🌌 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: 881.1

Radius: 10.4

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.47 AU - 0.59 AU

Year: 257 Days

Day: 10.5 Hours

Environment

Temp: -147 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,348,274 km

• M1: 129,402 km (0.058 R)
• M2: 461,061 km (0.105 R)
• M3: 1,031,328 km (0.062 R)
• M4: 1,523,355 km (0.075 R)
• M5: 1,889,122 km (0.098 R)
• M6: 2,224,072 km (0.103 R)
• M7: 2,625,891 km (0.087 R)
• M8: 2,986,123 km (0.034 R)
• M9: 3,422,799 km (0.113 R)
• M10: 4,207,889 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.4

Radius: 12.9

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.55 AU - 0.79 AU

Year: 366 Days

Day: 10.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,348,274 km

• M1: 160,369 km (0.076 R)
• M2: 562,937 km (0.044 R)
• M3: 977,323 km (0.066 R)
• M4: 1,540,708 km (0.061 R)
• M5: 1,992,195 km (0.112 R)
• M6: 2,509,055 km (0.059 R)
• M7: 3,014,995 km (0.064 R)
• M8: 3,419,209 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.7

Radius: 11.2

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.63 AU - 0.85 AU

Year: 424 Days

Day: 7.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 49,348,274 km

• M1: 141,968 km (0.115 R)
• M2: 843,882 km (0.064 R)
• M3: 1,192,145 km (0.064 R)
• M4: 1,660,985 km (0.096 R)
• M5: 2,134,462 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.4

Radius: 8.3

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.18 AU - 1.88 AU

Year: 1262 Days

Day: 11.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 49,348,274 km

• M1: 103,223 km (0.106 R)
• M2: 614,698 km (0.054 R)
• M3: 1,348,475 km (0.112 R)
• M4: 2,767,261 km (0.079 R)
• M5: 3,051,198 km (0.103 R)
• M6: 3,966,139 km (0.038 R)
• M7: 5,967,160 km (0.081 R)
• M8: 6,288,646 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371

Radius: 8

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.42 AU - 2.8 AU

Year: 2812 Days

Day: 11.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,348,274 km

• M1: 99,483 km (0.07 R)
• M2: 369,507 km (0.076 R)
• M3: 661,223 km (0.051 R)
• M4: 1,119,142 km (0.115 R)
• M5: 1,471,594 km (0.106 R)
• M6: 2,363,198 km (0.099 R)
• M7: 3,368,944 km (0.094 R)
• M8: 3,864,711 km (0.087 R)
• M9: 4,635,440 km (0.072 R)
• M10: 4,913,841 km (0.1 R)
• M11: 6,015,630 km (0.116 R)
• M12: 6,745,667 km (0.101 R)
• M13: 8,860,532 km (0.061 R)
• M14: 10,050,583 km (0.077 R)
• M15: 13,165,061 km (0.1 R)
• M16: 13,945,364 km (0.114 R)
• M17: 15,550,250 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.9

Radius: 10.6

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 4.42 AU - 7.04 AU

Year: 9147 Days

Day: 14.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,348,274 km

• M1: 132,095 km (0.072 R)
• M2: 574,007 km (0.103 R)
• M3: 1,772,136 km (0.095 R)
• M4: 2,780,127 km (0.077 R)
• M5: 4,943,910 km (0.074 R)
• M6: 6,275,481 km (0.042 R)
• M7: 7,761,437 km (0.096 R)
• M8: 8,529,921 km (0.057 R)
• M9: 9,308,279 km (0.044 R)
• M10: 10,827,894 km (0.041 R)
• M11: 11,461,291 km (0.082 R)
• M12: 15,508,961 km (0.108 R)
• M13: 16,608,356 km (0.103 R)
• M14: 19,026,605 km (0.099 R)
• M15: 19,616,320 km (0.108 R)
• M16: 20,285,770 km (0.11 R)
• M17: 22,026,342 km (0.101 R)
• M18: 26,932,254 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 814.3

Radius: 3.5

Gravity: 66.47 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.73 AU - 6.09 AU

Year: 9581 Days

Day: 18.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 49,348,274 km

• M1: 48,919 km (0.045 R)
• M2: 159,471 km (0.059 R)
• M3: 409,150 km (0.098 R)
• M4: 533,466 km (0.102 R)
• M5: 1,003,203 km (0.071 R)
• M6: 1,161,029 km (0.115 R)
• M7: 1,484,160 km (0.097 R)
• M8: 2,685,431 km (0.086 R)
• M9: 4,749,433 km (0.057 R)
• M10: 4,874,048 km (0.094 R)
• M11: 5,032,921 km (0.099 R)
• M12: 7,056,532 km (0.106 R)
• M13: 7,425,440 km (0.083 R)
• M14: 10,429,365 km (0.08 R)
• M15: 11,124,995 km (0.117 R)
• M16: 12,549,017 km (0.102 R)
• M17: 13,709,149 km (0.117 R)
• M18: 14,674,205 km (0.092 R)
• M19: 15,821,770 km (0.049 R)
• M20: 18,369,871 km (0.105 R)
• M21: 22,203,765 km (0.065 R)
• M22: 25,668,152 km (0.115 R)
• M23: 26,538,363 km (0.083 R)
• M24: 26,832,622 km (0.099 R)
• M25: 31,185,771 km (0.095 R)
• M26: 31,623,344 km (0.119 R)
• M27: 38,062,186 km (0.098 R)
• M28: 39,830,283 km (0.116 R)
• M29: 40,604,452 km (0.068 R)
• M30: 42,049,717 km (0.092 R)
• M31: 43,122,185 km (0.096 R)
• M32: 44,350,383 km (0.066 R)
• M33: 46,448,792 km (0.085 R)
• M34: 48,320,112 km (0.062 R)
• M35: 48,759,032 km (0.049 R)
• M36: 49,200,496 km (0.099 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 16,806 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit