🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.9

Radius: 11.4

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.11 AU - 1.47 AU

Year: 946 Days

Day: 7.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,737,423 km

• M1: 142,866 km (0.119 R)
• M2: 663,616 km (0.11 R)
• M3: 1,050,476 km (0.1 R)
• M4: 1,431,951 km (0.112 R)
• M5: 2,173,956 km (0.057 R)
• M6: 2,725,524 km (0.034 R)
• M7: 3,619,072 km (0.091 R)
• M8: 4,079,833 km (0.083 R)
• M9: 5,029,929 km (0.11 R)
• M10: 6,101,349 km (0.11 R)
• M11: 6,691,363 km (0.073 R)
• M12: 7,411,827 km (0.087 R)
• M13: 7,766,972 km (0.044 R)
• M14: 8,743,996 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.4

Radius: 8.8

Gravity: 12.76 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.27 AU - 1.55 AU

Year: 1081 Days

Day: 10.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,737,423 km

• M1: 109,506 km (0.059 R)
• M2: 412,741 km (0.06 R)
• M3: 716,574 km (0.062 R)
• M4: 1,161,328 km (0.113 R)
• M5: 1,533,977 km (0.117 R)
• M6: 1,954,047 km (0.106 R)
• M7: 2,248,755 km (0.107 R)
• M8: 2,560,816 km (0.117 R)
• M9: 3,141,106 km (0.067 R)
• M10: 3,773,457 km (0.091 R)
• M11: 4,059,488 km (0.091 R)
• M12: 4,599,835 km (0.085 R)
• M13: 5,714,489 km (0.069 R)
• M14: 6,535,781 km (0.108 R)
• M15: 7,100,214 km (0.086 R)
• M16: 7,617,224 km (0.117 R)
• M17: 8,048,814 km (0.107 R)
• M18: 10,390,171 km (0.052 R)
• M19: 11,296,734 km (0.087 R)
• M20: 12,146,001 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.6

Radius: 11.4

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.16 AU - 1.7 AU

Year: 1104 Days

Day: 10.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,737,423 km

• M1: 144,212 km (0.113 R)
• M2: 517,160 km (0.102 R)
• M3: 1,048,531 km (0.114 R)
• M4: 1,404,874 km (0.079 R)
• M5: 1,777,372 km (0.094 R)
• M6: 2,766,813 km (0.12 R)
• M7: 3,651,385 km (0.12 R)
• M8: 4,263,539 km (0.105 R)
• M9: 4,677,925 km (0.1 R)
• M10: 5,138,836 km (0.092 R)
• M11: 5,887,275 km (0.047 R)
• M12: 6,471,903 km (0.113 R)
• M13: 7,045,461 km (0.092 R)
• M14: 7,497,845 km (0.114 R)
• M15: 8,076,939 km (0.057 R)
• M16: 8,432,982 km (0.104 R)
• M17: 8,885,665 km (0.114 R)
• M18: 9,265,344 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.1

Radius: 13.4

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.76 AU - 2.12 AU

Year: 1745 Days

Day: 12.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,737,423 km

• M1: 166,652 km (0.107 R)
• M2: 711,188 km (0.119 R)
• M3: 1,204,562 km (0.084 R)
• M4: 1,722,769 km (0.049 R)
• M5: 2,248,157 km (0.034 R)
• M6: 2,811,991 km (0.065 R)
• M7: 3,612,789 km (0.106 R)
• M8: 4,560,790 km (0.053 R)
• M9: 5,114,302 km (0.116 R)
• M10: 5,779,415 km (0.084 R)
• M11: 7,362,010 km (0.065 R)
• M12: 8,296,997 km (0.047 R)
• M13: 9,278,808 km (0.067 R)
• M14: 10,105,635 km (0.116 R)
• M15: 12,615,289 km (0.081 R)
• M16: 13,038,352 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.3

Radius: 10.9

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.88 AU - 3.1 AU

Year: 2537 Days

Day: 14 Hours

Environment

Temp: -195 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 31,737,423 km

• M1: 182,659 km (0.113 R)
• M2: 542,143 km (0.085 R)
• M3: 931,396 km (0.109 R)
• M4: 2,050,987 km (0.092 R)
• M5: 2,668,377 km (0.112 R)
• M6: 3,046,261 km (0.057 R)
• M7: 3,813,699 km (0.072 R)
• M8: 4,551,366 km (0.098 R)
• M9: 5,094,256 km (0.069 R)
• M10: 5,629,517 km (0.027 R)
• M11: 6,502,421 km (0.115 R)
• M12: 7,930,183 km (0.081 R)
• M13: 8,549,518 km (0.114 R)
• M14: 9,200,867 km (0.099 R)
• M15: 9,738,223 km (0.03 R)
• M16: 10,220,676 km (0.096 R)
• M17: 10,641,345 km (0.106 R)
• M18: 11,073,683 km (0.051 R)
• M19: 12,398,073 km (0.076 R)
• M20: 12,788,972 km (0.12 R)
• M21: 14,198,783 km (0.109 R)
• M22: 14,674,953 km (0.112 R)
• M23: 16,425,846 km (0.082 R)
• M24: 17,003,892 km (0.075 R)
• M25: 17,923,770 km (0.097 R)
• M26: 19,569,047 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.5

Radius: 12.9

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.88 AU - 3.34 AU

Year: 3541 Days

Day: 9.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,737,423 km

• M1: 160,668 km (0.113 R)
• M2: 623,973 km (0.063 R)
• M3: 1,379,442 km (0.103 R)
• M4: 1,853,368 km (0.098 R)
• M5: 2,258,030 km (0.116 R)
• M6: 2,722,681 km (0.118 R)
• M7: 3,232,660 km (0.098 R)
• M8: 3,827,013 km (0.1 R)
• M9: 4,354,196 km (0.091 R)
• M10: 5,775,824 km (0.058 R)
• M11: 6,352,374 km (0.032 R)
• M12: 6,903,792 km (0.042 R)
• M13: 8,102,969 km (0.051 R)
• M14: 9,052,167 km (0.106 R)
• M15: 9,751,836 km (0.079 R)
• M16: 10,196,890 km (0.074 R)
• M17: 10,655,557 km (0.045 R)
• M18: 11,171,670 km (0.107 R)
• M19: 13,603,682 km (0.052 R)
• M20: 19,301,267 km (0.056 R)
• M21: 22,848,382 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.9

Radius: 12

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.79 AU - 4.21 AU

Year: 4228 Days

Day: 5.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,737,423 km

• M1: 150,196 km (0.105 R)
• M2: 616,493 km (0.099 R)
• M3: 1,906,475 km (0.078 R)
• M4: 2,468,514 km (0.103 R)
• M5: 3,051,348 km (0.095 R)
• M6: 3,470,521 km (0.082 R)
• M7: 3,969,879 km (0.118 R)
• M8: 5,189,101 km (0.117 R)
• M9: 5,871,866 km (0.099 R)
• M10: 6,793,539 km (0.114 R)
• M11: 7,289,306 km (0.119 R)
• M12: 9,367,669 km (0.072 R)
• M13: 10,624,890 km (0.054 R)
• M14: 11,294,190 km (0.084 R)
• M15: 14,057,562 km (0.114 R)
• M16: 14,659,993 km (0.059 R)
• M17: 16,132,934 km (0.101 R)
• M18: 16,682,107 km (0.104 R)
• M19: 18,703,175 km (0.085 R)
• M20: 21,733,728 km (0.067 R)
• M21: 22,134,351 km (0.106 R)
• M22: 22,607,829 km (0.066 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.4

Radius: 9.8

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.78 AU - 3.98 AU

Year: 4935 Days

Day: 14.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 31,737,423 km

• M1: 122,670 km (0.108 R)
• M2: 517,459 km (0.119 R)
• M3: 1,396,795 km (0.065 R)
• M4: 1,846,487 km (0.109 R)
• M5: 2,305,154 km (0.084 R)
• M6: 2,615,868 km (0.094 R)
• M7: 3,663,053 km (0.069 R)
• M8: 4,152,837 km (0.041 R)
• M9: 4,992,979 km (0.088 R)
• M10: 5,834,317 km (0.083 R)
• M11: 6,561,512 km (0.081 R)
• M12: 7,007,912 km (0.03 R)
• M13: 8,469,783 km (0.093 R)
• M14: 11,091,186 km (0.079 R)
• M15: 11,855,182 km (0.092 R)
• M16: 12,473,321 km (0.099 R)
• M17: 13,535,466 km (0.058 R)
• M18: 16,643,362 km (0.084 R)
• M19: 18,275,624 km (0.084 R)
• M20: 19,522,373 km (0.029 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.2

Radius: 13

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4 AU - 5.68 AU

Year: 6875 Days

Day: 9.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 31,737,423 km

• M1: 161,715 km (0.09 R)
• M2: 654,491 km (0.113 R)
• M3: 1,089,820 km (0.109 R)
• M4: 1,873,115 km (0.09 R)
• M5: 3,254,352 km (0.103 R)
• M6: 8,114,787 km (0.118 R)
• M7: 9,507,992 km (0.095 R)
• M8: 12,320,881 km (0.119 R)
• M9: 13,051,068 km (0.117 R)
• M10: 13,982,464 km (0.057 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276

Radius: 10.3

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.47 AU - 6.67 AU

Year: 8488 Days

Day: 11.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 31,737,423 km

• M1: 128,654 km (0.067 R)
• M2: 473,926 km (0.107 R)
• M3: 1,051,673 km (0.118 R)
• M4: 1,665,174 km (0.117 R)
• M5: 2,370,977 km (0.093 R)
• M6: 3,144,996 km (0.103 R)
• M7: 3,667,691 km (0.093 R)
• M8: 5,415,892 km (0.074 R)
• M9: 6,488,808 km (0.113 R)
• M10: 7,232,459 km (0.101 R)
• M11: 8,453,177 km (0.094 R)
• M12: 9,849,374 km (0.062 R)
• M13: 11,016,686 km (0.099 R)
• M14: 11,585,457 km (0.107 R)
• M15: 12,936,925 km (0.105 R)
• M16: 14,058,609 km (0.108 R)
• M17: 14,390,717 km (0.078 R)
• M18: 15,128,384 km (0.109 R)
• M19: 15,712,713 km (0.058 R)
• M20: 18,930,115 km (0.113 R)
• M21: 20,728,281 km (0.039 R)
• M22: 23,171,364 km (0.115 R)
• M23: 25,226,689 km (0.106 R)
• M24: 25,717,669 km (0.11 R)
• M25: 27,058,365 km (0.073 R)
• M26: 31,265,656 km (0.053 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 193 - 16,234 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit