🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.4

Radius: 11.7

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.65 AU - 0.79 AU

Year: 407 Days

Day: 9.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,677,680 km

• M1: 145,858 km (0.097 R)
• M2: 521,797 km (0.102 R)
• M3: 1,135,597 km (0.066 R)
• M4: 1,676,244 km (0.093 R)
• M5: 2,454,153 km (0.074 R)
• M6: 2,862,256 km (0.059 R)
• M7: 3,305,066 km (0.104 R)
• M8: 4,149,995 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.2

Radius: 10.5

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.76 AU - 1.24 AU

Year: 667 Days

Day: 5.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,677,680 km

• M1: 131,197 km (0.069 R)
• M2: 597,943 km (0.063 R)
• M3: 971,189 km (0.086 R)
• M4: 1,595,611 km (0.069 R)
• M5: 1,976,337 km (0.038 R)
• M6: 2,355,568 km (0.115 R)
• M7: 2,841,761 km (0.086 R)
• M8: 3,883,710 km (0.108 R)
• M9: 5,527,941 km (0.026 R)
• M10: 6,207,414 km (0.089 R)
• M11: 7,593,289 km (0.075 R)
• M12: 7,993,762 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.3

Radius: 9

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.23 AU - 1.89 AU

Year: 1299 Days

Day: 7.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,677,680 km

• M1: 112,498 km (0.106 R)
• M2: 497,563 km (0.117 R)
• M3: 1,167,462 km (0.094 R)
• M4: 1,590,076 km (0.101 R)
• M5: 2,133,714 km (0.076 R)
• M6: 2,585,650 km (0.101 R)
• M7: 2,925,985 km (0.092 R)
• M8: 4,670,745 km (0.078 R)
• M9: 5,516,272 km (0.111 R)
• M10: 5,997,229 km (0.036 R)
• M11: 6,370,326 km (0.119 R)
• M12: 7,609,146 km (0.114 R)
• M13: 8,556,250 km (0.108 R)
• M14: 9,143,871 km (0.074 R)
• M15: 9,462,365 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252

Radius: 11.9

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.27 AU - 1.95 AU

Year: 1362 Days

Day: 13.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,677,680 km

• M1: 147,952 km (0.055 R)
• M2: 531,521 km (0.114 R)
• M3: 904,768 km (0.105 R)
• M4: 1,391,260 km (0.104 R)
• M5: 1,839,755 km (0.096 R)
• M6: 2,471,058 km (0.084 R)
• M7: 2,985,525 km (0.039 R)
• M8: 3,861,719 km (0.06 R)
• M9: 4,762,299 km (0.105 R)
• M10: 5,602,739 km (0.085 R)
• M11: 6,411,615 km (0.075 R)
• M12: 7,649,089 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.8

Radius: 11

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.77 AU - 2.43 AU

Year: 2029 Days

Day: 11.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,677,680 km

• M1: 136,732 km (0.047 R)
• M2: 539,001 km (0.109 R)
• M3: 910,901 km (0.111 R)
• M4: 1,396,347 km (0.089 R)
• M5: 1,792,930 km (0.105 R)
• M6: 2,305,303 km (0.066 R)
• M7: 2,889,782 km (0.045 R)
• M8: 4,614,795 km (0.095 R)
• M9: 5,453,441 km (0.119 R)
• M10: 5,948,610 km (0.1 R)
• M11: 7,364,254 km (0.093 R)
• M12: 7,898,468 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168

Radius: 14.9

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.56 AU - 6.44 AU

Year: 8601 Days

Day: 10.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,677,680 km

• M1: 185,352 km (0.049 R)
• M2: 849,417 km (0.116 R)
• M3: 1,370,765 km (0.088 R)
• M4: 1,884,484 km (0.073 R)
• M5: 2,481,081 km (0.119 R)
• M6: 3,574,492 km (0.091 R)
• M7: 5,720,473 km (0.089 R)
• M8: 7,620,964 km (0.095 R)
• M9: 10,455,844 km (0.08 R)
• M10: 12,251,318 km (0.063 R)
• M11: 13,024,290 km (0.101 R)
• M12: 13,829,725 km (0.109 R)
• M13: 14,349,727 km (0.119 R)
• M14: 15,209,017 km (0.098 R)
• M15: 18,117,050 km (0.095 R)
• M16: 23,881,355 km (0.089 R)
• M17: 26,894,705 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 182.8

Radius: 6.6

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.99 AU - 7.39 AU

Year: 11539 Days

Day: 24.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,677,680 km

• M1: 82,129 km (0.099 R)
• M2: 310,715 km (0.045 R)
• M3: 741,257 km (0.064 R)
• M4: 1,024,297 km (0.079 R)
• M5: 1,277,267 km (0.081 R)
• M6: 1,868,029 km (0.104 R)
• M7: 2,075,670 km (0.117 R)
• M8: 3,086,802 km (0.047 R)
• M9: 6,724,424 km (0.101 R)
• M10: 6,967,371 km (0.111 R)
• M11: 9,340,293 km (0.119 R)
• M12: 13,420,425 km (0.047 R)
• M13: 14,199,381 km (0.106 R)
• M14: 19,377,412 km (0.091 R)
• M15: 21,102,276 km (0.118 R)
• M16: 25,102,523 km (0.101 R)
• M17: 26,800,159 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 475.7

Radius: 4.3

Gravity: 25.73 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 7.58 AU - 7.8 AU

Year: 14221 Days

Day: 18.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,677,680 km

• M1: 121,025 km (0.068 R)
• M2: 268,977 km (0.065 R)
• M3: 427,102 km (0.071 R)
• M4: 842,086 km (0.078 R)
• M5: 996,023 km (0.049 R)
• M6: 1,218,026 km (0.115 R)
• M7: 2,161,091 km (0.034 R)
• M8: 2,704,131 km (0.108 R)
• M9: 3,258,990 km (0.092 R)
• M10: 4,141,019 km (0.099 R)
• M11: 6,596,967 km (0.086 R)
• M12: 7,991,817 km (0.107 R)
• M13: 9,270,430 km (0.119 R)
• M14: 11,179,150 km (0.094 R)
• M15: 11,869,544 km (0.069 R)
• M16: 13,979,323 km (0.118 R)
• M17: 14,242,914 km (0.062 R)
• M18: 14,644,435 km (0.104 R)
• M19: 16,618,827 km (0.062 R)
• M20: 30,273,971 km (0.112 R)
• M21: 34,880,389 km (0.108 R)
• M22: 38,240,507 km (0.059 R)
• M23: 43,325,787 km (0.119 R)
• M24: 44,026,653 km (0.11 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: 304 - 12,924 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit