 km (0.117 R)
• M4: 1,989,352 km (0.071 R)
• M5: 3,206,331 km (0.102 R)
• M6: 3,742,939 km (0.04 R)
• M7: 7,035,887 km (0.12 R)
• M8: 7,482,736 km (0.072 R)
• M9: 9,185,459 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.1

Radius: 10.2

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 4.03 AU - 4.95 AU

Year: 6567 Days

Day: 7.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,736,835 km

• M1: 128,355 km (0.074 R)
• M2: 503,098 km (0.095 R)
• M3: 956,978 km (0.098 R)
• M4: 1,291,628 km (0.05 R)
• M5: 2,030,941 km (0.043 R)
• M6: 2,578,618 km (0.119 R)
• M7: 3,724,538 km (0.065 R)
• M8: 4,465,796 km (0.119 R)
• M9: 4,886,315 km (0.08 R)
• M10: 6,517,830 km (0.106 R)
• M11: 7,060,272 km (0.089 R)
• M12: 8,071,553 km (0.119 R)
• M13: 9,811,975 km (0.111 R)
• M14: 11,529,059 km (0.083 R)
• M15: 13,153,094 km (0.08 R)
• M16: 18,221,320 km (0.048 R)
• M17: 20,722,297 km (0.092 R)
• M18: 24,032,150 km (0.116 R)
• M19: 25,326,321 km (0.093 R)
• M20: 31,985,820 km (0.097 R)
• M21: 35,495,087 km (0.099 R)
• M22: 36,494,999 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.4

Radius: 5.5

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.55 AU - 10.49 AU

Year: 18699 Days

Day: 15.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,736,835 km

• M1: 69,713 km (0.113 R)
• M2: 359,484 km (0.088 R)
• M3: 1,535,173 km (0.08 R)
• M4: 1,902,735 km (0.118 R)
• M5: 2,190,262 km (0.093 R)
• M6: 2,362,150 km (0.079 R)
• M7: 2,792,394 km (0.071 R)
• M8: 4,815,406 km (0.034 R)
• M9: 6,056,320 km (0.118 R)
• M10: 6,859,212 km (0.092 R)
• M11: 9,106,920 km (0.106 R)
• M12: 9,691,399 km (0.042 R)
• M13: 10,492,944 km (0.089 R)
• M14: 12,280,639 km (0.119 R)
• M15: 14,381,442 km (0.108 R)
• M16: 16,909,197 km (0.113 R)
• M17: 22,098,747 km (0.119 R)
• M18: 23,565,105 km (0.05 R)
• M19: 23,815,682 km (0.047 R)
• M20: 26,509,790 km (0.087 R)
• M21: 27,420,392 km (0.079 R)
• M22: 28,540,581 km (0.116 R)
• M23: 32,804,719 km (0.1 R)
• M24: 34,817,109 km (0.101 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: 538 - 12,162 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit