🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.9

Radius: 12.4

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.49 AU - 0.81 AU

Year: 362 Days

Day: 7.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,612,193 km

• M1: 154,235 km (0.119 R)
• M2: 851,361 km (0.088 R)
• M3: 1,404,874 km (0.066 R)
• M4: 1,909,318 km (0.075 R)
• M5: 2,698,446 km (0.116 R)
• M6: 3,132,579 km (0.086 R)
• M7: 3,741,293 km (0.119 R)
• M8: 4,349,109 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.9

Radius: 14.5

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.83 AU - 0.99 AU

Year: 599 Days

Day: 14.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,612,193 km

• M1: 181,163 km (0.096 R)
• M2: 721,660 km (0.05 R)
• M3: 1,226,852 km (0.119 R)
• M4: 2,385,637 km (0.074 R)
• M5: 3,103,258 km (0.076 R)
• M6: 3,719,302 km (0.119 R)
• M7: 4,184,851 km (0.087 R)
• M8: 5,918,092 km (0.051 R)
• M9: 7,761,586 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.3

Radius: 14.4

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.05 AU - 1.47 AU

Year: 976 Days

Day: 6.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,612,193 km

• M1: 179,069 km (0.091 R)
• M2: 707,448 km (0.074 R)
• M3: 1,187,358 km (0.059 R)
• M4: 1,671,008 km (0.069 R)
• M5: 2,579,516 km (0.082 R)
• M6: 3,400,659 km (0.06 R)
• M7: 4,299,892 km (0.052 R)
• M8: 5,028,433 km (0.097 R)
• M9: 5,493,533 km (0.085 R)
• M10: 6,392,018 km (0.09 R)
• M11: 7,517,891 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.5

Radius: 9.8

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.62 AU - 1.72 AU

Year: 1490 Days

Day: 5.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,612,193 km

• M1: 123,119 km (0.077 R)
• M2: 1,374,804 km (0.079 R)
• M3: 1,679,535 km (0.078 R)
• M4: 2,062,356 km (0.094 R)
• M5: 2,578,469 km (0.106 R)
• M6: 2,978,344 km (0.098 R)
• M7: 3,937,416 km (0.114 R)
• M8: 4,619,881 km (0.099 R)
• M9: 4,989,538 km (0.113 R)
• M10: 6,454,550 km (0.098 R)
• M11: 6,818,372 km (0.092 R)
• M12: 7,144,794 km (0.066 R)
• M13: 7,455,359 km (0.055 R)
• M14: 7,965,488 km (0.109 R)
• M15: 8,789,025 km (0.065 R)
• M16: 10,738,883 km (0.088 R)
• M17: 11,530,405 km (0.067 R)
• M18: 12,103,814 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 521.9

Radius: 6.8

Gravity: 11.29 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.51 AU - 5.97 AU

Year: 9492 Days

Day: 22.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,612,193 km

• M1: 84,672 km (0.093 R)
• M2: 347,516 km (0.084 R)
• M3: 1,030,879 km (0.101 R)
• M4: 1,378,544 km (0.117 R)
• M5: 1,642,884 km (0.059 R)
• M6: 2,103,047 km (0.104 R)
• M7: 2,492,749 km (0.108 R)
• M8: 2,805,708 km (0.101 R)
• M9: 3,463,191 km (0.107 R)
• M10: 3,703,894 km (0.109 R)
• M11: 4,007,428 km (0.07 R)
• M12: 4,327,567 km (0.06 R)
• M13: 4,578,742 km (0.119 R)
• M14: 5,359,643 km (0.091 R)
• M15: 6,878,360 km (0.118 R)
• M16: 7,298,880 km (0.1 R)
• M17: 8,446,745 km (0.113 R)
• M18: 8,663,811 km (0.066 R)
• M19: 9,710,398 km (0.037 R)
• M20: 14,008,045 km (0.095 R)
• M21: 15,574,634 km (0.03 R)
• M22: 17,674,988 km (0.062 R)
• M23: 21,772,325 km (0.067 R)
• M24: 22,180,876 km (0.054 R)
• M25: 22,929,464 km (0.07 R)
• M26: 23,866,994 km (0.069 R)
• M27: 24,126,995 km (0.042 R)
• M28: 25,365,815 km (0.097 R)
• M29: 25,909,454 km (0.108 R)
• M30: 28,162,098 km (0.092 R)
• M31: 29,734,372 km (0.106 R)
• M32: 31,260,569 km (0.08 R)
• M33: 37,420,711 km (0.063 R)
• M34: 39,803,206 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445.7

Radius: 5

Gravity: 17.83 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 7.14 AU - 9.06 AU

Year: 15913 Days

Day: 17.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,612,193 km

• M1: 62,233 km (0.065 R)
• M2: 593,455 km (0.089 R)
• M3: 1,604,288 km (0.061 R)
• M4: 1,897,948 km (0.083 R)
• M5: 2,094,370 km (0.117 R)
• M6: 2,465,971 km (0.098 R)
• M7: 2,722,681 km (0.089 R)
• M8: 3,068,252 km (0.098 R)
• M9: 6,046,447 km (0.103 R)
• M10: 6,920,996 km (0.069 R)
• M11: 7,345,106 km (0.097 R)
• M12: 8,059,585 km (0.102 R)
• M13: 14,001,314 km (0.11 R)
• M14: 16,026,270 km (0.094 R)
• M15: 17,070,314 km (0.064 R)
• M16: 18,558,663 km (0.11 R)
• M17: 18,720,229 km (0.111 R)
• M18: 21,081,482 km (0.104 R)
• M19: 27,105,040 km (0.106 R)
• M20: 30,003,947 km (0.031 R)
• M21: 32,396,765 km (0.12 R)
• M22: 32,748,619 km (0.093 R)
• M23: 33,340,728 km (0.084 R)
• M24: 37,172,229 km (0.105 R)
• M25: 37,816,547 km (0.102 R)
• M26: 42,676,682 km (0.083 R)
• M27: 47,785,150 km (0.118 R)
• M28: 51,514,326 km (0.065 R)
• M29: 53,940,953 km (0.075 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 11,447 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit