🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810

Radius: 8.1

Gravity: 12.35 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.42 AU - 0.68 AU

Year: 277 Days

Day: 6.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,005,142 km

• M1: 100,829 km (0.054 R)
• M2: 363,672 km (0.096 R)
• M3: 688,300 km (0.091 R)
• M4: 967,599 km (0.112 R)
• M5: 1,398,890 km (0.09 R)
• M6: 1,829,133 km (0.087 R)
• M7: 2,107,535 km (0.116 R)
• M8: 2,798,677 km (0.115 R)
• M9: 3,128,989 km (0.111 R)
• M10: 4,138,775 km (0.117 R)
• M11: 4,555,255 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.3

Radius: 13.3

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.44 AU - 0.72 AU

Year: 300 Days

Day: 8.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 64,005,142 km

• M1: 165,455 km (0.057 R)
• M2: 728,242 km (0.109 R)
• M3: 1,141,881 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.7

Radius: 14.2

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.69 AU - 0.71 AU

Year: 397 Days

Day: 10.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,005,142 km

• M1: 176,525 km (0.087 R)
• M2: 669,002 km (0.091 R)
• M3: 1,140,534 km (0.114 R)
• M4: 1,583,045 km (0.057 R)
• M5: 2,109,031 km (0.098 R)
• M6: 2,967,723 km (0.054 R)
• M7: 3,483,985 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179

Radius: 14.9

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.74 AU - 0.86 AU

Year: 485 Days

Day: 7.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,005,142 km

• M1: 186,100 km (0.083 R)
• M2: 720,015 km (0.062 R)
• M3: 1,371,663 km (0.118 R)
• M4: 2,075,222 km (0.101 R)
• M5: 2,819,471 km (0.096 R)
• M6: 3,575,090 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.1

Radius: 14.9

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.01 AU - 2.07 AU

Year: 1976 Days

Day: 6.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,005,142 km

• M1: 185,352 km (0.048 R)
• M2: 905,815 km (0.063 R)
• M3: 1,462,020 km (0.112 R)
• M4: 1,951,803 km (0.11 R)
• M5: 2,452,807 km (0.115 R)
• M6: 2,983,281 km (0.079 R)
• M7: 3,639,567 km (0.119 R)
• M8: 4,135,484 km (0.115 R)
• M9: 5,949,507 km (0.077 R)
• M10: 6,592,928 km (0.118 R)
• M11: 7,125,197 km (0.092 R)
• M12: 11,017,734 km (0.115 R)
• M13: 13,497,318 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.4

Radius: 10.6

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.91 AU - 4.39 AU

Year: 5734 Days

Day: 7.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,005,142 km

• M1: 131,945 km (0.073 R)
• M2: 470,037 km (0.041 R)
• M3: 944,860 km (0.088 R)
• M4: 1,679,834 km (0.067 R)
• M5: 3,093,983 km (0.107 R)
• M6: 3,746,828 km (0.042 R)
• M7: 6,199,785 km (0.066 R)
• M8: 6,567,646 km (0.05 R)
• M9: 7,274,346 km (0.117 R)
• M10: 9,349,418 km (0.107 R)
• M11: 10,060,457 km (0.102 R)
• M12: 10,807,249 km (0.055 R)
• M13: 11,292,395 km (0.055 R)
• M14: 11,995,954 km (0.119 R)
• M15: 12,997,362 km (0.096 R)
• M16: 15,774,497 km (0.033 R)
• M17: 16,910,992 km (0.084 R)
• M18: 17,631,904 km (0.095 R)
• M19: 18,441,528 km (0.102 R)
• M20: 19,135,064 km (0.075 R)
• M21: 22,945,321 km (0.093 R)
• M22: 23,666,533 km (0.055 R)
• M23: 25,749,234 km (0.085 R)
• M24: 29,425,004 km (0.062 R)
• M25: 30,659,934 km (0.098 R)
• M26: 31,241,421 km (0.069 R)
• M27: 32,127,340 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.4

Radius: 6.6

Gravity: 19.68 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.86 AU - 9.04 AU

Year: 13792 Days

Day: 18.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,005,142 km

• M1: 82,877 km (0.108 R)
• M2: 430,543 km (0.07 R)
• M3: 657,333 km (0.095 R)
• M4: 1,167,163 km (0.085 R)
• M5: 1,790,836 km (0.065 R)
• M6: 2,061,010 km (0.068 R)
• M7: 2,463,877 km (0.088 R)
• M8: 2,893,821 km (0.081 R)
• M9: 3,241,786 km (0.115 R)
• M10: 3,787,070 km (0.08 R)
• M11: 4,081,778 km (0.095 R)
• M12: 5,601,842 km (0.075 R)
• M13: 6,426,575 km (0.098 R)
• M14: 7,195,807 km (0.072 R)
• M15: 7,695,015 km (0.1 R)
• M16: 9,279,257 km (0.069 R)
• M17: 11,188,126 km (0.114 R)
• M18: 11,611,338 km (0.069 R)
• M19: 12,425,599 km (0.076 R)
• M20: 12,683,655 km (0.084 R)
• M21: 16,760,646 km (0.086 R)
• M22: 18,880,598 km (0.082 R)
• M23: 19,480,485 km (0.042 R)
• M24: 23,545,807 km (0.093 R)
• M25: 26,620,492 km (0.093 R)
• M26: 29,151,539 km (0.029 R)
• M27: 29,493,071 km (0.1 R)
• M28: 37,969,585 km (0.097 R)
• M29: 42,320,938 km (0.045 R)
• M30: 44,994,103 km (0.095 R)
• M31: 46,063,428 km (0.075 R)
• M32: 46,993,329 km (0.04 R)
• M33: 53,856,281 km (0.092 R)
• M34: 54,198,710 km (0.067 R)
• M35: 60,245,905 km (0.083 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: 451 - 17,768 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit