🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.6

Radius: 11.2

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.73 AU - 0.87 AU

Year: 503 Days

Day: 8.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,986,579 km

• M1: 142,716 km (0.117 R)
• M2: 542,741 km (0.096 R)
• M3: 1,859,053 km (0.071 R)
• M4: 2,764,269 km (0.107 R)
• M5: 3,291,752 km (0.074 R)
• M6: 3,720,499 km (0.111 R)
• M7: 4,441,411 km (0.073 R)
• M8: 5,100,240 km (0.059 R)
• M9: 6,257,529 km (0.095 R)
• M10: 6,815,829 km (0.033 R)
• M11: 7,277,637 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.6

Radius: 9.8

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.89 AU - 1.27 AU

Year: 789 Days

Day: 8.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,986,579 km

• M1: 121,922 km (0.086 R)
• M2: 491,279 km (0.09 R)
• M3: 1,155,494 km (0.108 R)
• M4: 1,698,085 km (0.097 R)
• M5: 2,108,881 km (0.085 R)
• M6: 3,169,979 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.1

Radius: 8.9

Gravity: 12.42 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.39 AU - 1.41 AU

Year: 1164 Days

Day: 13.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,986,579 km

• M1: 110,852 km (0.077 R)
• M2: 442,211 km (0.089 R)
• M3: 1,260,362 km (0.116 R)
• M4: 1,633,459 km (0.077 R)
• M5: 2,090,630 km (0.1 R)
• M6: 2,416,754 km (0.045 R)
• M7: 2,710,115 km (0.102 R)
• M8: 3,446,735 km (0.086 R)
• M9: 3,736,805 km (0.097 R)
• M10: 4,311,111 km (0.116 R)
• M11: 4,648,455 km (0.093 R)
• M12: 5,701,324 km (0.112 R)
• M13: 6,780,673 km (0.054 R)
• M14: 7,212,263 km (0.063 R)
• M15: 8,853,800 km (0.113 R)
• M16: 9,400,730 km (0.073 R)
• M17: 9,841,595 km (0.1 R)
• M18: 11,852,639 km (0.08 R)
• M19: 12,367,256 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.3

Radius: 9.4

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.23 AU - 5.51 AU

Year: 8747 Days

Day: 9.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,986,579 km

• M1: 116,836 km (0.09 R)
• M2: 417,528 km (0.114 R)
• M3: 916,736 km (0.114 R)
• M4: 1,276,818 km (0.11 R)
• M5: 3,488,473 km (0.092 R)
• M6: 4,277,003 km (0.082 R)
• M7: 5,060,447 km (0.109 R)
• M8: 7,787,168 km (0.076 R)
• M9: 9,039,900 km (0.072 R)
• M10: 12,099,925 km (0.118 R)
• M11: 14,426,171 km (0.097 R)
• M12: 15,472,758 km (0.04 R)
• M13: 16,047,064 km (0.104 R)
• M14: 17,102,777 km (0.108 R)
• M15: 23,751,654 km (0.048 R)
• M16: 24,774,155 km (0.076 R)
• M17: 26,003,850 km (0.067 R)
• M18: 27,924,088 km (0.082 R)
• M19: 31,534,184 km (0.051 R)
• M20: 36,218,243 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 469.6

Radius: 5.5

Gravity: 15.52 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 9.46 AU - 10.54 AU

Year: 22228 Days

Day: 21.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,986,579 km

• M1: 69,563 km (0.114 R)
• M2: 253,269 km (0.083 R)
• M3: 453,880 km (0.086 R)
• M4: 626,665 km (0.091 R)
• M5: 1,233,135 km (0.104 R)
• M6: 2,537,180 km (0.071 R)
• M7: 3,830,753 km (0.089 R)
• M8: 4,845,924 km (0.103 R)
• M9: 5,358,745 km (0.097 R)
• M10: 6,578,417 km (0.099 R)
• M11: 10,654,660 km (0.105 R)
• M12: 15,065,403 km (0.119 R)
• M13: 16,152,830 km (0.076 R)
• M14: 16,472,820 km (0.058 R)
• M15: 18,921,288 km (0.114 R)
• M16: 19,727,920 km (0.074 R)
• M17: 21,602,082 km (0.098 R)
• M18: 28,624,655 km (0.105 R)
• M19: 29,926,007 km (0.086 R)
• M20: 30,774,376 km (0.035 R)
• M21: 34,066,278 km (0.057 R)
• M22: 34,725,107 km (0.104 R)
• M23: 37,725,292 km (0.074 R)
• M24: 38,288,677 km (0.105 R)
• M25: 45,972,174 km (0.057 R)
• M26: 47,918,292 km (0.088 R)
• M27: 53,198,948 km (0.056 R)
• M28: 55,524,147 km (0.042 R)
• M29: 56,436,246 km (0.091 R)
• M30: 61,729,317 km (0.08 R)
• M31: 62,511,415 km (0.099 R)
• M32: 62,905,007 km (0.08 R)
• M33: 66,521,536 km (0.076 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 17,598 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit