🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.7

Radius: 10.5

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.96 AU - 1.48 AU

Year: 870 Days

Day: 14 Hours

Environment

Temp: -167 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,706,728 km

• M1: 130,599 km (0.109 R)
• M2: 478,264 km (0.108 R)
• M3: 845,677 km (0.111 R)
• M4: 1,465,311 km (0.083 R)
• M5: 1,865,037 km (0.071 R)
• M6: 3,214,409 km (0.118 R)
• M7: 4,468,189 km (0.115 R)
• M8: 5,663,925 km (0.086 R)
• M9: 6,702,733 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828

Radius: 9.3

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.41 AU - 1.69 AU

Year: 1246 Days

Day: 10.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,706,728 km

• M1: 118,033 km (0.11 R)
• M2: 414,087 km (0.052 R)
• M3: 704,606 km (0.106 R)
• M4: 1,037,461 km (0.112 R)
• M5: 1,684,023 km (0.067 R)
• M6: 2,037,673 km (0.095 R)
• M7: 2,591,185 km (0.045 R)
• M8: 3,167,735 km (0.047 R)
• M9: 3,911,835 km (0.107 R)
• M10: 4,280,145 km (0.074 R)
• M11: 4,576,199 km (0.106 R)
• M12: 6,268,151 km (0.088 R)
• M13: 6,578,118 km (0.113 R)
• M14: 8,864,571 km (0.079 R)
• M15: 11,635,423 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.9

Radius: 11.8

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 2.73 AU - 4.19 AU

Year: 4156 Days

Day: 14.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,706,728 km

• M1: 146,756 km (0.083 R)
• M2: 575,204 km (0.116 R)
• M3: 1,491,341 km (0.117 R)
• M4: 2,265,211 km (0.115 R)
• M5: 2,821,715 km (0.05 R)
• M6: 4,040,638 km (0.085 R)
• M7: 4,921,022 km (0.098 R)
• M8: 5,499,667 km (0.082 R)
• M9: 6,418,048 km (0.091 R)
• M10: 7,159,305 km (0.044 R)
• M11: 8,363,419 km (0.109 R)
• M12: 9,101,385 km (0.05 R)
• M13: 10,642,243 km (0.028 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.9

Radius: 13.7

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.21 AU - 4.65 AU

Year: 5030 Days

Day: 10.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,706,728 km

• M1: 170,392 km (0.092 R)
• M2: 755,020 km (0.096 R)
• M3: 1,290,880 km (0.069 R)
• M4: 2,456,547 km (0.084 R)
• M5: 5,736,929 km (0.105 R)
• M6: 6,352,973 km (0.094 R)
• M7: 7,184,887 km (0.118 R)
• M8: 7,809,607 km (0.093 R)
• M9: 11,256,941 km (0.079 R)
• M10: 12,687,096 km (0.091 R)
• M11: 13,424,015 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 27.1

Radius: 6.1

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.91 AU - 7.39 AU

Year: 9848 Days

Day: 18 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,706,728 km

• M1: 202,705 km (0.102 R)
• M2: 396,135 km (0.089 R)
• M3: 686,205 km (0.076 R)
• M4: 1,129,015 km (0.109 R)
• M5: 2,377,709 km (0.115 R)
• M6: 2,738,389 km (0.11 R)
• M7: 2,931,969 km (0.093 R)
• M8: 3,215,307 km (0.117 R)
• M9: 4,215,219 km (0.115 R)
• M10: 6,131,718 km (0.067 R)
• M11: 6,335,320 km (0.115 R)
• M12: 6,649,177 km (0.11 R)
• M13: 7,536,741 km (0.103 R)
• M14: 9,992,390 km (0.034 R)
• M15: 10,708,066 km (0.063 R)
• M16: 14,715,793 km (0.09 R)
• M17: 15,688,478 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 137.7

Radius: 5.8

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.64 AU - 6.7 AU

Year: 9896 Days

Day: 15.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 77,706,728 km

• M1: 72,705 km (0.114 R)
• M2: 291,267 km (0.07 R)
• M3: 476,170 km (0.076 R)
• M4: 771,626 km (0.095 R)
• M5: 1,446,911 km (0.101 R)
• M6: 1,799,214 km (0.099 R)
• M7: 2,002,966 km (0.074 R)
• M8: 4,451,434 km (0.094 R)
• M9: 5,035,165 km (0.099 R)
• M10: 5,249,688 km (0.098 R)
• M11: 5,697,285 km (0.073 R)
• M12: 6,541,167 km (0.097 R)
• M13: 8,739,956 km (0.032 R)
• M14: 9,817,211 km (0.113 R)
• M15: 10,195,244 km (0.113 R)
• M16: 11,758,093 km (0.031 R)
• M17: 11,993,710 km (0.087 R)
• M18: 15,350,238 km (0.057 R)
• M19: 18,322,747 km (0.091 R)
• M20: 23,542,217 km (0.105 R)
• M21: 24,600,771 km (0.11 R)
• M22: 24,909,093 km (0.096 R)
• M23: 27,633,719 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.5

Radius: 5.4

Gravity: 29.96 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 6.65 AU - 8.79 AU

Year: 13850 Days

Day: 23.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,706,728 km

• M1: 67,169 km (0.09 R)
• M2: 251,923 km (0.097 R)
• M3: 495,917 km (0.103 R)
• M4: 673,190 km (0.087 R)
• M5: 852,109 km (0.063 R)
• M6: 1,087,427 km (0.12 R)
• M7: 2,739,586 km (0.08 R)
• M8: 3,002,579 km (0.082 R)
• M9: 3,442,247 km (0.065 R)
• M10: 4,043,331 km (0.044 R)
• M11: 7,844,763 km (0.087 R)
• M12: 12,785,681 km (0.086 R)
• M13: 14,002,510 km (0.049 R)
• M14: 14,496,034 km (0.043 R)
• M15: 15,294,737 km (0.12 R)
• M16: 20,894,783 km (0.076 R)
• M17: 21,912,797 km (0.075 R)
• M18: 23,452,009 km (0.113 R)
• M19: 23,748,512 km (0.069 R)
• M20: 24,248,020 km (0.07 R)
• M21: 24,551,105 km (0.114 R)
• M22: 26,851,621 km (0.072 R)
• M23: 28,500,040 km (0.036 R)
• M24: 29,406,154 km (0.065 R)
• M25: 32,606,202 km (0.039 R)
• M26: 46,942,615 km (0.072 R)
• M27: 52,971,858 km (0.04 R)
• M28: 53,311,744 km (0.108 R)
• M29: 62,099,423 km (0.102 R)
• M30: 63,811,869 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 259.4

Radius: 5.2

Gravity: 9.59 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.71 AU - 10.09 AU

Year: 15719 Days

Day: 19.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,706,728 km

• M1: 64,626 km (0.058 R)
• M2: 242,349 km (0.03 R)
• M3: 590,912 km (0.089 R)
• M4: 1,354,160 km (0.049 R)
• M5: 2,474,798 km (0.08 R)
• M6: 2,799,425 km (0.073 R)
• M7: 3,918,417 km (0.039 R)
• M8: 5,242,358 km (0.103 R)
• M9: 8,111,795 km (0.101 R)
• M10: 9,152,398 km (0.112 R)
• M11: 10,955,052 km (0.077 R)
• M12: 11,995,804 km (0.106 R)
• M13: 15,781,678 km (0.081 R)
• M14: 18,503,312 km (0.095 R)
• M15: 20,861,124 km (0.108 R)
• M16: 25,690,442 km (0.102 R)
• M17: 28,412,974 km (0.097 R)
• M18: 33,855,045 km (0.107 R)
• M19: 35,229,401 km (0.063 R)
• M20: 38,456,975 km (0.106 R)
• M21: 45,906,799 km (0.115 R)
• M22: 46,184,303 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 819.1

Radius: 3.6

Gravity: 63.2 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 8.68 AU - 10.3 AU

Year: 18876 Days

Day: 21.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 77,706,728 km

• M1: 44,730 km (0.082 R)
• M2: 203,902 km (0.083 R)
• M3: 333,902 km (0.066 R)
• M4: 629,508 km (0.072 R)
• M5: 763,996 km (0.112 R)
• M6: 1,065,586 km (0.092 R)
• M7: 1,332,468 km (0.099 R)
• M8: 1,899,893 km (0.101 R)
• M9: 2,079,410 km (0.109 R)
• M10: 2,336,120 km (0.104 R)
• M11: 3,124,202 km (0.063 R)
• M12: 4,476,716 km (0.06 R)
• M13: 4,831,114 km (0.108 R)
• M14: 5,676,192 km (0.106 R)
• M15: 8,005,431 km (0.105 R)
• M16: 10,346,638 km (0.09 R)
• M17: 10,529,596 km (0.033 R)
• M18: 10,652,715 km (0.049 R)
• M19: 12,755,462 km (0.076 R)
• M20: 13,977,827 km (0.026 R)
• M21: 14,655,505 km (0.081 R)
• M22: 16,403,855 km (0.115 R)
• M23: 16,819,737 km (0.104 R)
• M24: 18,553,726 km (0.03 R)
• M25: 19,187,872 km (0.097 R)
• M26: 19,463,880 km (0.079 R)
• M27: 23,298,223 km (0.092 R)
• M28: 25,336,195 km (0.085 R)
• M29: 27,606,641 km (0.101 R)
• M30: 46,239,954 km (0.101 R)
• M31: 49,960,902 km (0.045 R)
• M32: 52,609,233 km (0.101 R)
• M33: 60,716,689 km (0.119 R)
• M34: 65,169,171 km (0.119 R)
• M35: 70,269,112 km (0.034 R)
• M36: 72,248,142 km (0.093 R)
• M37: 75,400,020 km (0.067 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 17,084 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit