🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.4

Radius: 13

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.82 AU - 0.94 AU

Year: 525 Days

Day: 8 Hours

Environment

Temp: -143 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,643,682 km

• M1: 161,715 km (0.074 R)
• M2: 794,664 km (0.116 R)
• M3: 1,212,042 km (0.076 R)
• M4: 1,619,846 km (0.112 R)
• M5: 2,032,287 km (0.095 R)
• M6: 2,619,758 km (0.092 R)
• M7: 4,010,420 km (0.095 R)
• M8: 4,436,624 km (0.118 R)
• M9: 5,919,887 km (0.111 R)
• M10: 6,455,298 km (0.103 R)
• M11: 6,898,407 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.4

Radius: 13.1

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.95 AU - 1.17 AU

Year: 694 Days

Day: 9.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,643,682 km

• M1: 162,912 km (0.108 R)
• M2: 616,044 km (0.066 R)
• M3: 1,064,239 km (0.111 R)
• M4: 1,623,885 km (0.106 R)
• M5: 2,102,897 km (0.114 R)
• M6: 2,687,526 km (0.103 R)
• M7: 3,108,045 km (0.111 R)
• M8: 3,747,277 km (0.086 R)
• M9: 4,157,175 km (0.118 R)
• M10: 4,644,415 km (0.041 R)
• M11: 5,152,899 km (0.084 R)
• M12: 5,753,235 km (0.043 R)
• M13: 6,479,084 km (0.065 R)
• M14: 7,073,436 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.7

Radius: 12

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.06 AU - 3 AU

Year: 2559 Days

Day: 12.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,643,682 km

• M1: 150,047 km (0.081 R)
• M2: 865,723 km (0.076 R)
• M3: 1,257,968 km (0.105 R)
• M4: 2,118,007 km (0.118 R)
• M5: 3,266,918 km (0.066 R)
• M6: 3,891,190 km (0.091 R)
• M7: 4,399,823 km (0.1 R)
• M8: 4,861,183 km (0.11 R)
• M9: 5,907,470 km (0.055 R)
• M10: 6,387,979 km (0.084 R)
• M11: 8,846,919 km (0.102 R)
• M12: 10,025,002 km (0.115 R)
• M13: 12,259,396 km (0.089 R)
• M14: 13,999,668 km (0.088 R)
• M15: 16,516,802 km (0.103 R)
• M16: 18,242,114 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.2

Radius: 13.8

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.47 AU - 2.89 AU

Year: 2790 Days

Day: 7.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,643,682 km

• M1: 171,738 km (0.052 R)
• M2: 771,476 km (0.12 R)
• M3: 1,236,576 km (0.078 R)
• M4: 2,002,068 km (0.115 R)
• M5: 2,736,145 km (0.046 R)
• M6: 3,426,240 km (0.04 R)
• M7: 3,988,279 km (0.052 R)
• M8: 4,901,724 km (0.056 R)
• M9: 5,846,734 km (0.101 R)
• M10: 6,852,480 km (0.104 R)
• M11: 7,412,275 km (0.049 R)
• M12: 13,593,360 km (0.092 R)
• M13: 16,419,114 km (0.12 R)
• M14: 17,532,571 km (0.055 R)
• M15: 17,969,696 km (0.099 R)
• M16: 19,383,097 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.9

Radius: 14.8

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.67 AU - 3.03 AU

Year: 3059 Days

Day: 8.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,643,682 km

• M1: 184,005 km (0.05 R)
• M2: 921,672 km (0.112 R)
• M3: 1,414,897 km (0.096 R)
• M4: 2,076,867 km (0.044 R)
• M5: 2,809,298 km (0.083 R)
• M6: 3,439,704 km (0.055 R)
• M7: 4,228,533 km (0.057 R)
• M8: 5,012,426 km (0.05 R)
• M9: 5,864,237 km (0.074 R)
• M10: 6,780,523 km (0.032 R)
• M11: 7,790,459 km (0.106 R)
• M12: 8,262,889 km (0.119 R)
• M13: 10,509,550 km (0.119 R)
• M14: 11,256,791 km (0.108 R)
• M15: 12,307,866 km (0.12 R)
• M16: 16,617,481 km (0.06 R)
• M17: 19,477,194 km (0.079 R)
• M18: 20,287,865 km (0.072 R)
• M19: 20,862,171 km (0.057 R)
• M20: 21,710,989 km (0.03 R)
• M21: 23,130,673 km (0.108 R)

Asteroid Belt

Center: 3.22 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.2

Radius: 12

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.8 AU - 4.36 AU

Year: 4307 Days

Day: 12.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,643,682 km

• M1: 150,346 km (0.077 R)
• M2: 530,923 km (0.082 R)
• M3: 983,456 km (0.09 R)
• M4: 1,437,336 km (0.081 R)
• M5: 1,854,565 km (0.093 R)
• M6: 3,356,527 km (0.097 R)
• M7: 3,811,455 km (0.095 R)
• M8: 4,625,716 km (0.095 R)
• M9: 5,120,885 km (0.111 R)
• M10: 5,853,316 km (0.104 R)
• M11: 6,937,302 km (0.114 R)
• M12: 7,588,053 km (0.071 R)
• M13: 8,441,808 km (0.116 R)
• M14: 9,011,626 km (0.037 R)
• M15: 9,932,700 km (0.086 R)
• M16: 11,111,531 km (0.1 R)
• M17: 13,564,488 km (0.11 R)
• M18: 14,067,585 km (0.093 R)
• M19: 15,159,650 km (0.04 R)
• M20: 15,552,494 km (0.064 R)
• M21: 16,307,365 km (0.032 R)
• M22: 17,298,600 km (0.066 R)
• M23: 18,274,128 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353

Radius: 10.4

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.06 AU - 4.98 AU

Year: 6110 Days

Day: 6.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,643,682 km

• M1: 133,142 km (0.118 R)
• M2: 524,490 km (0.107 R)
• M3: 1,183,469 km (0.109 R)
• M4: 1,570,179 km (0.07 R)
• M5: 2,523,716 km (0.066 R)
• M6: 3,062,418 km (0.039 R)
• M7: 3,530,809 km (0.09 R)
• M8: 4,636,936 km (0.093 R)
• M9: 6,288,945 km (0.095 R)
• M10: 8,011,415 km (0.059 R)
• M11: 8,675,181 km (0.106 R)
• M12: 9,986,705 km (0.097 R)
• M13: 14,550,188 km (0.12 R)
• M14: 18,516,776 km (0.108 R)
• M15: 20,611,295 km (0.072 R)
• M16: 22,859,153 km (0.046 R)
• M17: 24,192,968 km (0.054 R)
• M18: 25,577,945 km (0.08 R)
• M19: 26,530,135 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.9

Radius: 7.2

Gravity: 18.29 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.39 AU - 12.27 AU

Year: 19596 Days

Day: 19.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,643,682 km

• M1: 94,097 km (0.096 R)
• M2: 344,225 km (0.045 R)
• M3: 1,846,187 km (0.053 R)
• M4: 2,436,949 km (0.093 R)
• M5: 3,230,716 km (0.106 R)
• M6: 3,461,246 km (0.076 R)
• M7: 4,531,020 km (0.083 R)
• M8: 6,018,322 km (0.071 R)
• M9: 11,238,390 km (0.088 R)
• M10: 13,028,179 km (0.058 R)
• M11: 13,689,701 km (0.071 R)
• M12: 18,868,779 km (0.08 R)
• M13: 19,810,797 km (0.107 R)
• M14: 20,488,476 km (0.115 R)
• M15: 21,281,943 km (0.118 R)
• M16: 24,440,103 km (0.043 R)
• M17: 34,222,906 km (0.117 R)
• M18: 44,329,439 km (0.096 R)
• M19: 48,908,331 km (0.033 R)
• M20: 50,323,228 km (0.112 R)
• M21: 58,201,949 km (0.106 R)
• M22: 66,648,544 km (0.111 R)
• M23: 74,244,077 km (0.108 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 17,227 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit