🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.9

Radius: 12.8

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.49 AU - 0.59 AU

Year: 274 Days

Day: 10.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 62.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 85,036,768 km

• M1: 159,172 km (0.091 R)
• M2: 561,890 km (0.098 R)
• M3: 1,174,493 km (0.099 R)
• M4: 1,600,248 km (0.085 R)
• M5: 2,161,390 km (0.115 R)
• M6: 2,814,834 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.2

Radius: 14.3

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.34 AU - 1.4 AU

Year: 1107 Days

Day: 11.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,036,768 km

• M1: 177,872 km (0.092 R)
• M2: 696,976 km (0.036 R)
• M3: 1,325,587 km (0.049 R)
• M4: 2,100,354 km (0.116 R)
• M5: 2,842,210 km (0.065 R)
• M6: 4,142,963 km (0.044 R)
• M7: 5,257,019 km (0.089 R)
• M8: 7,010,306 km (0.074 R)
• M9: 7,529,261 km (0.114 R)
• M10: 8,073,947 km (0.092 R)
• M11: 9,213,583 km (0.051 R)
• M12: 10,082,597 km (0.038 R)
• M13: 10,713,302 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.2

Radius: 14

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.78 AU - 5.32 AU

Year: 7833 Days

Day: 6.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 97.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 85,036,768 km

• M1: 180,864 km (0.12 R)
• M2: 851,810 km (0.068 R)
• M3: 1,943,426 km (0.065 R)
• M4: 2,623,647 km (0.1 R)
• M5: 4,936,879 km (0.077 R)
• M6: 6,555,079 km (0.088 R)
• M7: 10,425,924 km (0.054 R)
• M8: 10,862,451 km (0.111 R)
• M9: 12,787,327 km (0.095 R)
• M10: 15,299,225 km (0.032 R)
• M11: 21,748,987 km (0.038 R)
• M12: 23,193,953 km (0.086 R)
• M13: 25,743,250 km (0.108 R)
• M14: 27,268,101 km (0.104 R)
• M15: 27,913,167 km (0.116 R)
• M16: 30,006,939 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.1

Radius: 4

Gravity: 44.19 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 4.87 AU - 6.89 AU

Year: 9842 Days

Day: 15.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 154.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 85,036,768 km

• M1: 49,816 km (0.118 R)
• M2: 253,269 km (0.108 R)
• M3: 539,001 km (0.116 R)
• M4: 762,500 km (0.115 R)
• M5: 1,329,626 km (0.089 R)
• M6: 1,770,491 km (0.045 R)
• M7: 2,803,464 km (0.101 R)
• M8: 3,000,634 km (0.078 R)
• M9: 4,619,732 km (0.089 R)
• M10: 4,957,673 km (0.07 R)
• M11: 5,344,982 km (0.102 R)
• M12: 5,999,024 km (0.105 R)
• M13: 7,929,435 km (0.115 R)
• M14: 8,777,655 km (0.107 R)
• M15: 9,537,612 km (0.044 R)
• M16: 10,652,715 km (0.111 R)
• M17: 11,406,090 km (0.068 R)
• M18: 11,627,644 km (0.089 R)
• M19: 15,642,701 km (0.072 R)
• M20: 18,371,815 km (0.113 R)
• M21: 18,752,991 km (0.1 R)
• M22: 19,295,433 km (0.071 R)
• M23: 19,689,174 km (0.037 R)
• M24: 21,570,218 km (0.119 R)
• M25: 28,530,558 km (0.096 R)
• M26: 30,611,165 km (0.072 R)
• M27: 31,039,015 km (0.075 R)
• M28: 34,838,801 km (0.098 R)
• M29: 35,894,214 km (0.096 R)
• M30: 38,937,184 km (0.115 R)
• M31: 40,073,380 km (0.086 R)
• M32: 43,884,835 km (0.117 R)
• M33: 46,087,663 km (0.089 R)
• M34: 46,649,702 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840

Radius: 7.9

Gravity: 13.46 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 8.17 AU - 11.53 AU

Year: 21339 Days

Day: 24.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 85,036,768 km

• M1: 98,286 km (0.117 R)
• M2: 479,760 km (0.108 R)
• M3: 747,690 km (0.048 R)
• M4: 1,091,765 km (0.119 R)
• M5: 2,085,245 km (0.096 R)
• M6: 3,320,175 km (0.117 R)
• M7: 3,708,830 km (0.094 R)
• M8: 4,613,299 km (0.101 R)
• M9: 5,412,900 km (0.062 R)
• M10: 6,213,099 km (0.079 R)
• M11: 6,526,955 km (0.063 R)
• M12: 7,786,719 km (0.103 R)
• M13: 8,205,144 km (0.12 R)
• M14: 8,693,581 km (0.11 R)
• M15: 10,214,094 km (0.11 R)
• M16: 12,319,085 km (0.048 R)
• M17: 13,177,927 km (0.1 R)
• M18: 13,547,434 km (0.116 R)
• M19: 15,911,230 km (0.098 R)
• M20: 16,929,243 km (0.072 R)
• M21: 17,720,765 km (0.114 R)
• M22: 18,814,326 km (0.073 R)
• M23: 21,949,448 km (0.102 R)
• M24: 22,468,852 km (0.106 R)
• M25: 24,964,444 km (0.115 R)
• M26: 27,518,828 km (0.063 R)
• M27: 30,885,677 km (0.076 R)
• M28: 37,827,467 km (0.088 R)
• M29: 43,261,460 km (0.113 R)
• M30: 57,587,700 km (0.095 R)
• M31: 61,812,195 km (0.06 R)
• M32: 66,671,133 km (0.081 R)
• M33: 72,463,413 km (0.111 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: 247 - 12,033 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit