🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.6

Radius: 8.9

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.51 AU - 0.55 AU

Year: 266 Days

Day: 7.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,206,780 km

• M1: 110,702 km (0.107 R)
• M2: 391,946 km (0.095 R)
• M3: 710,440 km (0.094 R)
• M4: 1,097,300 km (0.114 R)
• M5: 1,706,762 km (0.037 R)
• M6: 2,277,628 km (0.07 R)
• M7: 3,230,566 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.5

Radius: 13.1

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.49 AU - 0.81 AU

Year: 362 Days

Day: 7.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,206,780 km

• M1: 163,062 km (0.106 R)
• M2: 574,157 km (0.055 R)
• M3: 1,184,067 km (0.065 R)
• M4: 1,761,665 km (0.068 R)
• M5: 2,245,165 km (0.055 R)
• M6: 2,677,054 km (0.095 R)
• M7: 3,144,398 km (0.112 R)
• M8: 3,564,020 km (0.062 R)
• M9: 4,021,490 km (0.088 R)
• M10: 4,465,197 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.8

Radius: 9.2

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.8 AU - 1.08 AU

Year: 629 Days

Day: 5 Hours

Environment

Temp: -175 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,206,780 km

• M1: 114,442 km (0.111 R)
• M2: 403,465 km (0.118 R)
• M3: 708,795 km (0.115 R)
• M4: 1,064,239 km (0.08 R)
• M5: 1,382,883 km (0.112 R)
• M6: 2,040,814 km (0.103 R)
• M7: 2,390,275 km (0.073 R)
• M8: 2,718,642 km (0.071 R)
• M9: 3,575,688 km (0.075 R)
• M10: 3,863,963 km (0.103 R)
• M11: 4,374,691 km (0.077 R)
• M12: 4,661,021 km (0.107 R)
• M13: 5,465,409 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.1

Radius: 9.4

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.2 AU - 1.78 AU

Year: 1255 Days

Day: 5.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,206,780 km

• M1: 116,986 km (0.115 R)
• M2: 427,102 km (0.098 R)
• M3: 812,316 km (0.112 R)
• M4: 1,221,167 km (0.039 R)
• M5: 1,635,703 km (0.093 R)
• M6: 2,099,457 km (0.106 R)
• M7: 2,573,981 km (0.091 R)
• M8: 3,175,813 km (0.119 R)
• M9: 3,487,426 km (0.098 R)
• M10: 5,003,600 km (0.088 R)
• M11: 5,489,943 km (0.086 R)
• M12: 5,985,261 km (0.083 R)
• M13: 7,625,901 km (0.098 R)
• M14: 7,943,797 km (0.098 R)
• M15: 8,749,082 km (0.079 R)
• M16: 9,638,292 km (0.077 R)
• M17: 11,252,602 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.9

Radius: 9.3

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.2 AU - 1.94 AU

Year: 1358 Days

Day: 14.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,206,780 km

• M1: 115,639 km (0.032 R)
• M2: 458,966 km (0.047 R)
• M3: 817,104 km (0.078 R)
• M4: 1,253,929 km (0.103 R)
• M5: 1,807,292 km (0.091 R)
• M6: 2,505,016 km (0.119 R)
• M7: 2,946,928 km (0.028 R)
• M8: 3,278,737 km (0.078 R)
• M9: 4,033,308 km (0.115 R)
• M10: 4,829,767 km (0.12 R)
• M11: 6,288,346 km (0.119 R)
• M12: 7,062,665 km (0.087 R)
• M13: 7,519,537 km (0.062 R)
• M14: 8,118,228 km (0.117 R)
• M15: 8,441,957 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.8

Radius: 10.5

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.87 AU - 3.85 AU

Year: 4251 Days

Day: 13.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,206,780 km

• M1: 130,749 km (0.076 R)
• M2: 585,825 km (0.053 R)
• M3: 1,032,225 km (0.082 R)
• M4: 1,409,212 km (0.115 R)
• M5: 2,253,094 km (0.094 R)
• M6: 2,644,292 km (0.037 R)
• M7: 3,099,369 km (0.079 R)
• M8: 3,626,701 km (0.111 R)
• M9: 4,988,790 km (0.112 R)
• M10: 6,603,100 km (0.097 R)
• M11: 7,211,515 km (0.09 R)
• M12: 7,614,681 km (0.119 R)
• M13: 8,320,334 km (0.084 R)
• M14: 10,961,036 km (0.115 R)
• M15: 11,999,694 km (0.079 R)
• M16: 13,251,379 km (0.084 R)
• M17: 16,934,479 km (0.037 R)
• M18: 19,328,793 km (0.116 R)
• M19: 19,977,300 km (0.075 R)
• M20: 20,774,656 km (0.042 R)
• M21: 23,512,896 km (0.095 R)
• M22: 25,776,611 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642.2

Radius: 4.3

Gravity: 34.73 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.32 AU - 6.88 AU

Year: 9147 Days

Day: 20.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 44,206,780 km

• M1: 53,556 km (0.064 R)
• M2: 196,572 km (0.117 R)
• M3: 346,917 km (0.054 R)
• M4: 492,327 km (0.103 R)
• M5: 893,847 km (0.066 R)
• M6: 1,175,540 km (0.045 R)
• M7: 1,420,432 km (0.09 R)
• M8: 1,835,267 km (0.073 R)
• M9: 2,045,601 km (0.103 R)
• M10: 2,290,044 km (0.119 R)
• M11: 2,534,038 km (0.05 R)
• M12: 3,008,413 km (0.076 R)
• M13: 3,278,138 km (0.103 R)
• M14: 3,613,237 km (0.093 R)
• M15: 4,755,716 km (0.111 R)
• M16: 5,311,921 km (0.109 R)
• M17: 5,841,797 km (0.079 R)
• M18: 7,439,652 km (0.086 R)
• M19: 8,491,325 km (0.112 R)
• M20: 8,757,759 km (0.109 R)
• M21: 10,884,891 km (0.108 R)
• M22: 11,305,560 km (0.1 R)
• M23: 13,392,749 km (0.101 R)
• M24: 13,572,416 km (0.087 R)
• M25: 15,524,968 km (0.096 R)
• M26: 18,830,034 km (0.101 R)
• M27: 24,131,932 km (0.096 R)
• M28: 24,846,262 km (0.047 R)
• M29: 27,844,502 km (0.072 R)
• M30: 31,285,253 km (0.072 R)
• M31: 38,148,953 km (0.045 R)
• M32: 39,117,450 km (0.082 R)
• M33: 39,607,831 km (0.097 R)
• M34: 41,993,020 km (0.099 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 16,055 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit