🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.6

Radius: 13.3

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.62 AU - 1 AU

Year: 486 Days

Day: 7.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,452,499 km

• M1: 165,455 km (0.057 R)
• M2: 728,841 km (0.099 R)
• M3: 1,170,603 km (0.058 R)
• M4: 1,660,985 km (0.073 R)
• M5: 2,238,433 km (0.099 R)
• M6: 2,810,196 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.9

Radius: 9.4

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.76 AU - 0.94 AU

Year: 523 Days

Day: 7.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,452,499 km

• M1: 117,135 km (0.1 R)
• M2: 471,981 km (0.052 R)
• M3: 908,657 km (0.036 R)
• M4: 1,215,034 km (0.082 R)
• M5: 1,519,017 km (0.105 R)
• M6: 2,472,404 km (0.053 R)
• M7: 3,050,001 km (0.094 R)
• M8: 3,989,775 km (0.071 R)
• M9: 4,458,017 km (0.109 R)
• M10: 5,028,433 km (0.091 R)
• M11: 5,331,519 km (0.088 R)
• M12: 5,827,286 km (0.098 R)
• M13: 6,161,936 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46

Radius: 13.8

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.02 AU - 1.04 AU

Year: 697 Days

Day: 5.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,452,499 km

• M1: 172,786 km (0.086 R)
• M2: 606,470 km (0.106 R)
• M3: 1,066,932 km (0.114 R)
• M4: 2,210,458 km (0.084 R)
• M5: 2,647,583 km (0.041 R)
• M6: 3,299,979 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.5

Radius: 8.4

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.18 AU - 1.48 AU

Year: 1023 Days

Day: 13.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,452,499 km

• M1: 104,419 km (0.106 R)
• M2: 426,803 km (0.085 R)
• M3: 912,397 km (0.062 R)
• M4: 1,182,422 km (0.1 R)
• M5: 1,443,619 km (0.088 R)
• M6: 1,726,210 km (0.114 R)
• M7: 2,006,257 km (0.038 R)
• M8: 2,635,765 km (0.089 R)
• M9: 3,102,211 km (0.094 R)
• M10: 3,742,640 km (0.059 R)
• M11: 5,039,204 km (0.05 R)
• M12: 5,459,275 km (0.108 R)
• M13: 5,799,610 km (0.03 R)
• M14: 6,111,671 km (0.12 R)
• M15: 6,883,896 km (0.115 R)
• M16: 7,233,955 km (0.072 R)
• M17: 7,995,557 km (0.114 R)
• M18: 8,674,582 km (0.09 R)
• M19: 9,619,741 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.1

Radius: 8.9

Gravity: 11.81 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.94 AU - 2.34 AU

Year: 2088 Days

Day: 14.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,452,499 km

• M1: 110,702 km (0.06 R)
• M2: 401,371 km (0.099 R)
• M3: 692,040 km (0.105 R)
• M4: 1,620,743 km (0.04 R)
• M5: 2,079,111 km (0.068 R)
• M6: 2,492,151 km (0.084 R)
• M7: 3,121,808 km (0.119 R)
• M8: 3,665,447 km (0.065 R)
• M9: 5,009,883 km (0.06 R)
• M10: 5,655,398 km (0.069 R)
• M11: 6,301,511 km (0.113 R)
• M12: 6,938,499 km (0.1 R)
• M13: 7,258,040 km (0.071 R)
• M14: 7,771,310 km (0.101 R)
• M15: 8,308,516 km (0.042 R)
• M16: 9,351,812 km (0.066 R)
• M17: 13,180,021 km (0.031 R)
• M18: 13,761,658 km (0.082 R)
• M19: 14,128,173 km (0.115 R)
• M20: 15,413,218 km (0.092 R)
• M21: 17,140,326 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.2

Radius: 13.5

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.9 AU - 3.14 AU

Year: 2668 Days

Day: 9.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,452,499 km

• M1: 167,849 km (0.112 R)
• M2: 619,485 km (0.115 R)
• M3: 1,720,076 km (0.071 R)
• M4: 2,351,529 km (0.11 R)
• M5: 3,065,709 km (0.066 R)
• M6: 3,493,559 km (0.032 R)
• M7: 4,002,341 km (0.032 R)
• M8: 4,582,931 km (0.097 R)
• M9: 5,244,303 km (0.099 R)
• M10: 5,676,192 km (0.103 R)
• M11: 6,298,669 km (0.102 R)
• M12: 8,172,980 km (0.08 R)
• M13: 13,085,924 km (0.083 R)
• M14: 17,078,991 km (0.08 R)
• M15: 19,202,532 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.5

Radius: 10.8

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.35 AU - 3.47 AU

Year: 4199 Days

Day: 7.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 34,452,499 km

• M1: 134,788 km (0.111 R)
• M2: 481,855 km (0.086 R)
• M3: 1,203,216 km (0.104 R)
• M4: 1,541,905 km (0.05 R)
• M5: 1,891,366 km (0.107 R)
• M6: 2,309,642 km (0.09 R)
• M7: 2,702,336 km (0.089 R)
• M8: 3,216,953 km (0.051 R)
• M9: 4,468,189 km (0.051 R)
• M10: 4,924,014 km (0.105 R)
• M11: 6,544,308 km (0.088 R)
• M12: 6,999,684 km (0.093 R)
• M13: 7,686,787 km (0.089 R)
• M14: 8,380,772 km (0.089 R)
• M15: 8,840,187 km (0.095 R)
• M16: 10,407,075 km (0.062 R)
• M17: 12,394,932 km (0.105 R)
• M18: 14,899,200 km (0.113 R)
• M19: 15,517,488 km (0.12 R)
• M20: 16,211,323 km (0.113 R)
• M21: 17,168,600 km (0.112 R)
• M22: 17,785,691 km (0.081 R)
• M23: 24,176,512 km (0.109 R)
• M24: 25,663,964 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.9

Radius: 5.3

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 7.56 AU - 8.2 AU

Year: 14751 Days

Day: 15 Hours

Environment

Temp: -239 °C

Axial Tilt: 103.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,452,499 km

• M1: 66,122 km (0.102 R)
• M2: 269,875 km (0.058 R)
• M3: 565,480 km (0.056 R)
• M4: 1,358,648 km (0.116 R)
• M5: 1,591,422 km (0.062 R)
• M6: 1,893,759 km (0.1 R)
• M7: 3,157,861 km (0.07 R)
• M8: 3,681,753 km (0.107 R)
• M9: 3,916,472 km (0.103 R)
• M10: 4,364,219 km (0.113 R)
• M11: 5,243,405 km (0.096 R)
• M12: 6,706,024 km (0.1 R)
• M13: 9,164,964 km (0.108 R)
• M14: 9,336,104 km (0.043 R)
• M15: 9,862,389 km (0.088 R)
• M16: 10,783,015 km (0.054 R)
• M17: 12,217,957 km (0.105 R)
• M18: 12,635,036 km (0.12 R)
• M19: 13,278,606 km (0.118 R)
• M20: 14,113,512 km (0.101 R)
• M21: 14,341,948 km (0.098 R)
• M22: 16,891,395 km (0.046 R)
• M23: 19,164,684 km (0.066 R)
• M24: 22,167,412 km (0.094 R)
• M25: 31,644,138 km (0.079 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 15,172 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit