🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.7

Radius: 13.6

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.5 AU - 0.82 AU

Year: 377 Days

Day: 8.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,573,375 km

• M1: 169,195 km (0.037 R)
• M2: 691,441 km (0.047 R)
• M3: 1,184,067 km (0.088 R)
• M4: 1,638,545 km (0.058 R)
• M5: 2,080,458 km (0.049 R)
• M6: 2,593,728 km (0.089 R)
• M7: 3,073,339 km (0.12 R)
• M8: 3,636,126 km (0.117 R)
• M9: 4,240,800 km (0.076 R)
• M10: 4,985,798 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.9

Radius: 13.8

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.84 AU - 1.34 AU

Year: 800 Days

Day: 9.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,573,375 km

• M1: 171,738 km (0.071 R)
• M2: 639,531 km (0.075 R)
• M3: 1,086,829 km (0.089 R)
• M4: 2,043,058 km (0.116 R)
• M5: 3,310,900 km (0.116 R)
• M6: 3,957,612 km (0.106 R)
• M7: 4,591,607 km (0.062 R)
• M8: 5,205,707 km (0.102 R)
• M9: 5,949,657 km (0.105 R)
• M10: 6,437,346 km (0.117 R)
• M11: 7,515,947 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.8

Radius: 8.8

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.43 AU - 1.45 AU

Year: 1215 Days

Day: 10.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 27,573,375 km

• M1: 109,506 km (0.116 R)
• M2: 473,328 km (0.104 R)
• M3: 1,146,817 km (0.079 R)
• M4: 1,747,602 km (0.089 R)
• M5: 2,139,549 km (0.101 R)
• M6: 3,442,397 km (0.089 R)
• M7: 3,831,949 km (0.103 R)
• M8: 4,250,674 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.4

Radius: 9.8

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.44 AU - 1.98 AU

Year: 1572 Days

Day: 14.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,573,375 km

• M1: 121,922 km (0.09 R)
• M2: 428,000 km (0.095 R)
• M3: 845,527 km (0.082 R)
• M4: 1,311,076 km (0.076 R)
• M5: 1,638,845 km (0.116 R)
• M6: 2,056,372 km (0.066 R)
• M7: 2,373,370 km (0.068 R)
• M8: 2,837,872 km (0.108 R)
• M9: 3,394,974 km (0.12 R)
• M10: 3,949,982 km (0.1 R)
• M11: 5,044,590 km (0.096 R)
• M12: 5,627,573 km (0.074 R)
• M13: 6,180,187 km (0.104 R)
• M14: 7,062,964 km (0.06 R)
• M15: 8,603,523 km (0.096 R)
• M16: 9,502,457 km (0.104 R)
• M17: 10,498,031 km (0.115 R)
• M18: 10,893,418 km (0.071 R)
• M19: 12,022,433 km (0.078 R)
• M20: 12,857,937 km (0.111 R)
• M21: 13,227,743 km (0.062 R)
• M22: 14,292,132 km (0.118 R)
• M23: 15,229,662 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.1

Radius: 13.2

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.73 AU - 2.41 AU

Year: 2093 Days

Day: 5.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,573,375 km

• M1: 164,857 km (0.108 R)
• M2: 762,351 km (0.104 R)
• M3: 1,188,405 km (0.083 R)
• M4: 1,876,705 km (0.095 R)
• M5: 2,364,993 km (0.086 R)
• M6: 2,923,442 km (0.057 R)
• M7: 3,399,013 km (0.096 R)
• M8: 5,304,890 km (0.101 R)
• M9: 6,168,070 km (0.093 R)
• M10: 8,143,061 km (0.062 R)
• M11: 9,870,767 km (0.107 R)
• M12: 10,365,487 km (0.116 R)
• M13: 11,910,085 km (0.11 R)
• M14: 13,092,058 km (0.099 R)
• M15: 14,711,754 km (0.116 R)
• M16: 16,461,301 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556

Radius: 10.8

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.82 AU - 2.4 AU

Year: 2154 Days

Day: 8.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 27,573,375 km

• M1: 139,575 km (0.108 R)
• M2: 495,468 km (0.077 R)
• M3: 890,257 km (0.119 R)
• M4: 1,357,601 km (0.111 R)
• M5: 1,896,602 km (0.11 R)
• M6: 3,423,547 km (0.066 R)
• M7: 4,490,180 km (0.071 R)
• M8: 5,034,866 km (0.031 R)
• M9: 5,529,885 km (0.095 R)
• M10: 6,856,669 km (0.093 R)
• M11: 8,665,457 km (0.112 R)
• M12: 12,909,997 km (0.09 R)
• M13: 16,068,756 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.7

Radius: 14.1

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.74 AU - 5.08 AU

Year: 6510 Days

Day: 9.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,573,375 km

• M1: 177,124 km (0.1 R)
• M2: 624,272 km (0.056 R)
• M3: 1,370,316 km (0.069 R)
• M4: 1,876,705 km (0.044 R)
• M5: 2,323,405 km (0.105 R)
• M6: 2,790,299 km (0.097 R)
• M7: 3,458,254 km (0.082 R)
• M8: 4,370,801 km (0.111 R)
• M9: 5,143,175 km (0.088 R)
• M10: 6,063,800 km (0.111 R)
• M11: 6,579,464 km (0.115 R)
• M12: 7,527,166 km (0.068 R)
• M13: 10,487,110 km (0.079 R)
• M14: 11,595,780 km (0.071 R)
• M15: 12,249,971 km (0.038 R)
• M16: 13,889,863 km (0.086 R)
• M17: 18,279,364 km (0.102 R)
• M18: 20,348,901 km (0.067 R)
• M19: 21,509,930 km (0.077 R)
• M20: 24,643,257 km (0.1 R)
• M21: 26,358,846 km (0.088 R)
• M22: 27,491,302 km (0.109 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: 364 - 11,849 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit