🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.8

Radius: 8.3

Gravity: 9.03 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.65 AU - 0.73 AU

Year: 382 Days

Day: 12 Hours

Environment

Temp: -153 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,155,803 km

• M1: 103,821 km (0.091 R)
• M2: 409,449 km (0.066 R)
• M3: 737,069 km (0.062 R)
• M4: 1,105,379 km (0.08 R)
• M5: 1,443,919 km (0.099 R)
• M6: 2,396,558 km (0.11 R)
• M7: 3,375,676 km (0.094 R)
• M8: 3,816,990 km (0.107 R)
• M9: 4,269,374 km (0.111 R)
• M10: 5,189,101 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.1

Radius: 14

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.84 AU - 1.22 AU

Year: 697 Days

Day: 8.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 54,155,803 km

• M1: 174,132 km (0.111 R)
• M2: 646,861 km (0.101 R)
• M3: 2,232,449 km (0.095 R)
• M4: 3,113,730 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52

Radius: 8.6

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.03 AU - 1.15 AU

Year: 759 Days

Day: 9.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,155,803 km

• M1: 106,962 km (0.095 R)
• M2: 697,575 km (0.049 R)
• M3: 1,154,746 km (0.108 R)
• M4: 1,532,032 km (0.106 R)
• M5: 1,867,729 km (0.102 R)
• M6: 2,785,363 km (0.094 R)
• M7: 3,211,417 km (0.108 R)
• M8: 3,533,053 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.6

Radius: 11.8

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.04 AU - 1.38 AU

Year: 888 Days

Day: 9.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 114.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,155,803 km

• M1: 147,204 km (0.108 R)
• M2: 706,401 km (0.076 R)
• M3: 1,079,199 km (0.118 R)
• M4: 1,749,397 km (0.076 R)
• M5: 2,452,059 km (0.068 R)
• M6: 3,460,947 km (0.084 R)
• M7: 3,919,763 km (0.103 R)
• M8: 4,834,405 km (0.105 R)
• M9: 5,294,867 km (0.09 R)
• M10: 5,664,224 km (0.096 R)
• M11: 6,923,240 km (0.067 R)
• M12: 7,318,627 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.1

Radius: 12.1

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.33 AU - 1.39 AU

Year: 1058 Days

Day: 12.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,155,803 km

• M1: 150,645 km (0.03 R)
• M2: 675,883 km (0.094 R)
• M3: 1,255,276 km (0.075 R)
• M4: 1,643,033 km (0.098 R)
• M5: 2,493,497 km (0.103 R)
• M6: 3,355,031 km (0.103 R)
• M7: 3,863,215 km (0.057 R)
• M8: 5,226,202 km (0.105 R)
• M9: 5,766,100 km (0.108 R)
• M10: 6,702,583 km (0.113 R)
• M11: 7,839,377 km (0.031 R)
• M12: 9,501,410 km (0.031 R)
• M13: 9,973,690 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 651.4

Radius: 5.2

Gravity: 24.09 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 6.8 AU - 7.2 AU

Year: 12350 Days

Day: 19.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,155,803 km

• M1: 64,776 km (0.096 R)
• M2: 295,007 km (0.105 R)
• M3: 581,038 km (0.117 R)
• M4: 1,050,476 km (0.064 R)
• M5: 1,470,098 km (0.099 R)
• M6: 2,232,599 km (0.085 R)
• M7: 2,699,942 km (0.093 R)
• M8: 3,157,413 km (0.057 R)
• M9: 3,638,220 km (0.115 R)
• M10: 8,224,592 km (0.113 R)
• M11: 8,934,434 km (0.097 R)
• M12: 11,653,973 km (0.105 R)
• M13: 12,245,184 km (0.095 R)
• M14: 14,742,571 km (0.11 R)
• M15: 15,574,485 km (0.062 R)
• M16: 17,180,268 km (0.119 R)
• M17: 18,653,209 km (0.059 R)
• M18: 27,812,039 km (0.105 R)
• M19: 29,836,398 km (0.076 R)
• M20: 32,415,764 km (0.118 R)
• M21: 34,415,140 km (0.094 R)
• M22: 34,897,144 km (0.109 R)
• M23: 36,996,451 km (0.093 R)
• M24: 37,375,532 km (0.077 R)
• M25: 40,903,798 km (0.066 R)
• M26: 41,853,445 km (0.104 R)
• M27: 43,937,942 km (0.044 R)
• M28: 44,362,949 km (0.081 R)
• M29: 46,676,331 km (0.119 R)
• M30: 50,915,785 km (0.07 R)
• M31: 52,331,130 km (0.114 R)
• M32: 53,611,090 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.3

Radius: 3.1

Gravity: 26.88 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 7.75 AU - 11.27 AU

Year: 19557 Days

Day: 15.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,155,803 km

• M1: 38,746 km (0.084 R)
• M2: 141,669 km (0.083 R)
• M3: 252,072 km (0.114 R)
• M4: 914,941 km (0.108 R)
• M5: 1,470,697 km (0.057 R)
• M6: 2,184,428 km (0.092 R)
• M7: 2,542,416 km (0.076 R)
• M8: 5,949,059 km (0.098 R)
• M9: 10,434,451 km (0.116 R)
• M10: 10,817,422 km (0.083 R)
• M11: 11,096,721 km (0.09 R)
• M12: 16,682,107 km (0.047 R)
• M13: 25,621,328 km (0.109 R)
• M14: 26,317,257 km (0.111 R)
• M15: 27,127,779 km (0.064 R)
• M16: 35,429,713 km (0.111 R)
• M17: 36,417,358 km (0.036 R)
• M18: 41,359,922 km (0.097 R)
• M19: 48,821,415 km (0.115 R)
• M20: 50,662,067 km (0.093 R)
• M21: 51,442,519 km (0.079 R)
• M22: 53,670,181 km (0.1 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: 222 - 13,222 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit