🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.9

Radius: 10.9

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.6 AU - 0.86 AU

Year: 431 Days

Day: 14.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,200,042 km

• M1: 135,536 km (0.111 R)
• M2: 488,587 km (0.104 R)
• M3: 868,416 km (0.096 R)
• M4: 1,293,124 km (0.081 R)
• M5: 2,038,421 km (0.103 R)
• M6: 2,382,047 km (0.107 R)
• M7: 2,796,583 km (0.104 R)
• M8: 3,355,331 km (0.095 R)
• M9: 3,785,724 km (0.064 R)
• M10: 4,666,406 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.5

Radius: 10.7

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.7 AU - 0.94 AU

Year: 513 Days

Day: 12.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,200,042 km

• M1: 133,142 km (0.046 R)
• M2: 621,878 km (0.028 R)
• M3: 988,244 km (0.088 R)
• M4: 1,378,844 km (0.098 R)
• M5: 1,815,370 km (0.115 R)
• M6: 2,324,302 km (0.095 R)
• M7: 2,869,886 km (0.088 R)
• M8: 3,371,487 km (0.082 R)
• M9: 3,737,703 km (0.098 R)
• M10: 4,233,021 km (0.098 R)
• M11: 4,788,029 km (0.095 R)
• M12: 5,150,505 km (0.063 R)
• M13: 5,931,107 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.8

Radius: 14.9

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.12 AU - 1.58 AU

Year: 1083 Days

Day: 12.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,200,042 km

• M1: 185,352 km (0.084 R)
• M2: 721,361 km (0.108 R)
• M3: 1,205,609 km (0.108 R)
• M4: 2,063,703 km (0.083 R)
• M5: 2,855,524 km (0.12 R)
• M6: 3,946,242 km (0.06 R)
• M7: 4,604,772 km (0.111 R)
• M8: 5,446,858 km (0.056 R)
• M9: 6,164,180 km (0.102 R)
• M10: 7,718,053 km (0.076 R)
• M11: 8,348,160 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.3

Radius: 12.4

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.58 AU - 3.24 AU

Year: 3426 Days

Day: 9.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,200,042 km

• M1: 167,699 km (0.112 R)
• M2: 605,722 km (0.074 R)
• M3: 1,204,412 km (0.098 R)
• M4: 1,694,944 km (0.1 R)
• M5: 2,416,903 km (0.087 R)
• M6: 2,906,836 km (0.104 R)
• M7: 3,499,842 km (0.116 R)
• M8: 4,584,876 km (0.101 R)
• M9: 6,459,187 km (0.086 R)
• M10: 7,379,663 km (0.093 R)
• M11: 9,518,165 km (0.101 R)
• M12: 11,614,031 km (0.093 R)
• M13: 14,193,846 km (0.091 R)
• M14: 14,584,296 km (0.092 R)
• M15: 18,602,196 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.9

Radius: 11.8

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.22 AU - 3.52 AU

Year: 4270 Days

Day: 8.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,200,042 km

• M1: 164,857 km (0.115 R)
• M2: 1,108,670 km (0.099 R)
• M3: 1,504,655 km (0.087 R)
• M4: 3,064,512 km (0.078 R)
• M5: 3,533,053 km (0.051 R)
• M6: 4,260,697 km (0.048 R)
• M7: 5,614,558 km (0.039 R)
• M8: 6,348,186 km (0.111 R)
• M9: 13,293,716 km (0.105 R)
• M10: 14,348,829 km (0.091 R)
• M11: 14,796,127 km (0.116 R)
• M12: 16,571,106 km (0.111 R)
• M13: 18,954,499 km (0.088 R)
• M14: 19,675,561 km (0.038 R)
• M15: 20,166,242 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.4

Radius: 13.4

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 3.05 AU - 4.79 AU

Year: 5357 Days

Day: 10.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,200,042 km

• M1: 166,652 km (0.06 R)
• M2: 1,404,275 km (0.1 R)
• M3: 2,035,728 km (0.077 R)
• M4: 4,100,178 km (0.053 R)
• M5: 4,597,143 km (0.113 R)
• M6: 5,055,211 km (0.114 R)
• M7: 5,828,632 km (0.094 R)
• M8: 6,937,601 km (0.078 R)
• M9: 9,694,092 km (0.112 R)
• M10: 10,494,590 km (0.087 R)
• M11: 10,977,941 km (0.087 R)
• M12: 14,899,350 km (0.083 R)
• M13: 16,138,917 km (0.095 R)
• M14: 18,188,558 km (0.092 R)
• M15: 18,694,947 km (0.1 R)
• M16: 19,736,148 km (0.117 R)
• M17: 21,580,241 km (0.108 R)
• M18: 22,219,772 km (0.091 R)
• M19: 23,836,326 km (0.092 R)
• M20: 24,443,245 km (0.055 R)
• M21: 27,138,400 km (0.11 R)
• M22: 27,800,221 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.7

Radius: 14.6

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.05 AU - 4.85 AU

Year: 5419 Days

Day: 6.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,200,042 km

• M1: 181,612 km (0.11 R)
• M2: 662,868 km (0.109 R)
• M3: 1,214,136 km (0.057 R)
• M4: 2,640,851 km (0.048 R)
• M5: 3,622,662 km (0.085 R)
• M6: 4,370,951 km (0.068 R)
• M7: 4,943,910 km (0.105 R)
• M8: 5,806,043 km (0.083 R)
• M9: 6,868,188 km (0.091 R)
• M10: 7,356,475 km (0.071 R)
• M11: 8,056,294 km (0.07 R)
• M12: 9,504,252 km (0.084 R)
• M13: 11,647,989 km (0.096 R)
• M14: 13,986,952 km (0.068 R)
• M15: 16,376,928 km (0.044 R)
• M16: 17,572,364 km (0.117 R)
• M17: 18,623,289 km (0.089 R)
• M18: 19,925,539 km (0.036 R)
• M19: 25,829,718 km (0.078 R)
• M20: 28,149,532 km (0.063 R)
• M21: 29,863,325 km (0.062 R)
• M22: 31,550,041 km (0.074 R)
• M23: 32,222,933 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.3

Radius: 10.9

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 4.16 AU - 5.78 AU

Year: 7648 Days

Day: 7.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,200,042 km

• M1: 136,134 km (0.099 R)
• M2: 483,351 km (0.049 R)
• M3: 1,078,900 km (0.068 R)
• M4: 1,468,752 km (0.042 R)
• M5: 2,127,731 km (0.064 R)
• M6: 3,475,458 km (0.085 R)
• M7: 4,545,232 km (0.111 R)
• M8: 6,035,825 km (0.109 R)
• M9: 6,842,307 km (0.096 R)
• M10: 8,127,802 km (0.099 R)
• M11: 8,473,074 km (0.069 R)
• M12: 9,234,228 km (0.075 R)
• M13: 11,744,031 km (0.098 R)
• M14: 12,436,520 km (0.052 R)
• M15: 14,397,598 km (0.111 R)
• M16: 15,657,063 km (0.097 R)
• M17: 16,012,956 km (0.105 R)
• M18: 19,057,871 km (0.094 R)
• M19: 22,544,250 km (0.072 R)
• M20: 25,199,462 km (0.064 R)
• M21: 26,602,241 km (0.076 R)
• M22: 27,969,416 km (0.107 R)
• M23: 30,381,981 km (0.109 R)
• M24: 31,497,532 km (0.111 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.2

Radius: 10.1

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.47 AU - 5.63 AU

Year: 7833 Days

Day: 6.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,200,042 km

• M1: 125,662 km (0.079 R)
• M2: 685,457 km (0.106 R)
• M3: 1,414,597 km (0.1 R)
• M4: 1,921,884 km (0.106 R)
• M5: 3,081,716 km (0.091 R)
• M6: 3,428,783 km (0.036 R)
• M7: 3,916,921 km (0.097 R)
• M8: 6,676,852 km (0.096 R)
• M9: 7,156,014 km (0.07 R)
• M10: 8,415,778 km (0.065 R)
• M11: 14,609,429 km (0.116 R)
• M12: 15,595,279 km (0.116 R)
• M13: 17,314,906 km (0.092 R)
• M14: 18,023,851 km (0.107 R)
• M15: 19,915,815 km (0.106 R)
• M16: 29,810,368 km (0.052 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.4

Radius: 6.2

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 8.73 AU - 11.39 AU

Year: 22025 Days

Day: 23.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,200,042 km

• M1: 81,531 km (0.117 R)
• M2: 463,305 km (0.074 R)
• M3: 780,003 km (0.054 R)
• M4: 1,732,044 km (0.112 R)
• M5: 2,798,079 km (0.095 R)
• M6: 3,678,761 km (0.084 R)
• M7: 4,532,666 km (0.119 R)
• M8: 4,731,631 km (0.093 R)
• M9: 5,854,513 km (0.096 R)
• M10: 10,105,486 km (0.112 R)
• M11: 12,010,914 km (0.092 R)
• M12: 13,114,797 km (0.069 R)
• M13: 13,451,990 km (0.117 R)
• M14: 13,933,695 km (0.113 R)
• M15: 15,299,225 km (0.078 R)
• M16: 15,597,672 km (0.116 R)
• M17: 16,129,343 km (0.055 R)
• M18: 17,961,468 km (0.082 R)
• M19: 19,056,226 km (0.095 R)
• M20: 19,927,932 km (0.032 R)
• M21: 22,896,403 km (0.095 R)
• M22: 28,551,801 km (0.12 R)
• M23: 29,346,913 km (0.108 R)
• M24: 31,941,988 km (0.116 R)
• M25: 38,675,687 km (0.105 R)
• M26: 40,353,726 km (0.078 R)
• M27: 42,813,115 km (0.104 R)
• M28: 43,108,870 km (0.053 R)
• M29: 44,004,214 km (0.027 R)
• M30: 47,235,976 km (0.104 R)
• M31: 48,990,311 km (0.105 R)
• M32: 50,953,035 km (0.063 R)
• M33: 53,994,659 km (0.097 R)
• M34: 54,339,931 km (0.12 R)
• M35: 64,421,630 km (0.119 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 14,767 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit