🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.2

Radius: 9.4

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.52 AU - 0.56 AU

Year: 265 Days

Day: 11.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,581,225 km

• M1: 117,734 km (0.119 R)
• M2: 457,171 km (0.091 R)
• M3: 825,631 km (0.078 R)
• M4: 1,195,137 km (0.081 R)
• M5: 1,604,288 km (0.06 R)
• M6: 1,906,326 km (0.097 R)
• M7: 2,487,364 km (0.098 R)
• M8: 2,829,494 km (0.078 R)
• M9: 3,531,707 km (0.087 R)
• M10: 3,836,587 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.5

Radius: 8.1

Gravity: 8.73 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.71 AU - 1.05 AU

Year: 550 Days

Day: 8.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,581,225 km

• M1: 100,679 km (0.112 R)
• M2: 423,960 km (0.03 R)
• M3: 679,174 km (0.065 R)
• M4: 979,417 km (0.103 R)
• M5: 1,317,359 km (0.063 R)
• M6: 1,818,961 km (0.109 R)
• M7: 2,232,449 km (0.093 R)
• M8: 2,958,298 km (0.082 R)
• M9: 3,369,842 km (0.115 R)
• M10: 4,278,798 km (0.068 R)
• M11: 5,426,812 km (0.035 R)
• M12: 6,192,604 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.5

Radius: 13.8

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.85 AU - 1.09 AU

Year: 637 Days

Day: 7 Hours

Environment

Temp: -165 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,581,225 km

• M1: 171,589 km (0.047 R)
• M2: 673,639 km (0.068 R)
• M3: 1,217,427 km (0.087 R)
• M4: 1,847,085 km (0.115 R)
• M5: 2,344,348 km (0.104 R)
• M6: 3,101,313 km (0.068 R)
• M7: 3,812,502 km (0.11 R)
• M8: 4,254,563 km (0.071 R)
• M9: 4,878,087 km (0.061 R)
• M10: 5,513,430 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.6

Radius: 8.5

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.13 AU - 1.37 AU

Year: 932 Days

Day: 6 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,581,225 km

• M1: 105,766 km (0.112 R)
• M2: 398,379 km (0.12 R)
• M3: 664,364 km (0.044 R)
• M4: 953,088 km (0.112 R)
• M5: 1,261,559 km (0.101 R)
• M6: 1,606,382 km (0.046 R)
• M7: 1,934,001 km (0.092 R)
• M8: 2,306,051 km (0.087 R)
• M9: 2,648,481 km (0.062 R)
• M10: 3,096,975 km (0.042 R)
• M11: 3,449,428 km (0.111 R)
• M12: 3,800,684 km (0.055 R)
• M13: 4,160,915 km (0.116 R)
• M14: 4,703,207 km (0.097 R)
• M15: 5,067,777 km (0.094 R)
• M16: 5,816,365 km (0.078 R)
• M17: 6,555,229 km (0.115 R)
• M18: 6,821,962 km (0.074 R)
• M19: 7,289,904 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.4

Radius: 11.4

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.38 AU - 1.62 AU

Year: 1225 Days

Day: 13.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,581,225 km

• M1: 141,819 km (0.118 R)
• M2: 533,915 km (0.067 R)
• M3: 1,190,949 km (0.063 R)
• M4: 1,610,122 km (0.067 R)
• M5: 2,096,165 km (0.102 R)
• M6: 2,847,595 km (0.074 R)
• M7: 3,611,891 km (0.101 R)
• M8: 3,983,941 km (0.088 R)
• M9: 4,960,067 km (0.115 R)
• M10: 5,737,826 km (0.103 R)
• M11: 6,315,424 km (0.081 R)
• M12: 6,785,909 km (0.068 R)
• M13: 7,561,424 km (0.072 R)
• M14: 8,848,864 km (0.117 R)
• M15: 10,245,061 km (0.076 R)
• M16: 10,763,716 km (0.098 R)
• M17: 11,643,651 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.3

Radius: 14.5

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.64 AU - 2.26 AU

Year: 1816 Days

Day: 7.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,581,225 km

• M1: 180,415 km (0.074 R)
• M2: 813,364 km (0.117 R)
• M3: 1,392,756 km (0.043 R)
• M4: 2,211,206 km (0.118 R)
• M5: 2,868,838 km (0.119 R)
• M6: 3,383,305 km (0.055 R)
• M7: 6,020,118 km (0.119 R)
• M8: 7,144,944 km (0.115 R)
• M9: 7,860,919 km (0.108 R)
• M10: 9,879,144 km (0.086 R)
• M11: 10,879,356 km (0.041 R)
• M12: 11,480,589 km (0.054 R)
• M13: 13,503,601 km (0.084 R)
• M14: 14,110,520 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.6

Radius: 4.4

Gravity: 10.72 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.31 AU - 11.93 AU

Year: 21468 Days

Day: 15.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,581,225 km

• M1: 55,501 km (0.113 R)
• M2: 439,519 km (0.06 R)
• M3: 664,364 km (0.104 R)
• M4: 1,096,552 km (0.108 R)
• M5: 1,280,857 km (0.071 R)
• M6: 1,909,168 km (0.036 R)
• M7: 2,103,346 km (0.055 R)
• M8: 2,291,091 km (0.082 R)
• M9: 3,133,178 km (0.085 R)
• M10: 3,278,886 km (0.077 R)
• M11: 7,030,502 km (0.084 R)
• M12: 7,281,078 km (0.059 R)
• M13: 7,451,470 km (0.081 R)
• M14: 9,657,739 km (0.118 R)
• M15: 11,103,902 km (0.111 R)
• M16: 12,627,257 km (0.074 R)
• M17: 16,370,794 km (0.078 R)
• M18: 18,651,414 km (0.093 R)
• M19: 19,050,990 km (0.074 R)
• M20: 20,452,572 km (0.031 R)
• M21: 22,098,597 km (0.086 R)
• M22: 23,366,589 km (0.081 R)
• M23: 25,358,185 km (0.069 R)
• M24: 26,345,232 km (0.053 R)
• M25: 33,510,222 km (0.097 R)
• M26: 38,172,141 km (0.114 R)
• M27: 38,686,608 km (0.054 R)
• M28: 44,939,948 km (0.111 R)
• M29: 45,802,230 km (0.052 R)
• M30: 46,822,039 km (0.12 R)
• M31: 50,587,866 km (0.105 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: 191 - 13,037 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit