🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.8

Radius: 10.1

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.43 AU - 0.63 AU

Year: 262 Days

Day: 9 Hours

Environment

Temp: -141 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,502,393 km

• M1: 125,662 km (0.117 R)
• M2: 459,565 km (0.105 R)
• M3: 832,363 km (0.12 R)
• M4: 1,304,344 km (0.094 R)
• M5: 1,782,907 km (0.117 R)
• M6: 2,162,587 km (0.105 R)
• M7: 2,683,187 km (0.064 R)
• M8: 3,017,239 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783

Radius: 14

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.15 AU - 1.71 AU

Year: 1160 Days

Day: 13.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 62.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,502,393 km

• M1: 174,132 km (0.115 R)
• M2: 712,983 km (0.061 R)
• M3: 1,615,956 km (0.089 R)
• M4: 2,128,179 km (0.096 R)
• M5: 2,892,924 km (0.096 R)
• M6: 3,489,819 km (0.112 R)
• M7: 4,032,560 km (0.093 R)
• M8: 4,649,951 km (0.116 R)
• M9: 5,432,497 km (0.082 R)
• M10: 6,009,047 km (0.102 R)
• M11: 6,509,003 km (0.092 R)
• M12: 6,987,417 km (0.084 R)
• M13: 8,343,073 km (0.067 R)
• M14: 8,995,918 km (0.101 R)
• M15: 10,180,733 km (0.119 R)
• M16: 11,194,857 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.8

Radius: 9.9

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.92 AU - 1.94 AU

Year: 1819 Days

Day: 9.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,502,393 km

• M1: 123,119 km (0.11 R)
• M2: 433,834 km (0.052 R)
• M3: 746,942 km (0.053 R)
• M4: 1,519,466 km (0.062 R)
• M5: 1,963,173 km (0.093 R)
• M6: 2,330,136 km (0.081 R)
• M7: 2,756,790 km (0.107 R)
• M8: 4,626,763 km (0.08 R)
• M9: 5,282,899 km (0.091 R)
• M10: 6,236,885 km (0.102 R)
• M11: 6,579,165 km (0.093 R)
• M12: 7,195,209 km (0.115 R)
• M13: 8,904,215 km (0.064 R)
• M14: 10,184,174 km (0.119 R)
• M15: 11,692,719 km (0.055 R)
• M16: 12,947,546 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107

Radius: 10.3

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.29 AU - 3.51 AU

Year: 4252 Days

Day: 12.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,502,393 km

• M1: 128,205 km (0.084 R)
• M2: 584,628 km (0.081 R)
• M3: 1,147,416 km (0.039 R)
• M4: 1,554,920 km (0.116 R)
• M5: 2,233,795 km (0.065 R)
• M6: 3,332,143 km (0.101 R)
• M7: 3,728,877 km (0.082 R)
• M8: 4,250,225 km (0.036 R)
• M9: 6,086,988 km (0.107 R)
• M10: 6,429,716 km (0.093 R)
• M11: 7,261,929 km (0.085 R)
• M12: 7,704,290 km (0.032 R)
• M13: 8,223,245 km (0.101 R)
• M14: 11,542,673 km (0.099 R)
• M15: 12,612,148 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.3

Radius: 14.3

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.54 AU - 3.86 AU

Year: 4827 Days

Day: 13.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,502,393 km

• M1: 177,872 km (0.09 R)
• M2: 685,906 km (0.051 R)
• M3: 1,667,717 km (0.081 R)
• M4: 2,823,660 km (0.077 R)
• M5: 3,524,227 km (0.093 R)
• M6: 5,083,485 km (0.077 R)
• M7: 5,674,846 km (0.049 R)
• M8: 8,946,850 km (0.086 R)
• M9: 9,643,079 km (0.032 R)
• M10: 11,854,135 km (0.106 R)
• M11: 16,281,035 km (0.11 R)
• M12: 25,223,099 km (0.061 R)
• M13: 27,117,307 km (0.086 R)
• M14: 27,883,697 km (0.028 R)
• M15: 29,908,055 km (0.119 R)
• M16: 30,360,738 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.4

Radius: 11

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.29 AU - 5.43 AU

Year: 7267 Days

Day: 5.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,502,393 km

• M1: 136,882 km (0.108 R)
• M2: 590,912 km (0.116 R)
• M3: 1,307,485 km (0.091 R)
• M4: 1,771,987 km (0.088 R)
• M5: 3,443,444 km (0.093 R)
• M6: 3,922,157 km (0.038 R)
• M7: 5,983,316 km (0.039 R)
• M8: 7,455,060 km (0.074 R)
• M9: 7,819,331 km (0.103 R)
• M10: 8,749,381 km (0.102 R)
• M11: 9,293,169 km (0.113 R)
• M12: 10,261,816 km (0.1 R)
• M13: 12,190,132 km (0.059 R)
• M14: 12,955,624 km (0.091 R)
• M15: 13,707,653 km (0.064 R)
• M16: 14,071,625 km (0.099 R)
• M17: 16,240,345 km (0.092 R)
• M18: 16,854,295 km (0.09 R)
• M19: 18,020,260 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443

Radius: 6.8

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.71 AU - 7.91 AU

Year: 12053 Days

Day: 24.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,502,393 km

• M1: 85,121 km (0.079 R)
• M2: 298,897 km (0.086 R)
• M3: 563,386 km (0.108 R)
• M4: 1,048,531 km (0.094 R)
• M5: 1,605,784 km (0.073 R)
• M6: 2,252,794 km (0.115 R)
• M7: 2,655,961 km (0.07 R)
• M8: 3,581,373 km (0.108 R)
• M9: 4,919,077 km (0.096 R)
• M10: 7,300,974 km (0.114 R)
• M11: 9,040,199 km (0.119 R)
• M12: 9,563,193 km (0.116 R)
• M13: 9,906,371 km (0.026 R)
• M14: 11,802,524 km (0.032 R)
• M15: 12,254,609 km (0.083 R)
• M16: 12,484,989 km (0.088 R)
• M17: 14,369,324 km (0.09 R)
• M18: 17,358,290 km (0.088 R)
• M19: 20,819,087 km (0.047 R)
• M20: 21,395,787 km (0.066 R)
• M21: 22,323,443 km (0.082 R)
• M22: 22,581,051 km (0.118 R)
• M23: 24,531,059 km (0.11 R)
• M24: 25,267,230 km (0.105 R)
• M25: 25,828,820 km (0.12 R)
• M26: 26,686,914 km (0.114 R)
• M27: 32,567,756 km (0.09 R)
• M28: 37,657,674 km (0.093 R)
• M29: 39,758,327 km (0.103 R)
• M30: 41,675,573 km (0.108 R)
• M31: 44,733,802 km (0.106 R)
• M32: 46,947,552 km (0.044 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172.6

Radius: 4.8

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 9.09 AU - 10.97 AU

Year: 21545 Days

Day: 24.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,502,393 km

• M1: 61,036 km (0.034 R)
• M2: 604,226 km (0.069 R)
• M3: 987,795 km (0.111 R)
• M4: 1,490,892 km (0.085 R)
• M5: 1,807,292 km (0.033 R)
• M6: 2,113,070 km (0.069 R)
• M7: 3,215,905 km (0.11 R)
• M8: 3,510,912 km (0.098 R)
• M9: 3,743,687 km (0.085 R)
• M10: 3,959,407 km (0.092 R)
• M11: 5,098,744 km (0.111 R)
• M12: 5,534,373 km (0.066 R)
• M13: 6,289,693 km (0.077 R)
• M14: 7,152,274 km (0.108 R)
• M15: 7,654,773 km (0.077 R)
• M16: 7,914,625 km (0.051 R)
• M17: 10,738,883 km (0.068 R)
• M18: 21,510,977 km (0.075 R)
• M19: 23,813,737 km (0.084 R)
• M20: 30,064,235 km (0.107 R)
• M21: 37,821,782 km (0.088 R)
• M22: 39,467,060 km (0.08 R)
• M23: 45,671,482 km (0.059 R)
• M24: 48,266,407 km (0.086 R)
• M25: 50,351,203 km (0.114 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 17,576 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit