🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.3

Radius: 11.6

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.69 AU - 1.13 AU

Year: 569 Days

Day: 5.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,122,917 km

• M1: 153,487 km (0.104 R)
• M2: 806,333 km (0.12 R)
• M3: 1,579,604 km (0.108 R)
• M4: 1,956,890 km (0.082 R)
• M5: 2,443,980 km (0.108 R)
• M6: 3,059,276 km (0.106 R)
• M7: 3,419,957 km (0.093 R)
• M8: 3,786,771 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.4

Radius: 10.2

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.21 AU - 1.29 AU

Year: 917 Days

Day: 5.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,122,917 km

• M1: 126,859 km (0.11 R)
• M2: 603,328 km (0.114 R)
• M3: 982,110 km (0.07 R)
• M4: 1,310,328 km (0.079 R)
• M5: 1,636,302 km (0.098 R)
• M6: 1,969,007 km (0.101 R)
• M7: 2,873,177 km (0.113 R)
• M8: 3,293,547 km (0.045 R)
• M9: 4,425,703 km (0.063 R)
• M10: 5,268,837 km (0.115 R)
• M11: 6,673,711 km (0.111 R)
• M12: 7,487,224 km (0.05 R)
• M13: 9,452,042 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.8

Radius: 8.5

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.09 AU - 1.55 AU

Year: 995 Days

Day: 14.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,122,917 km

• M1: 107,411 km (0.096 R)
• M2: 585,227 km (0.039 R)
• M3: 854,054 km (0.074 R)
• M4: 1,135,149 km (0.071 R)
• M5: 1,526,646 km (0.11 R)
• M6: 1,891,964 km (0.104 R)
• M7: 2,167,374 km (0.064 R)
• M8: 2,775,639 km (0.11 R)
• M9: 3,450,176 km (0.091 R)
• M10: 4,116,335 km (0.087 R)
• M11: 4,937,927 km (0.031 R)
• M12: 5,563,246 km (0.115 R)
• M13: 6,261,868 km (0.075 R)
• M14: 7,157,061 km (0.107 R)
• M15: 7,441,596 km (0.111 R)
• M16: 8,419,069 km (0.096 R)
• M17: 8,952,385 km (0.081 R)
• M18: 9,621,836 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.5

Radius: 13.4

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.48 AU - 1.54 AU

Year: 1217 Days

Day: 13.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,122,917 km

• M1: 166,652 km (0.057 R)
• M2: 611,556 km (0.079 R)
• M3: 1,230,742 km (0.035 R)
• M4: 2,289,296 km (0.107 R)
• M5: 3,103,109 km (0.042 R)
• M6: 3,886,403 km (0.114 R)
• M7: 4,779,353 km (0.103 R)
• M8: 5,427,112 km (0.09 R)
• M9: 5,891,015 km (0.119 R)
• M10: 6,874,920 km (0.111 R)
• M11: 7,859,423 km (0.066 R)
• M12: 9,615,403 km (0.105 R)
• M13: 10,393,013 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.7

Radius: 14.7

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.72 AU - 3.24 AU

Year: 3375 Days

Day: 9.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,122,917 km

• M1: 182,809 km (0.038 R)
• M2: 666,907 km (0.099 R)
• M3: 1,124,228 km (0.107 R)
• M4: 1,780,215 km (0.08 R)
• M5: 2,735,995 km (0.039 R)
• M6: 3,417,713 km (0.117 R)
• M7: 4,324,126 km (0.055 R)
• M8: 5,150,206 km (0.085 R)
• M9: 6,166,574 km (0.041 R)
• M10: 7,117,717 km (0.115 R)
• M11: 7,816,339 km (0.093 R)
• M12: 8,670,244 km (0.114 R)
• M13: 9,625,277 km (0.107 R)
• M14: 10,691,760 km (0.059 R)
• M15: 11,564,663 km (0.06 R)
• M16: 12,531,814 km (0.083 R)
• M17: 13,502,405 km (0.081 R)
• M18: 15,051,790 km (0.07 R)
• M19: 15,814,141 km (0.101 R)
• M20: 16,774,409 km (0.064 R)
• M21: 25,067,666 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.1

Radius: 11.2

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.35 AU - 4.13 AU

Year: 4745 Days

Day: 7.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,122,917 km

• M1: 141,071 km (0.084 R)
• M2: 565,330 km (0.036 R)
• M3: 959,222 km (0.063 R)
• M4: 1,577,210 km (0.064 R)
• M5: 2,446,524 km (0.113 R)
• M6: 3,225,779 km (0.107 R)
• M7: 3,935,621 km (0.112 R)
• M8: 4,424,058 km (0.101 R)
• M9: 7,193,563 km (0.101 R)
• M10: 9,177,680 km (0.059 R)
• M11: 9,746,600 km (0.097 R)
• M12: 11,456,504 km (0.116 R)
• M13: 12,164,551 km (0.102 R)
• M14: 13,255,568 km (0.074 R)
• M15: 15,861,114 km (0.098 R)
• M16: 18,661,736 km (0.098 R)
• M17: 21,776,663 km (0.112 R)
• M18: 25,301,338 km (0.085 R)
• M19: 25,856,945 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.9

Radius: 9.1

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.65 AU - 5.21 AU

Year: 6117 Days

Day: 10 Hours

Environment

Temp: -213 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,122,917 km

• M1: 113,246 km (0.053 R)
• M2: 670,198 km (0.074 R)
• M3: 1,429,856 km (0.063 R)
• M4: 2,089,284 km (0.068 R)
• M5: 2,388,480 km (0.083 R)
• M6: 3,357,874 km (0.047 R)
• M7: 4,193,827 km (0.066 R)
• M8: 4,833,058 km (0.117 R)
• M9: 5,506,398 km (0.065 R)
• M10: 6,177,195 km (0.092 R)
• M11: 6,833,481 km (0.116 R)
• M12: 8,284,580 km (0.071 R)
• M13: 9,713,988 km (0.112 R)
• M14: 10,692,508 km (0.105 R)
• M15: 11,396,665 km (0.095 R)
• M16: 13,212,185 km (0.068 R)
• M17: 14,077,908 km (0.107 R)
• M18: 14,412,259 km (0.112 R)
• M19: 15,154,563 km (0.112 R)
• M20: 17,987,349 km (0.097 R)
• M21: 25,408,600 km (0.111 R)
• M22: 26,575,912 km (0.096 R)
• M23: 29,468,387 km (0.094 R)
• M24: 30,015,915 km (0.117 R)
• M25: 32,177,904 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 602.4

Radius: 5.4

Gravity: 20.66 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 6.64 AU - 8.06 AU

Year: 13072 Days

Day: 17.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 55,122,917 km

• M1: 68,516 km (0.101 R)
• M2: 300,243 km (0.108 R)
• M3: 499,358 km (0.105 R)
• M4: 934,239 km (0.098 R)
• M5: 1,245,253 km (0.062 R)
• M6: 1,700,778 km (0.114 R)
• M7: 1,880,894 km (0.112 R)
• M8: 2,147,178 km (0.111 R)
• M9: 2,499,780 km (0.045 R)
• M10: 2,912,820 km (0.095 R)
• M11: 3,576,586 km (0.081 R)
• M12: 4,964,705 km (0.067 R)
• M13: 6,361,799 km (0.089 R)
• M14: 7,129,236 km (0.117 R)
• M15: 7,513,553 km (0.103 R)
• M16: 7,688,882 km (0.102 R)
• M17: 7,956,812 km (0.118 R)
• M18: 10,491,897 km (0.025 R)
• M19: 11,444,088 km (0.113 R)
• M20: 12,391,640 km (0.07 R)
• M21: 14,307,540 km (0.056 R)
• M22: 17,157,380 km (0.102 R)
• M23: 17,847,176 km (0.082 R)
• M24: 18,634,808 km (0.076 R)
• M25: 19,776,390 km (0.088 R)
• M26: 20,877,280 km (0.11 R)
• M27: 21,311,413 km (0.109 R)
• M28: 27,000,620 km (0.028 R)
• M29: 29,751,875 km (0.104 R)
• M30: 31,762,470 km (0.086 R)
• M31: 34,100,685 km (0.097 R)
• M32: 34,945,464 km (0.085 R)
• M33: 47,677,889 km (0.081 R)
• M34: 47,977,982 km (0.097 R)
• M35: 53,596,878 km (0.05 R)
• M36: 54,902,419 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.9

Radius: 5.6

Gravity: 11.76 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 7.99 AU - 9.39 AU

Year: 16805 Days

Day: 16.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 55,122,917 km

• M1: 69,713 km (0.063 R)
• M2: 1,026,092 km (0.058 R)
• M3: 1,239,718 km (0.109 R)
• M4: 1,601,146 km (0.028 R)
• M5: 2,012,391 km (0.077 R)
• M6: 5,569,379 km (0.093 R)
• M7: 6,586,345 km (0.118 R)
• M8: 7,721,644 km (0.058 R)
• M9: 9,379,786 km (0.101 R)
• M10: 11,666,390 km (0.114 R)
• M11: 12,020,638 km (0.077 R)
• M12: 13,317,801 km (0.077 R)
• M13: 15,118,959 km (0.112 R)
• M14: 15,469,467 km (0.113 R)
• M15: 17,303,836 km (0.103 R)
• M16: 18,471,447 km (0.116 R)
• M17: 18,711,103 km (0.065 R)
• M18: 20,876,084 km (0.079 R)
• M19: 25,301,338 km (0.063 R)
• M20: 26,905,027 km (0.07 R)
• M21: 30,092,360 km (0.117 R)
• M22: 31,434,701 km (0.108 R)
• M23: 36,572,939 km (0.118 R)
• M24: 36,824,713 km (0.116 R)
• M25: 39,538,268 km (0.053 R)
• M26: 40,203,530 km (0.113 R)
• M27: 46,529,575 km (0.082 R)
• M28: 48,322,057 km (0.077 R)
• M29: 49,082,313 km (0.099 R)
• M30: 51,885,329 km (0.074 R)
• M31: 53,003,573 km (0.079 R)
• M32: 53,974,912 km (0.1 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 19,654 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit