🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.2

Radius: 10.9

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.85 AU - 1.09 AU

Year: 617 Days

Day: 7.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,797,428 km

• M1: 135,536 km (0.063 R)
• M2: 506,090 km (0.111 R)
• M3: 983,157 km (0.098 R)
• M4: 1,446,312 km (0.076 R)
• M5: 2,215,395 km (0.087 R)
• M6: 2,609,735 km (0.1 R)
• M7: 3,200,347 km (0.06 R)
• M8: 5,141,380 km (0.095 R)
• M9: 5,537,814 km (0.114 R)
• M10: 6,013,236 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.1

Radius: 14.3

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.57 AU - 1.87 AU

Year: 1456 Days

Day: 12.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,797,428 km

• M1: 178,620 km (0.093 R)
• M2: 676,033 km (0.054 R)
• M3: 1,220,120 km (0.085 R)
• M4: 1,906,026 km (0.08 R)
• M5: 2,378,756 km (0.117 R)
• M6: 3,155,917 km (0.079 R)
• M7: 3,733,664 km (0.1 R)
• M8: 4,972,035 km (0.05 R)
• M9: 6,313,479 km (0.118 R)
• M10: 8,543,235 km (0.025 R)
• M11: 9,941,078 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.4

Radius: 13.4

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.52 AU - 3.66 AU

Year: 3507 Days

Day: 13.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,797,428 km

• M1: 166,652 km (0.095 R)
• M2: 645,814 km (0.044 R)
• M3: 1,088,773 km (0.056 R)
• M4: 1,623,885 km (0.086 R)
• M5: 2,278,824 km (0.045 R)
• M6: 3,021,129 km (0.095 R)
• M7: 4,186,347 km (0.034 R)
• M8: 5,133,002 km (0.089 R)
• M9: 6,469,210 km (0.109 R)
• M10: 7,295,290 km (0.071 R)
• M11: 7,734,210 km (0.095 R)
• M12: 8,909,451 km (0.109 R)
• M13: 9,375,149 km (0.081 R)
• M14: 9,819,455 km (0.1 R)
• M15: 12,039,188 km (0.107 R)
• M16: 12,476,163 km (0.089 R)
• M17: 15,995,154 km (0.098 R)
• M18: 16,900,969 km (0.097 R)
• M19: 18,582,599 km (0.077 R)
• M20: 20,250,316 km (0.029 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.3

Radius: 8.2

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.33 AU - 3.53 AU

Year: 4102 Days

Day: 8.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,797,428 km

• M1: 102,026 km (0.113 R)
• M2: 742,155 km (0.093 R)
• M3: 1,587,682 km (0.057 R)
• M4: 2,317,570 km (0.118 R)
• M5: 3,926,645 km (0.109 R)
• M6: 4,489,133 km (0.096 R)
• M7: 4,755,716 km (0.117 R)
• M8: 5,444,465 km (0.101 R)
• M9: 6,614,171 km (0.094 R)
• M10: 7,197,902 km (0.069 R)
• M11: 7,847,156 km (0.096 R)
• M12: 9,156,138 km (0.102 R)
• M13: 9,441,570 km (0.078 R)
• M14: 10,722,128 km (0.107 R)
• M15: 15,706,729 km (0.043 R)
• M16: 19,596,573 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.6

Radius: 13.1

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.12 AU - 4.74 AU

Year: 6020 Days

Day: 9.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,797,428 km

• M1: 168,298 km (0.07 R)
• M2: 587,172 km (0.117 R)
• M3: 1,061,995 km (0.035 R)
• M4: 1,940,135 km (0.045 R)
• M5: 2,353,474 km (0.079 R)
• M6: 2,826,502 km (0.091 R)
• M7: 4,038,694 km (0.034 R)
• M8: 5,845,986 km (0.097 R)
• M9: 7,211,365 km (0.111 R)
• M10: 11,420,601 km (0.1 R)
• M11: 12,219,603 km (0.117 R)
• M12: 13,162,817 km (0.037 R)
• M13: 14,041,406 km (0.067 R)
• M14: 15,253,298 km (0.085 R)
• M15: 16,346,709 km (0.096 R)
• M16: 19,728,668 km (0.072 R)
• M17: 20,155,172 km (0.085 R)
• M18: 21,026,280 km (0.066 R)
• M19: 21,545,983 km (0.055 R)
• M20: 21,998,217 km (0.104 R)
• M21: 22,456,884 km (0.116 R)
• M22: 23,631,377 km (0.101 R)
• M23: 26,789,837 km (0.091 R)
• M24: 30,313,615 km (0.089 R)
• M25: 30,786,793 km (0.107 R)
• M26: 31,650,721 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.6

Radius: 14.6

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 4.91 AU - 5.79 AU

Year: 7990 Days

Day: 5.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 79,797,428 km

• M1: 181,761 km (0.111 R)
• M2: 662,419 km (0.118 R)
• M3: 1,215,483 km (0.087 R)
• M4: 1,726,808 km (0.047 R)
• M5: 2,619,758 km (0.054 R)
• M6: 3,381,660 km (0.073 R)
• M7: 5,601,991 km (0.095 R)
• M8: 6,475,793 km (0.059 R)
• M9: 7,477,650 km (0.079 R)
• M10: 7,955,016 km (0.104 R)
• M11: 10,956,548 km (0.049 R)
• M12: 12,654,933 km (0.111 R)
• M13: 13,220,113 km (0.066 R)
• M14: 13,684,316 km (0.108 R)
• M15: 14,523,111 km (0.064 R)
• M16: 15,269,006 km (0.075 R)
• M17: 16,303,176 km (0.08 R)
• M18: 18,153,851 km (0.092 R)
• M19: 20,293,550 km (0.065 R)
• M20: 22,269,139 km (0.095 R)
• M21: 23,345,795 km (0.066 R)
• M22: 24,025,268 km (0.092 R)
• M23: 25,782,146 km (0.093 R)
• M24: 29,847,169 km (0.095 R)
• M25: 32,292,645 km (0.085 R)
• M26: 34,869,020 km (0.12 R)
• M27: 35,757,481 km (0.103 R)
• M28: 36,547,059 km (0.07 R)
• M29: 38,044,534 km (0.04 R)
• M30: 39,105,033 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.2

Radius: 12.2

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.2 AU - 6.56 AU

Year: 8057 Days

Day: 6.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,797,428 km

• M1: 168,896 km (0.094 R)
• M2: 628,909 km (0.054 R)
• M3: 1,015,620 km (0.112 R)
• M4: 1,609,224 km (0.09 R)
• M5: 2,035,279 km (0.076 R)
• M6: 2,426,777 km (0.082 R)
• M7: 3,365,204 km (0.088 R)
• M8: 4,503,793 km (0.072 R)
• M9: 5,717,780 km (0.067 R)
• M10: 6,653,365 km (0.025 R)
• M11: 11,865,654 km (0.081 R)
• M12: 13,209,492 km (0.119 R)
• M13: 15,801,724 km (0.117 R)
• M14: 16,600,726 km (0.082 R)
• M15: 17,079,140 km (0.096 R)
• M16: 23,051,536 km (0.106 R)
• M17: 23,476,095 km (0.111 R)
• M18: 25,496,863 km (0.07 R)
• M19: 26,042,596 km (0.036 R)
• M20: 26,503,208 km (0.106 R)
• M21: 30,488,644 km (0.085 R)
• M22: 40,480,885 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.4

Radius: 12.7

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.37 AU - 6.51 AU

Year: 9347 Days

Day: 10.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,797,428 km

• M1: 157,975 km (0.075 R)
• M2: 1,024,895 km (0.085 R)
• M3: 2,451,909 km (0.101 R)
• M4: 3,373,282 km (0.063 R)
• M5: 5,755,329 km (0.06 R)
• M6: 7,173,667 km (0.092 R)
• M7: 14,823,653 km (0.058 R)
• M8: 15,625,946 km (0.053 R)
• M9: 16,811,659 km (0.095 R)
• M10: 24,937,217 km (0.104 R)
• M11: 26,264,449 km (0.082 R)
• M12: 28,648,291 km (0.1 R)
• M13: 31,173,204 km (0.111 R)
• M14: 32,712,716 km (0.078 R)
• M15: 33,501,246 km (0.108 R)
• M16: 40,015,934 km (0.081 R)
• M17: 40,917,860 km (0.11 R)
• M18: 43,840,853 km (0.082 R)
• M19: 46,758,161 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.5

Radius: 6.9

Gravity: 16.44 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 6.91 AU - 10.21 AU

Year: 16171 Days

Day: 23.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 79,797,428 km

• M1: 85,869 km (0.092 R)
• M2: 1,202,318 km (0.1 R)
• M3: 1,892,114 km (0.117 R)
• M4: 2,240,827 km (0.115 R)
• M5: 3,692,674 km (0.112 R)
• M6: 4,334,897 km (0.082 R)
• M7: 4,699,916 km (0.049 R)
• M8: 5,453,590 km (0.057 R)
• M9: 5,839,553 km (0.106 R)
• M10: 6,285,055 km (0.111 R)
• M11: 6,752,997 km (0.109 R)
• M12: 7,474,807 km (0.081 R)
• M13: 8,652,442 km (0.032 R)
• M14: 10,234,439 km (0.115 R)
• M15: 11,556,735 km (0.05 R)
• M16: 12,653,586 km (0.074 R)
• M17: 16,597,136 km (0.084 R)
• M18: 18,329,479 km (0.091 R)
• M19: 18,586,488 km (0.087 R)
• M20: 19,371,727 km (0.083 R)
• M21: 20,453,021 km (0.075 R)
• M22: 21,008,478 km (0.071 R)
• M23: 22,538,714 km (0.027 R)
• M24: 22,932,755 km (0.061 R)
• M25: 23,937,604 km (0.053 R)
• M26: 27,238,930 km (0.114 R)
• M27: 29,172,333 km (0.118 R)
• M28: 33,437,518 km (0.093 R)
• M29: 36,726,427 km (0.09 R)
• M30: 41,242,936 km (0.094 R)
• M31: 50,347,313 km (0.079 R)
• M32: 52,729,659 km (0.119 R)
• M33: 56,986,466 km (0.082 R)
• M34: 61,084,700 km (0.114 R)
• M35: 61,850,342 km (0.099 R)
• M36: 64,383,034 km (0.116 R)
• M37: 65,176,052 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 742.4

Radius: 6.5

Gravity: 17.57 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 9.42 AU - 10.72 AU

Year: 20633 Days

Day: 19.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 79,797,428 km

• M1: 81,980 km (0.105 R)
• M2: 479,461 km (0.112 R)
• M3: 757,564 km (0.048 R)
• M4: 976,874 km (0.114 R)
• M5: 1,498,223 km (0.06 R)
• M6: 1,775,128 km (0.088 R)
• M7: 2,620,207 km (0.103 R)
• M8: 3,411,579 km (0.11 R)
• M9: 4,118,729 km (0.074 R)
• M10: 4,594,599 km (0.086 R)
• M11: 4,956,477 km (0.094 R)
• M12: 5,182,669 km (0.102 R)
• M13: 8,516,756 km (0.1 R)
• M14: 9,175,286 km (0.093 R)
• M15: 12,633,391 km (0.089 R)
• M16: 15,078,119 km (0.074 R)
• M17: 15,554,139 km (0.053 R)
• M18: 15,877,121 km (0.053 R)
• M19: 19,356,618 km (0.069 R)
• M20: 19,918,956 km (0.082 R)
• M21: 21,671,346 km (0.114 R)
• M22: 22,074,213 km (0.096 R)
• M23: 22,791,385 km (0.074 R)
• M24: 22,999,027 km (0.064 R)
• M25: 24,597,480 km (0.104 R)
• M26: 30,333,511 km (0.101 R)
• M27: 34,388,362 km (0.088 R)
• M28: 34,936,488 km (0.07 R)
• M29: 39,235,183 km (0.061 R)
• M30: 47,837,210 km (0.118 R)
• M31: 50,608,361 km (0.082 R)
• M32: 52,574,376 km (0.084 R)
• M33: 54,035,948 km (0.045 R)
• M34: 58,388,199 km (0.028 R)
• M35: 60,153,005 km (0.114 R)
• M36: 66,715,714 km (0.111 R)
• M37: 66,928,143 km (0.057 R)
• M38: 71,050,761 km (0.043 R)
• M39: 73,739,782 km (0.106 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 14,573 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit