🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.1

Radius: 14.2

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.41 AU - 0.61 AU

Year: 247 Days

Day: 13.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 52,933,516 km

• M1: 176,675 km (0.115 R)
• M2: 956,828 km (0.096 R)
• M3: 1,409,062 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.7

Radius: 13.3

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.45 AU - 0.65 AU

Year: 277 Days

Day: 12 Hours

Environment

Temp: -152 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,933,516 km

• M1: 165,455 km (0.102 R)
• M2: 633,846 km (0.104 R)
• M3: 1,251,237 km (0.045 R)
• M4: 1,810,134 km (0.116 R)
• M5: 2,326,546 km (0.074 R)
• M6: 2,841,911 km (0.057 R)
• M7: 3,453,766 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.4

Radius: 8.7

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.74 AU - 0.88 AU

Year: 494 Days

Day: 11.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,933,516 km

• M1: 108,159 km (0.115 R)
• M2: 441,763 km (0.104 R)
• M3: 737,069 km (0.11 R)
• M4: 1,016,518 km (0.068 R)
• M5: 1,516,922 km (0.063 R)
• M6: 1,855,163 km (0.107 R)
• M7: 2,587,146 km (0.117 R)
• M8: 2,880,657 km (0.067 R)
• M9: 3,487,276 km (0.089 R)
• M10: 4,244,690 km (0.082 R)
• M11: 5,123,129 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.8

Radius: 12.6

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.89 AU - 1.03 AU

Year: 638 Days

Day: 7.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,933,516 km

• M1: 159,471 km (0.086 R)
• M2: 570,267 km (0.097 R)
• M3: 1,239,867 km (0.095 R)
• M4: 1,652,458 km (0.116 R)
• M5: 2,174,854 km (0.087 R)
• M6: 2,747,215 km (0.103 R)
• M7: 3,629,843 km (0.108 R)
• M8: 4,426,451 km (0.046 R)
• M9: 4,910,999 km (0.117 R)
• M10: 5,399,286 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224

Radius: 9.1

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.1 AU - 1.16 AU

Year: 815 Days

Day: 13.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,933,516 km

• M1: 113,096 km (0.069 R)
• M2: 424,260 km (0.098 R)
• M3: 749,785 km (0.118 R)
• M4: 1,171,800 km (0.047 R)
• M5: 1,651,261 km (0.113 R)
• M6: 2,203,128 km (0.064 R)
• M7: 2,502,922 km (0.091 R)
• M8: 3,015,743 km (0.093 R)
• M9: 3,399,462 km (0.089 R)
• M10: 3,685,942 km (0.095 R)
• M11: 4,365,266 km (0.09 R)
• M12: 6,097,160 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.9

Radius: 10.1

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.59 AU - 1.59 AU

Year: 1360 Days

Day: 9.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,933,516 km

• M1: 126,410 km (0.094 R)
• M2: 607,816 km (0.071 R)
• M3: 939,624 km (0.117 R)
• M4: 1,349,672 km (0.065 R)
• M5: 1,948,363 km (0.093 R)
• M6: 2,577,571 km (0.111 R)
• M7: 4,598,339 km (0.035 R)
• M8: 5,778,068 km (0.032 R)
• M9: 7,148,833 km (0.068 R)
• M10: 9,428,406 km (0.071 R)
• M11: 10,424,279 km (0.084 R)
• M12: 11,182,291 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910.1

Radius: 5.9

Gravity: 26.14 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 5.25 AU - 6.83 AU

Year: 10068 Days

Day: 20.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,933,516 km

• M1: 73,453 km (0.109 R)
• M2: 361,578 km (0.034 R)
• M3: 628,610 km (0.09 R)
• M4: 919,279 km (0.052 R)
• M5: 1,757,177 km (0.116 R)
• M6: 2,132,667 km (0.089 R)
• M7: 3,089,944 km (0.081 R)
• M8: 4,576,199 km (0.118 R)
• M9: 4,762,897 km (0.12 R)
• M10: 6,881,053 km (0.051 R)
• M11: 9,607,325 km (0.097 R)
• M12: 10,070,181 km (0.055 R)
• M13: 12,130,742 km (0.118 R)
• M14: 13,800,852 km (0.086 R)
• M15: 14,456,540 km (0.109 R)
• M16: 14,927,624 km (0.104 R)
• M17: 18,516,925 km (0.074 R)
• M18: 19,639,358 km (0.112 R)
• M19: 20,133,929 km (0.09 R)
• M20: 20,468,280 km (0.043 R)
• M21: 20,721,549 km (0.108 R)
• M22: 22,913,307 km (0.083 R)
• M23: 23,831,689 km (0.069 R)
• M24: 27,957,897 km (0.076 R)
• M25: 28,478,647 km (0.062 R)
• M26: 30,517,068 km (0.072 R)
• M27: 31,069,234 km (0.115 R)
• M28: 32,079,917 km (0.107 R)
• M29: 32,996,503 km (0.058 R)
• M30: 36,589,545 km (0.087 R)
• M31: 40,302,564 km (0.106 R)
• M32: 50,436,623 km (0.102 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 12,366 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit