🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.1

Radius: 9.9

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.65 AU - 0.89 AU

Year: 443 Days

Day: 11.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,796,280 km

• M1: 123,119 km (0.064 R)
• M2: 445,802 km (0.09 R)
• M3: 813,214 km (0.09 R)
• M4: 1,165,517 km (0.068 R)
• M5: 1,489,247 km (0.092 R)
• M6: 2,013,737 km (0.036 R)
• M7: 2,630,379 km (0.105 R)
• M8: 2,993,603 km (0.113 R)
• M9: 3,390,187 km (0.108 R)
• M10: 4,088,061 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.7

Radius: 14.6

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.95 AU - 1.01 AU

Year: 636 Days

Day: 11.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,796,280 km

• M1: 181,612 km (0.102 R)
• M2: 663,317 km (0.084 R)
• M3: 1,607,878 km (0.095 R)
• M4: 2,418,100 km (0.095 R)
• M5: 3,408,438 km (0.071 R)
• M6: 4,023,435 km (0.108 R)
• M7: 4,669,099 km (0.04 R)
• M8: 5,137,640 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.7

Radius: 14.6

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.97 AU - 2.39 AU

Year: 2112 Days

Day: 12.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,796,280 km

• M1: 181,612 km (0.059 R)
• M2: 673,190 km (0.085 R)
• M3: 1,157,439 km (0.11 R)
• M4: 1,671,457 km (0.077 R)
• M5: 2,132,069 km (0.12 R)
• M6: 2,799,275 km (0.025 R)
• M7: 3,555,193 km (0.025 R)
• M8: 4,043,630 km (0.107 R)
• M9: 4,557,948 km (0.066 R)
• M10: 5,220,367 km (0.101 R)
• M11: 6,789,499 km (0.077 R)
• M12: 7,493,208 km (0.064 R)
• M13: 9,170,050 km (0.084 R)
• M14: 11,050,496 km (0.076 R)
• M15: 13,454,982 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.5

Radius: 10.9

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.94 AU - 4.58 AU

Year: 5768 Days

Day: 10.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,796,280 km

• M1: 179,218 km (0.102 R)
• M2: 613,202 km (0.071 R)
• M3: 1,618,051 km (0.096 R)
• M4: 2,579,516 km (0.103 R)
• M5: 3,568,208 km (0.083 R)
• M6: 7,163,943 km (0.115 R)
• M7: 8,806,378 km (0.113 R)
• M8: 9,520,408 km (0.118 R)
• M9: 10,455,246 km (0.03 R)
• M10: 11,745,826 km (0.099 R)
• M11: 12,300,984 km (0.065 R)
• M12: 15,403,195 km (0.069 R)
• M13: 17,263,145 km (0.117 R)
• M14: 18,180,480 km (0.067 R)
• M15: 18,651,264 km (0.113 R)
• M16: 19,337,769 km (0.085 R)
• M17: 22,101,290 km (0.045 R)
• M18: 23,182,733 km (0.1 R)
• M19: 24,461,346 km (0.114 R)
• M20: 26,984,614 km (0.056 R)
• M21: 29,215,866 km (0.118 R)
• M22: 30,423,569 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.7

Radius: 8.8

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.77 AU - 4.83 AU

Year: 5849 Days

Day: 13.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,796,280 km

• M1: 116,986 km (0.109 R)
• M2: 430,991 km (0.098 R)
• M3: 3,750,718 km (0.116 R)
• M4: 5,408,113 km (0.074 R)
• M5: 7,680,355 km (0.102 R)
• M6: 9,756,025 km (0.098 R)
• M7: 10,049,985 km (0.119 R)
• M8: 13,427,755 km (0.05 R)
• M9: 14,109,323 km (0.095 R)
• M10: 15,258,684 km (0.103 R)
• M11: 16,000,839 km (0.059 R)
• M12: 19,145,984 km (0.083 R)
• M13: 24,640,415 km (0.071 R)
• M14: 26,061,445 km (0.082 R)
• M15: 28,209,222 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 474.9

Radius: 3.2

Gravity: 46.38 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 8.92 AU - 10.44 AU

Year: 19757 Days

Day: 21.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 66,796,280 km

• M1: 40,242 km (0.081 R)
• M2: 534,812 km (0.055 R)
• M3: 851,960 km (0.081 R)
• M4: 1,082,939 km (0.114 R)
• M5: 1,736,233 km (0.114 R)
• M6: 2,352,576 km (0.089 R)
• M7: 2,504,867 km (0.059 R)
• M8: 3,259,438 km (0.101 R)
• M9: 3,504,181 km (0.077 R)
• M10: 4,091,801 km (0.031 R)
• M11: 5,092,461 km (0.115 R)
• M12: 6,838,717 km (0.112 R)
• M13: 7,608,697 km (0.089 R)
• M14: 9,535,069 km (0.052 R)
• M15: 9,810,479 km (0.081 R)
• M16: 11,638,116 km (0.065 R)
• M17: 18,885,235 km (0.117 R)
• M18: 21,309,169 km (0.074 R)
• M19: 24,543,475 km (0.109 R)
• M20: 27,643,143 km (0.045 R)
• M21: 33,709,038 km (0.029 R)
• M22: 38,486,895 km (0.06 R)
• M23: 46,155,581 km (0.095 R)
• M24: 47,259,912 km (0.033 R)
• M25: 50,844,726 km (0.098 R)
• M26: 53,217,947 km (0.095 R)
• M27: 57,637,367 km (0.095 R)
• M28: 58,001,189 km (0.115 R)
• M29: 66,197,207 km (0.109 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 15,310 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit