🌌 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: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.3

Radius: 8.8

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.6 AU - 0.84 AU

Year: 388 Days

Day: 10.6 Hours

Environment

Temp: -133 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,667,709 km

• M1: 109,506 km (0.05 R)
• M2: 385,963 km (0.052 R)
• M3: 693,386 km (0.072 R)
• M4: 968,347 km (0.08 R)
• M5: 1,245,402 km (0.039 R)
• M6: 1,619,247 km (0.08 R)
• M7: 2,543,762 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622

Radius: 14

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.47 AU - 1.71 AU

Year: 1275 Days

Day: 10 Hours

Environment

Temp: -187 °C

Axial Tilt: 57 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,667,709 km

• M1: 174,282 km (0.087 R)
• M2: 621,430 km (0.096 R)
• M3: 1,134,101 km (0.104 R)
• M4: 1,987,857 km (0.107 R)
• M5: 2,457,444 km (0.054 R)
• M6: 3,946,093 km (0.066 R)
• M7: 4,963,508 km (0.089 R)
• M8: 5,461,968 km (0.083 R)
• M9: 6,037,920 km (0.116 R)
• M10: 6,701,536 km (0.086 R)
• M11: 7,137,763 km (0.108 R)
• M12: 8,094,292 km (0.085 R)
• M13: 8,759,404 km (0.087 R)
• M14: 10,010,940 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.4

Radius: 9.8

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.1 AU - 3.18 AU

Year: 3538 Days

Day: 10.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,667,709 km

• M1: 121,922 km (0.116 R)
• M2: 619,634 km (0.078 R)
• M3: 1,151,305 km (0.107 R)
• M4: 1,504,506 km (0.119 R)
• M5: 2,392,220 km (0.112 R)
• M6: 3,133,028 km (0.056 R)
• M7: 3,753,710 km (0.095 R)
• M8: 4,590,411 km (0.073 R)
• M9: 5,040,850 km (0.106 R)
• M10: 5,758,471 km (0.106 R)
• M11: 6,170,015 km (0.051 R)
• M12: 6,542,663 km (0.098 R)
• M13: 7,459,997 km (0.099 R)
• M14: 9,662,676 km (0.054 R)
• M15: 10,205,417 km (0.118 R)
• M16: 12,177,865 km (0.099 R)
• M17: 12,765,486 km (0.093 R)
• M18: 14,342,097 km (0.043 R)
• M19: 17,140,026 km (0.072 R)
• M20: 18,696,742 km (0.036 R)
• M21: 19,175,605 km (0.115 R)
• M22: 19,909,083 km (0.083 R)
• M23: 20,220,247 km (0.066 R)
• M24: 21,173,035 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708

Radius: 9.4

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.81 AU - 3.51 AU

Year: 3572 Days

Day: 14.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 38,667,709 km

• M1: 118,482 km (0.102 R)
• M2: 440,117 km (0.104 R)
• M3: 746,643 km (0.108 R)
• M4: 1,062,743 km (0.082 R)
• M5: 1,513,332 km (0.087 R)
• M6: 1,827,188 km (0.06 R)
• M7: 2,818,873 km (0.099 R)
• M8: 3,115,525 km (0.118 R)
• M9: 3,793,204 km (0.082 R)
• M10: 4,112,445 km (0.072 R)
• M11: 5,627,872 km (0.119 R)
• M12: 6,275,032 km (0.102 R)
• M13: 6,601,754 km (0.096 R)
• M14: 7,065,507 km (0.106 R)
• M15: 8,162,509 km (0.118 R)
• M16: 9,028,979 km (0.101 R)
• M17: 9,915,646 km (0.075 R)
• M18: 12,735,416 km (0.1 R)
• M19: 13,357,444 km (0.094 R)
• M20: 14,404,779 km (0.081 R)
• M21: 15,452,413 km (0.09 R)
• M22: 16,215,512 km (0.044 R)
• M23: 19,772,500 km (0.054 R)
• M24: 20,154,573 km (0.088 R)
• M25: 21,597,744 km (0.076 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 997.4

Radius: 4.3

Gravity: 53.94 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.39 AU - 7.21 AU

Year: 10054 Days

Day: 17.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 38,667,709 km

• M1: 53,556 km (0.102 R)
• M2: 219,610 km (0.055 R)
• M3: 543,639 km (0.097 R)
• M4: 724,951 km (0.082 R)
• M5: 884,273 km (0.072 R)
• M6: 1,055,712 km (0.036 R)
• M7: 1,568,683 km (0.08 R)
• M8: 2,138,202 km (0.113 R)
• M9: 2,746,019 km (0.076 R)
• M10: 3,089,794 km (0.117 R)
• M11: 3,780,189 km (0.058 R)
• M12: 3,946,691 km (0.081 R)
• M13: 5,424,868 km (0.069 R)
• M14: 6,267,702 km (0.117 R)
• M15: 8,535,755 km (0.096 R)
• M16: 10,354,865 km (0.082 R)
• M17: 11,760,487 km (0.113 R)
• M18: 13,352,059 km (0.074 R)
• M19: 14,602,099 km (0.086 R)
• M20: 17,256,414 km (0.038 R)
• M21: 20,047,611 km (0.075 R)
• M22: 21,156,580 km (0.108 R)
• M23: 25,212,926 km (0.105 R)
• M24: 26,101,986 km (0.113 R)
• M25: 30,639,589 km (0.066 R)
• M26: 34,218,718 km (0.111 R)
• M27: 43,726,111 km (0.091 R)
• M28: 44,150,670 km (0.11 R)
• M29: 44,720,787 km (0.059 R)
• M30: 46,607,965 km (0.075 R)
• M31: 50,230,178 km (0.087 R)
• M32: 53,227,371 km (0.036 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 78.4

Radius: 3.9

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 10.05 AU - 10.81 AU

Year: 21417 Days

Day: 21.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,667,709 km

• M1: 48,769 km (0.099 R)
• M2: 305,180 km (0.108 R)
• M3: 2,068,789 km (0.118 R)
• M4: 2,428,572 km (0.106 R)
• M5: 2,729,712 km (0.094 R)
• M6: 3,474,710 km (0.036 R)
• M7: 5,765,502 km (0.119 R)
• M8: 6,614,919 km (0.1 R)
• M9: 8,307,170 km (0.07 R)
• M10: 10,267,500 km (0.086 R)
• M11: 12,515,956 km (0.108 R)
• M12: 13,754,327 km (0.027 R)
• M13: 18,304,945 km (0.111 R)
• M14: 20,648,396 km (0.027 R)
• M15: 21,891,853 km (0.119 R)
• M16: 22,693,847 km (0.094 R)
• M17: 24,271,357 km (0.102 R)
• M18: 37,862,323 km (0.119 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: 209 - 17,939 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit