🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.9

Radius: 8.5

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.67 AU - 0.85 AU

Year: 421 Days

Day: 9.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,930,946 km

• M1: 106,364 km (0.06 R)
• M2: 392,545 km (0.105 R)
• M3: 687,103 km (0.102 R)
• M4: 974,929 km (0.112 R)
• M5: 1,320,351 km (0.063 R)
• M6: 1,784,403 km (0.099 R)
• M7: 2,290,044 km (0.105 R)
• M8: 2,651,323 km (0.063 R)
• M9: 3,513,456 km (0.073 R)
• M10: 3,838,981 km (0.072 R)
• M11: 4,130,098 km (0.038 R)
• M12: 4,741,953 km (0.076 R)
• M13: 5,046,535 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.4

Radius: 8.4

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.86 AU - 2 AU

Year: 1705 Days

Day: 6.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,930,946 km

• M1: 104,569 km (0.088 R)
• M2: 373,247 km (0.11 R)
• M3: 744,848 km (0.088 R)
• M4: 1,145,172 km (0.113 R)
• M5: 1,459,477 km (0.077 R)
• M6: 2,051,436 km (0.11 R)
• M7: 2,360,804 km (0.064 R)
• M8: 2,648,780 km (0.047 R)
• M9: 4,097,635 km (0.088 R)
• M10: 4,553,759 km (0.119 R)
• M11: 4,843,381 km (0.109 R)
• M12: 5,876,803 km (0.099 R)
• M13: 6,433,456 km (0.116 R)
• M14: 7,152,573 km (0.119 R)
• M15: 7,760,240 km (0.072 R)
• M16: 9,229,889 km (0.094 R)
• M17: 10,241,769 km (0.097 R)
• M18: 10,606,190 km (0.069 R)
• M19: 11,186,330 km (0.03 R)
• M20: 12,004,631 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.6

Radius: 8.9

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.57 AU - 2.39 AU

Year: 1771 Days

Day: 6.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,930,946 km

• M1: 110,702 km (0.103 R)
• M2: 574,905 km (0.113 R)
• M3: 908,957 km (0.088 R)
• M4: 1,296,116 km (0.084 R)
• M5: 1,647,073 km (0.076 R)
• M6: 1,934,450 km (0.028 R)
• M7: 2,516,386 km (0.044 R)
• M8: 2,870,933 km (0.103 R)
• M9: 3,242,683 km (0.11 R)
• M10: 3,576,885 km (0.085 R)
• M11: 4,008,176 km (0.116 R)
• M12: 4,534,461 km (0.056 R)
• M13: 5,084,233 km (0.119 R)
• M14: 7,506,073 km (0.11 R)
• M15: 8,870,555 km (0.104 R)
• M16: 9,902,033 km (0.12 R)
• M17: 10,500,723 km (0.118 R)
• M18: 11,964,987 km (0.041 R)
• M19: 12,603,471 km (0.108 R)
• M20: 13,013,968 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.7

Radius: 10.9

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.03 AU - 2.17 AU

Year: 1935 Days

Day: 7.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,930,946 km

• M1: 135,984 km (0.073 R)
• M2: 481,256 km (0.111 R)
• M3: 1,134,251 km (0.036 R)
• M4: 1,815,969 km (0.109 R)
• M5: 2,319,365 km (0.108 R)
• M6: 2,887,089 km (0.081 R)
• M7: 3,226,527 km (0.1 R)
• M8: 3,672,478 km (0.069 R)
• M9: 4,283,436 km (0.114 R)
• M10: 4,765,889 km (0.074 R)
• M11: 5,222,611 km (0.112 R)
• M12: 6,481,926 km (0.116 R)
• M13: 7,717,605 km (0.071 R)
• M14: 8,125,708 km (0.115 R)
• M15: 9,467,750 km (0.089 R)
• M16: 9,967,557 km (0.048 R)
• M17: 11,191,118 km (0.098 R)
• M18: 11,821,373 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.3

Radius: 10.6

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.19 AU - 3.61 AU

Year: 3140 Days

Day: 12.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,930,946 km

• M1: 132,544 km (0.116 R)
• M2: 492,925 km (0.039 R)
• M3: 949,498 km (0.103 R)
• M4: 1,364,333 km (0.104 R)
• M5: 1,853,218 km (0.061 R)
• M6: 5,314,165 km (0.119 R)
• M7: 6,232,846 km (0.051 R)
• M8: 6,589,487 km (0.078 R)
• M9: 7,224,231 km (0.115 R)
• M10: 7,618,122 km (0.085 R)
• M11: 9,410,753 km (0.113 R)
• M12: 10,367,282 km (0.09 R)
• M13: 12,216,910 km (0.042 R)
• M14: 12,997,213 km (0.101 R)
• M15: 13,581,243 km (0.097 R)
• M16: 16,094,038 km (0.085 R)
• M17: 19,360,956 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.3

Radius: 10.2

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.56 AU - 3.66 AU

Year: 3487 Days

Day: 9.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,930,946 km

• M1: 131,945 km (0.026 R)
• M2: 529,576 km (0.103 R)
• M3: 911,949 km (0.12 R)
• M4: 1,610,122 km (0.069 R)
• M5: 2,687,376 km (0.109 R)
• M6: 3,365,055 km (0.118 R)
• M7: 3,989,626 km (0.088 R)
• M8: 5,165,016 km (0.108 R)
• M9: 6,164,031 km (0.063 R)
• M10: 7,313,840 km (0.092 R)
• M11: 7,671,379 km (0.101 R)
• M12: 8,999,957 km (0.104 R)
• M13: 10,168,616 km (0.11 R)
• M14: 11,693,766 km (0.044 R)
• M15: 13,083,381 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.1

Radius: 11.1

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.62 AU - 5.58 AU

Year: 6273 Days

Day: 5.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 173.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,930,946 km

• M1: 138,228 km (0.098 R)
• M2: 546,481 km (0.119 R)
• M3: 1,674,000 km (0.087 R)
• M4: 2,389,676 km (0.111 R)
• M5: 3,092,487 km (0.105 R)
• M6: 3,626,402 km (0.036 R)
• M7: 4,373,344 km (0.079 R)
• M8: 5,019,757 km (0.076 R)
• M9: 5,545,593 km (0.082 R)
• M10: 6,075,469 km (0.097 R)
• M11: 6,639,004 km (0.117 R)
• M12: 9,508,291 km (0.114 R)
• M13: 10,177,442 km (0.099 R)
• M14: 12,530,916 km (0.037 R)
• M15: 13,335,453 km (0.116 R)
• M16: 14,003,557 km (0.085 R)
• M17: 14,461,177 km (0.062 R)
• M18: 15,588,397 km (0.106 R)
• M19: 21,659,079 km (0.111 R)
• M20: 22,271,682 km (0.115 R)
• M21: 24,672,578 km (0.082 R)
• M22: 25,172,684 km (0.12 R)
• M23: 27,775,537 km (0.116 R)
• M24: 30,266,940 km (0.1 R)
• M25: 34,020,800 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.2

Radius: 3.8

Gravity: 55.48 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.67 AU - 6.57 AU

Year: 9626 Days

Day: 16.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 49,930,946 km

• M1: 47,273 km (0.055 R)
• M2: 200,312 km (0.101 R)
• M3: 509,381 km (0.112 R)
• M4: 892,052 km (0.082 R)
• M5: 1,271,881 km (0.049 R)
• M6: 2,538,825 km (0.09 R)
• M7: 2,920,450 km (0.081 R)
• M8: 3,363,559 km (0.105 R)
• M9: 3,850,051 km (0.06 R)
• M10: 5,219,769 km (0.118 R)
• M11: 6,122,442 km (0.082 R)
• M12: 6,533,986 km (0.096 R)
• M13: 6,727,117 km (0.096 R)
• M14: 6,963,781 km (0.112 R)
• M15: 9,447,554 km (0.091 R)
• M16: 10,356,661 km (0.104 R)
• M17: 10,566,247 km (0.047 R)
• M18: 10,832,382 km (0.1 R)
• M19: 11,489,116 km (0.099 R)
• M20: 14,512,938 km (0.03 R)
• M21: 15,377,913 km (0.076 R)
• M22: 16,560,335 km (0.108 R)
• M23: 16,703,350 km (0.101 R)
• M24: 23,032,986 km (0.099 R)
• M25: 25,612,053 km (0.117 R)
• M26: 25,803,239 km (0.057 R)
• M27: 26,091,963 km (0.038 R)
• M28: 30,043,142 km (0.038 R)
• M29: 30,576,758 km (0.104 R)
• M30: 40,126,038 km (0.109 R)
• M31: 43,025,395 km (0.107 R)
• M32: 48,211,055 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573

Radius: 7.5

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.23 AU - 8.65 AU

Year: 11624 Days

Day: 16.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,930,946 km

• M1: 94,247 km (0.111 R)
• M2: 645,964 km (0.05 R)
• M3: 949,198 km (0.096 R)
• M4: 1,425,518 km (0.094 R)
• M5: 1,741,768 km (0.077 R)
• M6: 2,477,042 km (0.06 R)
• M7: 4,912,644 km (0.071 R)
• M8: 5,333,912 km (0.062 R)
• M9: 5,604,983 km (0.061 R)
• M10: 6,511,696 km (0.071 R)
• M11: 6,940,444 km (0.075 R)
• M12: 7,304,864 km (0.094 R)
• M13: 8,986,942 km (0.096 R)
• M14: 9,371,559 km (0.057 R)
• M15: 9,766,946 km (0.095 R)
• M16: 11,685,987 km (0.037 R)
• M17: 17,260,902 km (0.117 R)
• M18: 18,463,519 km (0.03 R)
• M19: 24,017,789 km (0.079 R)
• M20: 24,293,797 km (0.067 R)
• M21: 24,665,248 km (0.107 R)
• M22: 25,040,290 km (0.077 R)
• M23: 34,990,942 km (0.115 R)
• M24: 35,227,307 km (0.096 R)
• M25: 38,271,922 km (0.072 R)
• M26: 46,570,565 km (0.065 R)
• M27: 49,781,534 km (0.089 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 345 - 18,059 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit