🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.3

Radius: 9.3

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.65 AU - 0.77 AU

Year: 399 Days

Day: 13.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,885,186 km

• M1: 115,639 km (0.028 R)
• M2: 486,043 km (0.096 R)
• M3: 806,183 km (0.108 R)
• M4: 1,120,039 km (0.029 R)
• M5: 1,438,234 km (0.085 R)
• M6: 2,464,775 km (0.095 R)
• M7: 2,937,354 km (0.114 R)
• M8: 3,386,297 km (0.117 R)
• M9: 4,185,898 km (0.056 R)
• M10: 4,921,172 km (0.119 R)
• M11: 5,295,914 km (0.036 R)
• M12: 5,639,241 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.7

Radius: 9.9

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.61 AU - 0.87 AU

Year: 424 Days

Day: 6.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,885,186 km

• M1: 123,119 km (0.05 R)
• M2: 454,478 km (0.096 R)
• M3: 774,618 km (0.097 R)
• M4: 1,098,946 km (0.104 R)
• M5: 1,541,008 km (0.112 R)
• M6: 1,989,951 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35

Radius: 13.1

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.75 AU - 2.19 AU

Year: 1844 Days

Day: 14.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 66,885,186 km

• M1: 163,361 km (0.049 R)
• M2: 669,750 km (0.074 R)
• M3: 1,232,986 km (0.086 R)
• M4: 2,630,529 km (0.035 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488

Radius: 14.7

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.94 AU - 3.96 AU

Year: 4273 Days

Day: 7.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,885,186 km

• M1: 182,809 km (0.115 R)
• M2: 929,003 km (0.119 R)
• M3: 3,730,971 km (0.061 R)
• M4: 6,124,387 km (0.093 R)
• M5: 8,701,211 km (0.059 R)
• M6: 12,248,774 km (0.119 R)
• M7: 13,376,294 km (0.099 R)
• M8: 14,572,029 km (0.066 R)
• M9: 15,354,875 km (0.061 R)
• M10: 16,220,598 km (0.08 R)
• M11: 17,175,780 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.2

Radius: 9

Gravity: 7.01 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.55 AU - 3.89 AU

Year: 4785 Days

Day: 9.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,885,186 km

• M1: 112,049 km (0.104 R)
• M2: 416,181 km (0.093 R)
• M3: 781,200 km (0.098 R)
• M4: 1,080,246 km (0.09 R)
• M5: 1,841,849 km (0.089 R)
• M6: 3,071,244 km (0.096 R)
• M7: 3,881,616 km (0.073 R)
• M8: 4,956,477 km (0.052 R)
• M9: 5,549,034 km (0.1 R)
• M10: 5,891,763 km (0.093 R)
• M11: 6,525,609 km (0.112 R)
• M12: 6,875,369 km (0.066 R)
• M13: 8,739,508 km (0.097 R)
• M14: 9,932,551 km (0.108 R)
• M15: 11,006,963 km (0.099 R)
• M16: 12,014,803 km (0.036 R)
• M17: 12,348,107 km (0.11 R)
• M18: 17,081,982 km (0.052 R)
• M19: 20,450,029 km (0.101 R)
• M20: 22,902,088 km (0.081 R)
• M21: 23,637,212 km (0.115 R)
• M22: 24,388,043 km (0.109 R)
• M23: 24,923,005 km (0.027 R)
• M24: 26,655,199 km (0.084 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 713.8

Radius: 4.5

Gravity: 35.25 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.6 AU - 6.7 AU

Year: 10170 Days

Day: 23.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,885,186 km

• M1: 55,950 km (0.109 R)
• M2: 231,727 km (0.119 R)
• M3: 387,458 km (0.11 R)
• M4: 593,006 km (0.1 R)
• M5: 734,526 km (0.06 R)
• M6: 1,303,446 km (0.094 R)
• M7: 2,019,721 km (0.105 R)
• M8: 2,990,461 km (0.09 R)
• M9: 5,902,384 km (0.094 R)
• M10: 6,761,225 km (0.053 R)
• M11: 8,723,201 km (0.095 R)
• M12: 10,659,447 km (0.075 R)
• M13: 12,040,833 km (0.087 R)
• M14: 16,893,938 km (0.082 R)
• M15: 19,231,554 km (0.086 R)
• M16: 19,787,610 km (0.093 R)
• M17: 20,272,905 km (0.031 R)
• M18: 22,906,725 km (0.091 R)
• M19: 25,664,412 km (0.119 R)
• M20: 26,532,978 km (0.093 R)
• M21: 28,738,349 km (0.114 R)
• M22: 32,717,653 km (0.114 R)
• M23: 34,198,522 km (0.076 R)
• M24: 35,014,279 km (0.08 R)
• M25: 36,805,564 km (0.084 R)
• M26: 41,352,292 km (0.095 R)
• M27: 49,146,192 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.3

Radius: 4.3

Gravity: 35.71 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.19 AU - 9.99 AU

Year: 16789 Days

Day: 16.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,885,186 km

• M1: 60,438 km (0.069 R)
• M2: 196,871 km (0.087 R)
• M3: 364,720 km (0.098 R)
• M4: 519,105 km (0.119 R)
• M5: 672,442 km (0.099 R)
• M6: 1,769,144 km (0.092 R)
• M7: 2,521,323 km (0.079 R)
• M8: 2,943,488 km (0.086 R)
• M9: 3,276,642 km (0.064 R)
• M10: 4,460,261 km (0.065 R)
• M11: 5,404,223 km (0.058 R)
• M12: 7,820,229 km (0.065 R)
• M13: 10,577,018 km (0.054 R)
• M14: 11,112,130 km (0.09 R)
• M15: 11,727,426 km (0.111 R)
• M16: 12,891,896 km (0.087 R)
• M17: 13,709,598 km (0.049 R)
• M18: 14,633,963 km (0.088 R)
• M19: 20,064,066 km (0.069 R)
• M20: 20,974,968 km (0.091 R)
• M21: 21,160,320 km (0.086 R)
• M22: 25,416,379 km (0.077 R)
• M23: 26,373,955 km (0.113 R)
• M24: 29,159,916 km (0.094 R)
• M25: 30,445,710 km (0.076 R)
• M26: 39,382,687 km (0.103 R)
• M27: 43,008,640 km (0.076 R)
• M28: 44,519,130 km (0.09 R)
• M29: 48,611,529 km (0.092 R)
• M30: 56,453,300 km (0.112 R)
• M31: 56,992,151 km (0.109 R)
• M32: 58,262,836 km (0.086 R)
• M33: 58,997,361 km (0.064 R)
• M34: 64,507,948 km (0.081 R)
• M35: 64,703,921 km (0.083 R)
• M36: 66,485,034 km (0.083 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 355 - 19,202 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit