🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.8

Radius: 9.5

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.78 AU - 0.8 AU

Year: 476 Days

Day: 13.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,488,873 km

• M1: 118,332 km (0.108 R)
• M2: 514,467 km (0.118 R)
• M3: 827,276 km (0.043 R)
• M4: 1,349,522 km (0.097 R)
• M5: 1,766,601 km (0.052 R)
• M6: 2,376,512 km (0.079 R)
• M7: 2,979,541 km (0.086 R)
• M8: 3,311,947 km (0.085 R)
• M9: 4,647,557 km (0.102 R)
• M10: 5,143,175 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.6

Radius: 13.3

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.7 AU - 1.14 AU

Year: 599 Days

Day: 6 Hours

Environment

Temp: -179 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,488,873 km

• M1: 165,455 km (0.05 R)
• M2: 590,014 km (0.108 R)
• M3: 1,702,873 km (0.099 R)
• M4: 2,655,661 km (0.08 R)
• M5: 3,326,757 km (0.105 R)
• M6: 5,133,451 km (0.033 R)
• M7: 5,782,107 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.1

Radius: 14.7

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.97 AU - 2.49 AU

Year: 2259 Days

Day: 14.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,488,873 km

• M1: 184,305 km (0.11 R)
• M2: 661,223 km (0.1 R)
• M3: 1,145,770 km (0.106 R)
• M4: 1,690,456 km (0.083 R)
• M5: 2,517,583 km (0.061 R)
• M6: 3,166,837 km (0.067 R)
• M7: 3,745,931 km (0.09 R)
• M8: 4,413,436 km (0.118 R)
• M9: 5,200,022 km (0.053 R)
• M10: 5,789,737 km (0.113 R)
• M11: 6,855,771 km (0.084 R)
• M12: 7,940,206 km (0.118 R)
• M13: 8,638,230 km (0.098 R)
• M14: 11,742,086 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.8

Radius: 8.6

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.76 AU - 3.28 AU

Year: 3560 Days

Day: 7.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,488,873 km

• M1: 106,962 km (0.094 R)
• M2: 481,406 km (0.04 R)
• M3: 1,177,934 km (0.105 R)
• M4: 1,703,920 km (0.033 R)
• M5: 2,337,317 km (0.113 R)
• M6: 2,685,731 km (0.092 R)
• M7: 3,204,536 km (0.11 R)
• M8: 3,749,970 km (0.039 R)
• M9: 4,441,561 km (0.098 R)
• M10: 4,840,688 km (0.117 R)
• M11: 9,228,244 km (0.048 R)
• M12: 9,586,381 km (0.047 R)
• M13: 10,103,391 km (0.102 R)
• M14: 10,638,802 km (0.107 R)
• M15: 13,016,062 km (0.075 R)
• M16: 14,495,286 km (0.094 R)
• M17: 15,777,190 km (0.102 R)
• M18: 17,348,267 km (0.101 R)
• M19: 18,678,192 km (0.102 R)
• M20: 19,368,137 km (0.085 R)
• M21: 19,719,393 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.4

Radius: 8

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.03 AU - 3.73 AU

Year: 4215 Days

Day: 8.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,488,873 km

• M1: 99,483 km (0.045 R)
• M2: 477,068 km (0.079 R)
• M3: 866,471 km (0.102 R)
• M4: 1,282,652 km (0.084 R)
• M5: 1,597,406 km (0.074 R)
• M6: 1,925,624 km (0.081 R)
• M7: 2,533,141 km (0.115 R)
• M8: 3,120,163 km (0.069 R)
• M9: 3,446,137 km (0.058 R)
• M10: 3,977,807 km (0.088 R)
• M11: 4,517,856 km (0.092 R)
• M12: 6,606,840 km (0.088 R)
• M13: 7,585,958 km (0.104 R)
• M14: 8,110,449 km (0.113 R)
• M15: 8,658,725 km (0.102 R)
• M16: 9,639,788 km (0.102 R)
• M17: 10,215,889 km (0.039 R)
• M18: 10,572,530 km (0.087 R)
• M19: 11,821,373 km (0.09 R)
• M20: 12,526,279 km (0.094 R)
• M21: 13,165,660 km (0.101 R)
• M22: 13,971,244 km (0.079 R)
• M23: 15,215,001 km (0.084 R)
• M24: 18,208,454 km (0.116 R)
• M25: 19,028,700 km (0.087 R)
• M26: 19,934,814 km (0.111 R)
• M27: 21,767,537 km (0.081 R)

Asteroid Belt

Center: 4.55 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 390.2

Radius: 5.7

Gravity: 12.01 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.64 AU - 6.8 AU

Year: 9279 Days

Day: 20.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,488,873 km

• M1: 70,909 km (0.119 R)
• M2: 1,089,521 km (0.104 R)
• M3: 2,485,569 km (0.068 R)
• M4: 3,695,516 km (0.114 R)
• M5: 4,428,695 km (0.115 R)
• M6: 4,929,848 km (0.048 R)
• M7: 5,314,913 km (0.112 R)
• M8: 6,011,890 km (0.084 R)
• M9: 7,021,376 km (0.104 R)
• M10: 8,261,094 km (0.112 R)
• M11: 10,100,998 km (0.09 R)
• M12: 11,016,686 km (0.06 R)
• M13: 11,725,930 km (0.072 R)
• M14: 11,986,529 km (0.08 R)
• M15: 13,403,969 km (0.086 R)
• M16: 14,211,947 km (0.042 R)
• M17: 15,112,975 km (0.103 R)
• M18: 17,837,901 km (0.045 R)
• M19: 19,315,778 km (0.119 R)
• M20: 20,570,455 km (0.09 R)
• M21: 21,256,212 km (0.095 R)
• M22: 23,323,056 km (0.074 R)
• M23: 24,404,948 km (0.107 R)
• M24: 27,210,207 km (0.087 R)
• M25: 30,811,626 km (0.067 R)
• M26: 33,660,119 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.6

Radius: 3.5

Gravity: 51.23 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.27 AU - 8.03 AU

Year: 11631 Days

Day: 15.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,488,873 km

• M1: 43,533 km (0.114 R)
• M2: 200,312 km (0.088 R)
• M3: 363,972 km (0.11 R)
• M4: 473,926 km (0.058 R)
• M5: 790,924 km (0.096 R)
• M6: 1,350,869 km (0.09 R)
• M7: 2,565,753 km (0.095 R)
• M8: 3,071,843 km (0.091 R)
• M9: 3,238,196 km (0.111 R)
• M10: 3,992,767 km (0.099 R)
• M11: 4,336,842 km (0.085 R)
• M12: 5,083,784 km (0.085 R)
• M13: 7,965,638 km (0.115 R)
• M14: 9,126,667 km (0.088 R)
• M15: 14,106,630 km (0.119 R)
• M16: 14,237,080 km (0.09 R)
• M17: 17,463,307 km (0.108 R)
• M18: 17,765,046 km (0.104 R)
• M19: 21,747,042 km (0.043 R)
• M20: 28,826,014 km (0.111 R)
• M21: 30,209,794 km (0.066 R)
• M22: 30,535,319 km (0.096 R)
• M23: 31,637,406 km (0.098 R)
• M24: 31,749,007 km (0.102 R)
• M25: 32,537,836 km (0.042 R)
• M26: 33,455,320 km (0.072 R)
• M27: 39,195,989 km (0.111 R)
• M28: 39,842,700 km (0.07 R)
• M29: 40,103,449 km (0.075 R)
• M30: 41,290,658 km (0.086 R)
• M31: 42,773,173 km (0.104 R)
• M32: 42,909,756 km (0.077 R)
• M33: 48,611,828 km (0.101 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 20,298 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit