🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.1

Radius: 13.5

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.92 AU - 1.24 AU

Year: 725 Days

Day: 5.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,474,512 km

• M1: 173,982 km (0.056 R)
• M2: 614,099 km (0.068 R)
• M3: 1,071,869 km (0.087 R)
• M4: 1,634,506 km (0.041 R)
• M5: 2,392,369 km (0.096 R)
• M6: 2,848,792 km (0.101 R)
• M7: 4,331,158 km (0.097 R)
• M8: 4,775,463 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.6

Radius: 9.8

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.99 AU - 1.59 AU

Year: 946 Days

Day: 11.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 61 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,474,512 km

• M1: 121,922 km (0.093 R)
• M2: 486,193 km (0.12 R)
• M3: 948,750 km (0.107 R)
• M4: 1,541,157 km (0.098 R)
• M5: 1,859,352 km (0.103 R)
• M6: 2,204,325 km (0.094 R)
• M7: 2,611,680 km (0.072 R)
• M8: 2,939,149 km (0.108 R)
• M9: 3,434,618 km (0.054 R)
• M10: 3,984,988 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.1

Radius: 12.9

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.14 AU - 1.72 AU

Year: 1104 Days

Day: 9.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,474,512 km

• M1: 160,369 km (0.043 R)
• M2: 591,360 km (0.118 R)
• M3: 1,333,515 km (0.047 R)
• M4: 1,877,453 km (0.101 R)
• M5: 2,445,776 km (0.063 R)
• M6: 3,301,775 km (0.097 R)
• M7: 3,767,622 km (0.079 R)
• M8: 4,295,254 km (0.041 R)
• M9: 5,028,882 km (0.088 R)
• M10: 5,499,667 km (0.094 R)
• M11: 6,601,904 km (0.115 R)
• M12: 8,710,934 km (0.072 R)
• M13: 9,453,688 km (0.1 R)
• M14: 9,856,256 km (0.119 R)
• M15: 10,997,837 km (0.058 R)
• M16: 11,972,916 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.8

Radius: 11.7

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.27 AU - 1.79 AU

Year: 1222 Days

Day: 10.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,474,512 km

• M1: 145,559 km (0.092 R)
• M2: 532,269 km (0.081 R)
• M3: 1,316,760 km (0.113 R)
• M4: 2,293,934 km (0.105 R)
• M5: 4,257,107 km (0.11 R)
• M6: 4,832,310 km (0.071 R)
• M7: 5,549,931 km (0.08 R)
• M8: 6,079,957 km (0.088 R)
• M9: 7,968,779 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.9

Radius: 13.8

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.52 AU - 1.7 AU

Year: 1319 Days

Day: 13.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,474,512 km

• M1: 171,589 km (0.114 R)
• M2: 617,690 km (0.095 R)
• M3: 1,363,585 km (0.098 R)
• M4: 1,936,245 km (0.097 R)
• M5: 2,453,555 km (0.111 R)
• M6: 3,238,644 km (0.073 R)
• M7: 3,958,659 km (0.098 R)
• M8: 5,501,462 km (0.049 R)
• M9: 5,989,151 km (0.095 R)
• M10: 6,651,570 km (0.077 R)
• M11: 8,236,560 km (0.092 R)
• M12: 9,676,140 km (0.091 R)
• M13: 10,556,374 km (0.096 R)
• M14: 11,418,506 km (0.067 R)
• M15: 12,215,564 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.6

Radius: 10

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.4 AU - 2.66 AU

Year: 2598 Days

Day: 9.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,474,512 km

• M1: 124,316 km (0.032 R)
• M2: 529,726 km (0.12 R)
• M3: 1,013,526 km (0.076 R)
• M4: 1,389,315 km (0.12 R)
• M5: 1,726,359 km (0.111 R)
• M6: 2,612,876 km (0.051 R)
• M7: 3,117,470 km (0.109 R)
• M8: 4,082,675 km (0.111 R)
• M9: 4,785,785 km (0.092 R)
• M10: 5,212,588 km (0.057 R)
• M11: 5,938,437 km (0.104 R)
• M12: 6,648,129 km (0.038 R)
• M13: 8,718,564 km (0.028 R)
• M14: 10,171,159 km (0.056 R)
• M15: 10,840,759 km (0.092 R)
• M16: 11,186,480 km (0.107 R)
• M17: 11,899,912 km (0.083 R)
• M18: 12,309,212 km (0.082 R)
• M19: 14,041,256 km (0.112 R)
• M20: 14,498,577 km (0.091 R)
• M21: 15,394,668 km (0.118 R)
• M22: 15,881,011 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369.4

Radius: 6.2

Gravity: 9.61 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 9.26 AU - 10.32 AU

Year: 19778 Days

Day: 21.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 161.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 61,474,512 km

• M1: 83,027 km (0.096 R)
• M2: 292,763 km (0.066 R)
• M3: 511,625 km (0.075 R)
• M4: 776,413 km (0.114 R)
• M5: 1,071,420 km (0.106 R)
• M6: 1,718,281 km (0.119 R)
• M7: 2,823,959 km (0.105 R)
• M8: 3,393,179 km (0.096 R)
• M9: 4,757,063 km (0.096 R)
• M10: 5,236,225 km (0.075 R)
• M11: 5,597,653 km (0.032 R)
• M12: 5,822,499 km (0.12 R)
• M13: 6,411,017 km (0.086 R)
• M14: 7,660,009 km (0.077 R)
• M15: 9,478,970 km (0.104 R)
• M16: 9,906,969 km (0.096 R)
• M17: 10,460,182 km (0.113 R)
• M18: 13,338,894 km (0.103 R)
• M19: 13,944,766 km (0.113 R)
• M20: 14,639,199 km (0.075 R)
• M21: 15,575,981 km (0.097 R)
• M22: 18,625,982 km (0.108 R)
• M23: 20,956,418 km (0.102 R)
• M24: 22,898,198 km (0.077 R)
• M25: 23,571,239 km (0.119 R)
• M26: 29,891,001 km (0.107 R)
• M27: 34,552,770 km (0.118 R)
• M28: 40,229,261 km (0.094 R)
• M29: 41,208,529 km (0.076 R)
• M30: 42,203,654 km (0.044 R)
• M31: 46,957,276 km (0.116 R)
• M32: 49,942,052 km (0.105 R)
• M33: 51,072,863 km (0.059 R)
• M34: 51,562,646 km (0.065 R)
• M35: 55,422,421 km (0.094 R)
• M36: 61,290,547 km (0.097 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 19,738 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit