🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.5

Radius: 13

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.51 AU - 0.61 AU

Year: 289 Days

Day: 7.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,029,959 km

• M1: 161,715 km (0.114 R)
• M2: 690,544 km (0.032 R)
• M3: 1,295,518 km (0.085 R)
• M4: 1,890,917 km (0.093 R)
• M5: 2,518,630 km (0.04 R)
• M6: 3,029,955 km (0.096 R)
• M7: 3,448,680 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419

Radius: 10.4

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.64 AU - 0.7 AU

Year: 379 Days

Day: 9.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,029,959 km

• M1: 132,693 km (0.039 R)
• M2: 466,745 km (0.08 R)
• M3: 976,874 km (0.09 R)
• M4: 1,387,819 km (0.109 R)
• M5: 1,772,585 km (0.102 R)
• M6: 2,715,351 km (0.097 R)
• M7: 3,240,439 km (0.087 R)
• M8: 3,738,301 km (0.103 R)
• M9: 4,122,917 km (0.062 R)
• M10: 4,481,204 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.4

Radius: 14

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.75 AU - 0.97 AU

Year: 551 Days

Day: 9.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 29,029,959 km

• M1: 174,282 km (0.076 R)
• M2: 772,673 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.7

Radius: 14.6

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.79 AU - 2.11 AU

Year: 1880 Days

Day: 14.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,029,959 km

• M1: 181,612 km (0.076 R)
• M2: 781,200 km (0.101 R)
• M3: 1,268,440 km (0.119 R)
• M4: 2,034,381 km (0.073 R)
• M5: 3,602,466 km (0.11 R)
• M6: 4,184,701 km (0.052 R)
• M7: 5,000,758 km (0.112 R)
• M8: 7,226,624 km (0.05 R)
• M9: 8,590,508 km (0.054 R)
• M10: 11,286,561 km (0.088 R)
• M11: 12,259,097 km (0.111 R)
• M12: 12,910,296 km (0.079 R)
• M13: 14,237,828 km (0.067 R)
• M14: 16,179,459 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.8

Radius: 8.1

Gravity: 13.9 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.23 AU - 3.29 AU

Year: 4063 Days

Day: 10.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 29,029,959 km

• M1: 103,522 km (0.105 R)
• M2: 442,361 km (0.109 R)
• M3: 810,970 km (0.045 R)
• M4: 1,233,584 km (0.039 R)
• M5: 1,560,755 km (0.041 R)
• M6: 2,251,448 km (0.064 R)
• M7: 2,556,029 km (0.038 R)
• M8: 3,992,019 km (0.071 R)
• M9: 4,564,231 km (0.071 R)
• M10: 4,896,189 km (0.113 R)
• M11: 5,930,658 km (0.105 R)
• M12: 6,357,760 km (0.043 R)
• M13: 6,643,043 km (0.073 R)
• M14: 6,970,214 km (0.079 R)
• M15: 7,692,173 km (0.041 R)
• M16: 8,126,456 km (0.032 R)
• M17: 9,365,126 km (0.102 R)
• M18: 10,330,032 km (0.107 R)
• M19: 11,923,399 km (0.11 R)
• M20: 16,285,523 km (0.102 R)
• M21: 16,701,106 km (0.108 R)
• M22: 17,990,042 km (0.09 R)
• M23: 19,212,256 km (0.102 R)
• M24: 19,676,309 km (0.115 R)
• M25: 23,434,955 km (0.095 R)
• M26: 26,002,503 km (0.088 R)
• M27: 27,312,233 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.5

Radius: 5

Gravity: 27.26 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.86 AU - 7.84 AU

Year: 12375 Days

Day: 15.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 29,029,959 km

• M1: 62,233 km (0.085 R)
• M2: 219,909 km (0.119 R)
• M3: 440,117 km (0.099 R)
• M4: 625,170 km (0.111 R)
• M5: 842,984 km (0.109 R)
• M6: 1,579,604 km (0.095 R)
• M7: 1,918,742 km (0.082 R)
• M8: 3,206,182 km (0.091 R)
• M9: 3,431,925 km (0.103 R)
• M10: 4,442,458 km (0.076 R)
• M11: 4,982,806 km (0.108 R)
• M12: 5,217,675 km (0.094 R)
• M13: 6,270,096 km (0.066 R)
• M14: 7,500,089 km (0.056 R)
• M15: 8,171,784 km (0.071 R)
• M16: 8,785,733 km (0.112 R)
• M17: 9,228,393 km (0.099 R)
• M18: 9,582,791 km (0.119 R)
• M19: 10,372,817 km (0.114 R)
• M20: 11,725,930 km (0.062 R)
• M21: 11,902,904 km (0.045 R)
• M22: 12,141,812 km (0.116 R)
• M23: 12,505,933 km (0.054 R)
• M24: 14,845,793 km (0.059 R)
• M25: 16,263,981 km (0.06 R)
• M26: 17,157,081 km (0.044 R)
• M27: 20,970,330 km (0.111 R)
• M28: 22,206,906 km (0.1 R)
• M29: 24,151,529 km (0.093 R)
• M30: 26,814,820 km (0.027 R)
• M31: 28,375,874 km (0.111 R)
• M32: 28,695,265 km (0.087 R)
• M33: 30,550,279 km (0.07 R)
• M34: 30,885,677 km (0.113 R)
• M35: 34,016,013 km (0.115 R)
• M36: 34,497,119 km (0.112 R)
• M37: 35,104,636 km (0.075 R)
• M38: 37,863,371 km (0.034 R)
• M39: 42,962,863 km (0.104 R)
• M40: 46,703,857 km (0.106 R)
• M41: 47,596,956 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.1

Radius: 6.8

Gravity: 15.7 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 7.08 AU - 7.7 AU

Year: 13867 Days

Day: 15.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 29,029,959 km

• M1: 104,569 km (0.109 R)
• M2: 766,689 km (0.035 R)
• M3: 988,094 km (0.084 R)
• M4: 1,226,852 km (0.076 R)
• M5: 1,504,356 km (0.109 R)
• M6: 1,756,129 km (0.11 R)
• M7: 2,187,270 km (0.061 R)
• M8: 3,060,024 km (0.076 R)
• M9: 3,712,421 km (0.113 R)
• M10: 5,011,529 km (0.108 R)
• M11: 5,325,235 km (0.087 R)
• M12: 5,877,102 km (0.077 R)
• M13: 7,094,380 km (0.07 R)
• M14: 10,236,982 km (0.084 R)
• M15: 10,742,623 km (0.056 R)
• M16: 12,172,629 km (0.028 R)
• M17: 19,167,377 km (0.104 R)
• M18: 20,108,497 km (0.047 R)
• M19: 21,623,026 km (0.117 R)
• M20: 23,693,909 km (0.085 R)
• M21: 29,667,352 km (0.065 R)
• M22: 38,284,189 km (0.089 R)
• M23: 40,602,807 km (0.102 R)
• M24: 43,013,427 km (0.036 R)
• M25: 54,792,165 km (0.066 R)
• M26: 55,474,481 km (0.086 R)
• M27: 60,229,898 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722.7

Radius: 7.7

Gravity: 12.19 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.8 AU - 8.68 AU

Year: 14864 Days

Day: 15.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 29,029,959 km

• M1: 95,743 km (0.057 R)
• M2: 391,348 km (0.055 R)
• M3: 634,445 km (0.067 R)
• M4: 972,985 km (0.076 R)
• M5: 1,675,646 km (0.11 R)
• M6: 1,986,211 km (0.079 R)
• M7: 2,294,233 km (0.066 R)
• M8: 2,724,327 km (0.081 R)
• M9: 4,730,285 km (0.103 R)
• M10: 5,283,198 km (0.071 R)
• M11: 5,878,299 km (0.113 R)
• M12: 6,394,112 km (0.109 R)
• M13: 7,113,678 km (0.097 R)
• M14: 7,607,201 km (0.038 R)
• M15: 8,414,880 km (0.091 R)
• M16: 9,758,568 km (0.082 R)
• M17: 11,061,715 km (0.066 R)
• M18: 12,670,192 km (0.091 R)
• M19: 14,499,474 km (0.091 R)
• M20: 14,856,565 km (0.067 R)
• M21: 15,737,546 km (0.079 R)
• M22: 16,420,760 km (0.054 R)
• M23: 19,525,364 km (0.036 R)
• M24: 21,123,967 km (0.12 R)
• M25: 21,675,684 km (0.106 R)
• M26: 22,712,098 km (0.071 R)
• M27: 25,602,329 km (0.1 R)
• M28: 26,019,258 km (0.076 R)
• M29: 28,283,273 km (0.092 R)
• M30: 29,066,268 km (0.113 R)
• M31: 30,209,644 km (0.077 R)
• M32: 32,342,910 km (0.058 R)
• M33: 32,586,007 km (0.067 R)
• M34: 35,340,851 km (0.096 R)
• M35: 38,382,924 km (0.102 R)
• M36: 41,308,909 km (0.1 R)
• M37: 49,994,262 km (0.056 R)
• M38: 60,371,567 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 41.1

Radius: 6.3

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.25 AU - 10.25 AU

Year: 16357 Days

Day: 16.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,029,959 km

• M1: 78,389 km (0.076 R)
• M2: 329,265 km (0.08 R)
• M3: 724,951 km (0.119 R)
• M4: 1,020,257 km (0.103 R)
• M5: 1,642,734 km (0.057 R)
• M6: 2,245,763 km (0.1 R)
• M7: 2,606,294 km (0.102 R)
• M8: 2,809,448 km (0.112 R)
• M9: 3,324,813 km (0.077 R)
• M10: 4,033,159 km (0.051 R)
• M11: 5,886,975 km (0.086 R)
• M12: 9,611,663 km (0.12 R)
• M13: 11,524,422 km (0.081 R)
• M14: 18,573,473 km (0.074 R)
• M15: 22,841,949 km (0.116 R)
• M16: 24,748,125 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 44.4

Radius: 6.7

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 7.88 AU - 10.04 AU

Year: 18513 Days

Day: 21.3 Hours

Environment

Temp: -244 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,029,959 km

• M1: 86,168 km (0.117 R)
• M2: 332,706 km (0.093 R)
• M3: 1,231,041 km (0.064 R)
• M4: 1,561,503 km (0.045 R)
• M5: 2,182,334 km (0.104 R)
• M6: 2,937,803 km (0.099 R)
• M7: 4,320,087 km (0.106 R)
• M8: 4,925,659 km (0.061 R)
• M9: 5,221,414 km (0.09 R)
• M10: 6,180,786 km (0.111 R)
• M11: 8,519,300 km (0.048 R)
• M12: 9,185,010 km (0.08 R)
• M13: 10,097,407 km (0.069 R)
• M14: 12,541,089 km (0.093 R)
• M15: 13,979,173 km (0.119 R)
• M16: 19,013,590 km (0.118 R)
• M17: 19,475,249 km (0.09 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 19,246 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit