🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.9

Radius: 10.4

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.64 AU - 0.82 AU

Year: 409 Days

Day: 7 Hours

Environment

Temp: -133 °C

Axial Tilt: 66.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 42,814,669 km

• M1: 130,150 km (0.072 R)
• M2: 519,853 km (0.053 R)
• M3: 933,192 km (0.082 R)
• M4: 1,973,196 km (0.099 R)
• M5: 2,316,523 km (0.117 R)
• M6: 2,731,208 km (0.105 R)
• M7: 3,495,953 km (0.081 R)
• M8: 3,895,379 km (0.062 R)
• M9: 4,514,864 km (0.117 R)
• M10: 5,133,900 km (0.058 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.6

Radius: 13.6

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.11 AU - 1.37 AU

Year: 906 Days

Day: 13.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,814,669 km

• M1: 172,636 km (0.118 R)
• M2: 696,079 km (0.065 R)
• M3: 1,235,080 km (0.037 R)
• M4: 1,808,788 km (0.115 R)
• M5: 2,248,606 km (0.065 R)
• M6: 3,078,425 km (0.087 R)
• M7: 4,334,449 km (0.116 R)
• M8: 4,894,543 km (0.085 R)
• M9: 6,443,330 km (0.082 R)
• M10: 9,165,413 km (0.098 R)
• M11: 9,854,909 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.7

Radius: 13.1

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.22 AU - 1.36 AU

Year: 961 Days

Day: 5.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,814,669 km

• M1: 162,912 km (0.059 R)
• M2: 584,928 km (0.092 R)
• M3: 1,072,318 km (0.074 R)
• M4: 1,548,039 km (0.096 R)
• M5: 2,318,617 km (0.118 R)
• M6: 2,798,976 km (0.075 R)
• M7: 3,238,943 km (0.097 R)
• M8: 3,813,549 km (0.091 R)
• M9: 4,373,344 km (0.042 R)
• M10: 4,881,528 km (0.111 R)
• M11: 5,410,057 km (0.091 R)
• M12: 5,976,734 km (0.077 R)
• M13: 6,889,730 km (0.099 R)
• M14: 7,321,918 km (0.117 R)
• M15: 8,728,587 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.1

Radius: 9.6

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.32 AU - 2.04 AU

Year: 1428 Days

Day: 8 Hours

Environment

Temp: -180 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,814,669 km

• M1: 119,379 km (0.076 R)
• M2: 440,267 km (0.04 R)
• M3: 924,365 km (0.044 R)
• M4: 1,321,847 km (0.062 R)
• M5: 2,056,223 km (0.081 R)
• M6: 2,481,829 km (0.094 R)
• M7: 3,683,249 km (0.064 R)
• M8: 5,034,118 km (0.082 R)
• M9: 5,595,559 km (0.074 R)
• M10: 6,408,623 km (0.119 R)
• M11: 6,711,110 km (0.087 R)
• M12: 8,970,337 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.4

Radius: 14.5

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.99 AU - 2.09 AU

Year: 1911 Days

Day: 10.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 42,814,669 km

• M1: 180,415 km (0.11 R)
• M2: 730,636 km (0.088 R)
• M3: 1,265,000 km (0.114 R)
• M4: 2,610,932 km (0.041 R)
• M5: 3,534,399 km (0.076 R)
• M6: 4,785,037 km (0.055 R)
• M7: 5,447,008 km (0.119 R)
• M8: 7,246,970 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.4

Radius: 14.1

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.37 AU - 4.37 AU

Year: 5993 Days

Day: 10.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,814,669 km

• M1: 175,329 km (0.113 R)
• M2: 618,587 km (0.088 R)
• M3: 1,761,365 km (0.064 R)
• M4: 2,629,631 km (0.112 R)
• M5: 3,327,206 km (0.079 R)
• M6: 3,768,071 km (0.025 R)
• M7: 5,114,602 km (0.059 R)
• M8: 5,705,962 km (0.075 R)
• M9: 6,319,912 km (0.11 R)
• M10: 6,809,097 km (0.115 R)
• M11: 9,738,223 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.5

Radius: 6

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 5.26 AU - 6.98 AU

Year: 9932 Days

Day: 23.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,814,669 km

• M1: 74,799 km (0.08 R)
• M2: 269,575 km (0.088 R)
• M3: 609,462 km (0.107 R)
• M4: 1,107,772 km (0.101 R)
• M5: 1,438,683 km (0.041 R)
• M6: 1,939,836 km (0.097 R)
• M7: 2,164,532 km (0.03 R)
• M8: 2,359,906 km (0.056 R)
• M9: 3,054,938 km (0.083 R)
• M10: 3,520,636 km (0.094 R)
• M11: 7,128,039 km (0.113 R)
• M12: 9,052,167 km (0.095 R)
• M13: 13,182,864 km (0.115 R)
• M14: 13,940,876 km (0.097 R)
• M15: 14,147,770 km (0.05 R)
• M16: 15,268,108 km (0.11 R)
• M17: 15,598,869 km (0.099 R)
• M18: 16,103,762 km (0.103 R)
• M19: 17,443,710 km (0.108 R)
• M20: 19,817,679 km (0.112 R)
• M21: 22,116,998 km (0.093 R)
• M22: 23,916,960 km (0.111 R)
• M23: 24,363,060 km (0.062 R)
• M24: 25,890,305 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.6

Radius: 3.8

Gravity: 33.28 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 6.04 AU - 6.32 AU

Year: 10078 Days

Day: 19.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 42,814,669 km

• M1: 47,423 km (0.091 R)
• M2: 616,642 km (0.081 R)
• M3: 889,060 km (0.083 R)
• M4: 1,803,402 km (0.082 R)
• M5: 2,973,258 km (0.108 R)
• M6: 4,866,269 km (0.11 R)
• M7: 5,522,555 km (0.12 R)
• M8: 5,854,961 km (0.103 R)
• M9: 6,856,669 km (0.063 R)
• M10: 7,679,307 km (0.117 R)
• M11: 9,192,939 km (0.066 R)
• M12: 11,846,506 km (0.032 R)
• M13: 12,120,569 km (0.098 R)
• M14: 13,914,248 km (0.092 R)
• M15: 17,802,595 km (0.098 R)
• M16: 18,234,484 km (0.05 R)
• M17: 29,291,562 km (0.113 R)
• M18: 30,605,331 km (0.118 R)
• M19: 31,537,475 km (0.117 R)
• M20: 37,649,147 km (0.087 R)
• M21: 42,303,585 km (0.089 R)
• M22: 42,430,893 km (0.059 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 14,116 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit