🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896.8

Radius: 10.8

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.39 AU - 0.63 AU

Year: 251 Days

Day: 6.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,849,864 km

• M1: 134,339 km (0.096 R)
• M2: 526,884 km (0.073 R)
• M3: 947,104 km (0.108 R)
• M4: 1,344,286 km (0.053 R)
• M5: 1,896,303 km (0.083 R)
• M6: 2,480,333 km (0.071 R)
• M7: 2,979,541 km (0.095 R)
• M8: 3,402,454 km (0.095 R)
• M9: 3,924,850 km (0.116 R)
• M10: 4,447,844 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.5

Radius: 10.9

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.51 AU - 0.67 AU

Year: 313 Days

Day: 14.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,849,864 km

• M1: 135,536 km (0.119 R)
• M2: 566,527 km (0.088 R)
• M3: 932,444 km (0.119 R)
• M4: 1,462,319 km (0.071 R)
• M5: 2,084,497 km (0.093 R)
• M6: 2,443,831 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.8

Radius: 12.5

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.62 AU - 0.74 AU

Year: 387 Days

Day: 10.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,849,864 km

• M1: 155,432 km (0.062 R)
• M2: 585,376 km (0.103 R)
• M3: 1,249,441 km (0.102 R)
• M4: 1,847,982 km (0.114 R)
• M5: 2,577,871 km (0.101 R)
• M6: 3,197,206 km (0.107 R)
• M7: 4,137,728 km (0.115 R)
• M8: 4,625,267 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713

Radius: 12.4

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.25 AU - 1.41 AU

Year: 1059 Days

Day: 13.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,849,864 km

• M1: 154,235 km (0.068 R)
• M2: 586,723 km (0.109 R)
• M3: 1,030,281 km (0.065 R)
• M4: 1,687,314 km (0.097 R)
• M5: 2,527,456 km (0.043 R)
• M6: 3,363,110 km (0.104 R)
• M7: 3,846,012 km (0.03 R)
• M8: 4,392,343 km (0.068 R)
• M9: 4,803,438 km (0.119 R)
• M10: 5,438,331 km (0.102 R)
• M11: 6,128,576 km (0.071 R)
• M12: 7,582,966 km (0.116 R)
• M13: 7,993,164 km (0.114 R)
• M14: 8,664,110 km (0.091 R)
• M15: 9,198,623 km (0.082 R)
• M16: 9,755,277 km (0.05 R)
• M17: 10,839,413 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.3

Radius: 12.7

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.61 AU - 2.03 AU

Year: 1695 Days

Day: 11.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,849,864 km

• M1: 169,644 km (0.116 R)
• M2: 601,234 km (0.111 R)
• M3: 1,106,276 km (0.042 R)
• M4: 1,525,599 km (0.095 R)
• M5: 1,940,434 km (0.052 R)
• M6: 2,961,140 km (0.06 R)
• M7: 3,383,305 km (0.116 R)
• M8: 4,773,518 km (0.108 R)
• M9: 5,679,633 km (0.1 R)
• M10: 6,592,629 km (0.109 R)
• M11: 7,291,101 km (0.081 R)
• M12: 8,430,738 km (0.087 R)
• M13: 9,685,864 km (0.09 R)
• M14: 11,322,016 km (0.101 R)
• M15: 12,127,301 km (0.056 R)
• M16: 13,809,529 km (0.055 R)
• M17: 15,089,937 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.4

Radius: 10.4

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.38 AU - 5.5 AU

Year: 7579 Days

Day: 11 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,849,864 km

• M1: 138,827 km (0.12 R)
• M2: 482,004 km (0.057 R)
• M3: 1,426,416 km (0.081 R)
• M4: 3,177,758 km (0.085 R)
• M5: 3,540,084 km (0.115 R)
• M6: 4,900,228 km (0.084 R)
• M7: 5,275,270 km (0.05 R)
• M8: 5,873,960 km (0.118 R)
• M9: 6,742,077 km (0.119 R)
• M10: 7,139,409 km (0.059 R)
• M11: 7,658,065 km (0.074 R)
• M12: 8,017,698 km (0.093 R)
• M13: 8,350,852 km (0.062 R)
• M14: 10,815,328 km (0.112 R)
• M15: 11,268,759 km (0.115 R)
• M16: 12,165,149 km (0.035 R)
• M17: 12,606,014 km (0.118 R)
• M18: 15,140,202 km (0.073 R)
• M19: 16,825,871 km (0.103 R)
• M20: 17,496,967 km (0.036 R)
• M21: 19,953,065 km (0.056 R)
• M22: 20,983,046 km (0.116 R)
• M23: 21,546,581 km (0.114 R)
• M24: 22,120,289 km (0.082 R)
• M25: 22,557,115 km (0.064 R)
• M26: 24,594,788 km (0.047 R)
• M27: 25,221,453 km (0.093 R)
• M28: 26,834,567 km (0.034 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 930.8

Radius: 3

Gravity: 103.42 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.2 AU - 5.96 AU

Year: 9098 Days

Day: 15.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 74,849,864 km

• M1: 37,250 km (0.064 R)
• M2: 173,982 km (0.044 R)
• M3: 277,803 km (0.119 R)
• M4: 683,812 km (0.109 R)
• M5: 1,050,775 km (0.028 R)
• M6: 1,368,821 km (0.045 R)
• M7: 1,550,133 km (0.075 R)
• M8: 2,946,928 km (0.118 R)
• M9: 3,942,801 km (0.108 R)
• M10: 4,760,503 km (0.115 R)
• M11: 5,897,746 km (0.12 R)
• M12: 6,801,617 km (0.082 R)
• M13: 7,411,378 km (0.094 R)
• M14: 8,234,764 km (0.074 R)
• M15: 9,756,324 km (0.053 R)
• M16: 10,215,889 km (0.08 R)
• M17: 10,796,778 km (0.052 R)
• M18: 11,122,901 km (0.109 R)
• M19: 11,624,054 km (0.056 R)
• M20: 13,403,820 km (0.066 R)
• M21: 13,843,787 km (0.095 R)
• M22: 16,472,371 km (0.059 R)
• M23: 17,122,972 km (0.112 R)
• M24: 17,640,731 km (0.118 R)
• M25: 18,475,187 km (0.086 R)
• M26: 19,735,549 km (0.096 R)
• M27: 20,884,312 km (0.093 R)
• M28: 22,867,082 km (0.069 R)
• M29: 29,985,248 km (0.107 R)
• M30: 32,165,038 km (0.111 R)
• M31: 33,983,101 km (0.101 R)
• M32: 34,799,756 km (0.082 R)
• M33: 40,754,050 km (0.119 R)
• M34: 41,410,785 km (0.058 R)
• M35: 42,476,221 km (0.095 R)
• M36: 43,970,704 km (0.073 R)
• M37: 45,219,248 km (0.056 R)
• M38: 45,922,956 km (0.067 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.2

Radius: 7

Gravity: 18.86 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.51 AU - 6.99 AU

Year: 9517 Days

Day: 24.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,849,864 km

• M1: 87,066 km (0.077 R)
• M2: 515,065 km (0.056 R)
• M3: 1,162,675 km (0.086 R)
• M4: 1,538,614 km (0.1 R)
• M5: 2,534,188 km (0.067 R)
• M6: 2,850,139 km (0.05 R)
• M7: 3,312,396 km (0.108 R)
• M8: 3,561,626 km (0.105 R)
• M9: 4,070,109 km (0.039 R)
• M10: 4,327,268 km (0.103 R)
• M11: 4,564,979 km (0.082 R)
• M12: 5,164,866 km (0.115 R)
• M13: 5,709,702 km (0.091 R)
• M14: 7,034,391 km (0.111 R)
• M15: 7,322,068 km (0.084 R)
• M16: 8,232,670 km (0.069 R)
• M17: 10,647,778 km (0.102 R)
• M18: 11,585,457 km (0.032 R)
• M19: 13,186,454 km (0.105 R)
• M20: 18,865,787 km (0.062 R)
• M21: 19,102,900 km (0.108 R)
• M22: 20,153,077 km (0.093 R)
• M23: 22,812,030 km (0.105 R)
• M24: 30,085,927 km (0.065 R)
• M25: 32,401,104 km (0.081 R)
• M26: 33,198,460 km (0.12 R)
• M27: 36,641,605 km (0.111 R)
• M28: 36,887,544 km (0.056 R)
• M29: 47,068,576 km (0.073 R)
• M30: 48,238,282 km (0.05 R)
• M31: 48,830,241 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 680.6

Radius: 4.2

Gravity: 38.58 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.96 AU - 10.64 AU

Year: 19577 Days

Day: 20.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 74,849,864 km

• M1: 52,509 km (0.108 R)
• M2: 394,340 km (0.042 R)
• M3: 2,839,218 km (0.034 R)
• M4: 3,749,521 km (0.101 R)
• M5: 4,189,040 km (0.059 R)
• M6: 5,245,201 km (0.044 R)
• M7: 5,999,174 km (0.111 R)
• M8: 6,251,545 km (0.093 R)
• M9: 6,959,443 km (0.108 R)
• M10: 9,571,272 km (0.055 R)
• M11: 13,904,224 km (0.04 R)
• M12: 20,123,158 km (0.104 R)
• M13: 21,361,379 km (0.079 R)
• M14: 22,347,678 km (0.096 R)
• M15: 23,261,123 km (0.112 R)
• M16: 25,161,913 km (0.068 R)
• M17: 26,823,197 km (0.12 R)
• M18: 30,485,054 km (0.101 R)
• M19: 33,934,482 km (0.102 R)
• M20: 41,444,295 km (0.098 R)
• M21: 43,754,834 km (0.094 R)
• M22: 46,638,931 km (0.108 R)
• M23: 50,160,764 km (0.094 R)
• M24: 58,867,959 km (0.113 R)
• M25: 68,529,289 km (0.064 R)
• M26: 68,953,399 km (0.091 R)
• M27: 70,666,893 km (0.085 R)
• M28: 74,401,903 km (0.11 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 15,545 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit