🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.1

Radius: 11

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.52 AU - 0.62 AU

Year: 297 Days

Day: 12.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,597,216 km

• M1: 141,520 km (0.092 R)
• M2: 576,849 km (0.091 R)
• M3: 1,021,903 km (0.114 R)
• M4: 1,393,953 km (0.082 R)
• M5: 2,075,371 km (0.078 R)
• M6: 2,431,265 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.6

Radius: 9.9

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.84 AU - 0.88 AU

Year: 551 Days

Day: 11.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 71,597,216 km

• M1: 123,269 km (0.088 R)
• M2: 549,623 km (0.118 R)
• M3: 915,090 km (0.077 R)
• M4: 1,230,742 km (0.073 R)
• M5: 2,722,980 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.1

Radius: 8.7

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.98 AU - 1.14 AU

Year: 753 Days

Day: 8.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,597,216 km

• M1: 108,159 km (0.066 R)
• M2: 579,991 km (0.072 R)
• M3: 921,224 km (0.07 R)
• M4: 1,264,102 km (0.035 R)
• M5: 1,578,557 km (0.115 R)
• M6: 2,184,129 km (0.096 R)
• M7: 2,585,650 km (0.062 R)
• M8: 3,086,204 km (0.115 R)
• M9: 4,473,575 km (0.054 R)
• M10: 5,177,882 km (0.105 R)
• M11: 7,003,275 km (0.111 R)
• M12: 8,024,430 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.3

Radius: 14.5

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.75 AU - 1.95 AU

Year: 1737 Days

Day: 6.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,597,216 km

• M1: 180,265 km (0.071 R)
• M2: 743,053 km (0.12 R)
• M3: 1,399,787 km (0.105 R)
• M4: 2,318,019 km (0.12 R)
• M5: 3,050,301 km (0.077 R)
• M6: 3,823,123 km (0.049 R)
• M7: 4,872,552 km (0.075 R)
• M8: 5,547,239 km (0.111 R)
• M9: 6,438,692 km (0.116 R)
• M10: 7,056,831 km (0.047 R)
• M11: 8,381,669 km (0.065 R)
• M12: 8,955,826 km (0.12 R)
• M13: 11,175,709 km (0.119 R)
• M14: 11,872,386 km (0.101 R)
• M15: 12,556,796 km (0.103 R)
• M16: 13,654,546 km (0.089 R)
• M17: 14,226,907 km (0.089 R)
• M18: 14,815,126 km (0.1 R)
• M19: 15,514,197 km (0.095 R)
• M20: 16,089,101 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.4

Radius: 13.9

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.57 AU - 2.45 AU

Year: 1967 Days

Day: 12.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,597,216 km

• M1: 173,234 km (0.07 R)
• M2: 1,328,728 km (0.098 R)
• M3: 1,802,505 km (0.03 R)
• M4: 3,194,663 km (0.091 R)
• M5: 3,769,866 km (0.098 R)
• M6: 4,376,187 km (0.102 R)
• M7: 7,754,256 km (0.068 R)
• M8: 8,830,164 km (0.11 R)
• M9: 9,611,962 km (0.092 R)
• M10: 11,458,449 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.3

Radius: 12.9

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.78 AU - 2.38 AU

Year: 2071 Days

Day: 7 Hours

Environment

Temp: -202 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,597,216 km

• M1: 162,164 km (0.069 R)
• M2: 632,201 km (0.089 R)
• M3: 1,127,818 km (0.111 R)
• M4: 1,560,755 km (0.075 R)
• M5: 2,627,986 km (0.06 R)
• M6: 3,606,505 km (0.113 R)
• M7: 4,024,482 km (0.052 R)
• M8: 4,553,161 km (0.086 R)
• M9: 5,257,617 km (0.068 R)
• M10: 6,057,367 km (0.043 R)
• M11: 7,284,519 km (0.1 R)
• M12: 7,756,799 km (0.064 R)
• M13: 8,670,992 km (0.095 R)
• M14: 9,955,290 km (0.106 R)
• M15: 10,572,979 km (0.117 R)
• M16: 11,143,396 km (0.081 R)
• M17: 11,847,403 km (0.12 R)
• M18: 12,346,013 km (0.118 R)
• M19: 12,818,742 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.1

Radius: 14.4

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.29 AU - 5.55 AU

Year: 7533 Days

Day: 14.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 53.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,597,216 km

• M1: 180,565 km (0.103 R)
• M2: 666,309 km (0.107 R)
• M3: 1,414,448 km (0.102 R)
• M4: 1,888,224 km (0.064 R)
• M5: 2,804,810 km (0.06 R)
• M6: 3,592,144 km (0.115 R)
• M7: 4,230,478 km (0.039 R)
• M8: 4,972,932 km (0.08 R)
• M9: 5,865,882 km (0.115 R)
• M10: 6,719,338 km (0.115 R)
• M11: 8,255,558 km (0.111 R)
• M12: 10,156,648 km (0.115 R)
• M13: 12,552,309 km (0.076 R)
• M14: 13,333,658 km (0.082 R)
• M15: 14,626,633 km (0.116 R)
• M16: 16,456,813 km (0.107 R)
• M17: 21,892,452 km (0.044 R)
• M18: 27,762,373 km (0.071 R)
• M19: 28,325,908 km (0.043 R)
• M20: 29,768,181 km (0.059 R)
• M21: 31,360,202 km (0.082 R)
• M22: 32,590,794 km (0.1 R)
• M23: 33,218,207 km (0.112 R)
• M24: 34,930,355 km (0.083 R)
• M25: 37,494,014 km (0.073 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.5

Radius: 13.7

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.15 AU - 6.57 AU

Year: 8566 Days

Day: 12.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,597,216 km

• M1: 170,392 km (0.074 R)
• M2: 648,656 km (0.118 R)
• M3: 2,081,056 km (0.108 R)
• M4: 3,085,905 km (0.108 R)
• M5: 3,895,977 km (0.086 R)
• M6: 5,050,723 km (0.106 R)
• M7: 6,529,049 km (0.064 R)
• M8: 7,005,818 km (0.051 R)
• M9: 8,029,516 km (0.05 R)
• M10: 10,472,150 km (0.067 R)
• M11: 11,334,432 km (0.039 R)
• M12: 11,971,270 km (0.118 R)
• M13: 13,905,870 km (0.106 R)
• M14: 15,264,219 km (0.072 R)
• M15: 17,049,819 km (0.081 R)
• M16: 18,100,146 km (0.084 R)
• M17: 18,897,353 km (0.092 R)
• M18: 21,671,346 km (0.064 R)
• M19: 23,071,432 km (0.082 R)
• M20: 24,530,909 km (0.097 R)
• M21: 27,728,414 km (0.119 R)
• M22: 31,400,443 km (0.072 R)
• M23: 32,025,015 km (0.097 R)
• M24: 34,938,882 km (0.063 R)
• M25: 40,180,941 km (0.042 R)
• M26: 41,413,179 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 256.1

Radius: 7

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 6.55 AU - 10.37 AU

Year: 16985 Days

Day: 23.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,597,216 km

• M1: 88,263 km (0.064 R)
• M2: 616,642 km (0.116 R)
• M3: 872,305 km (0.1 R)
• M4: 1,850,526 km (0.085 R)
• M5: 2,532,542 km (0.117 R)
• M6: 3,619,670 km (0.103 R)
• M7: 3,961,352 km (0.035 R)
• M8: 4,894,543 km (0.053 R)
• M9: 5,824,743 km (0.087 R)
• M10: 6,074,721 km (0.094 R)
• M11: 7,517,143 km (0.114 R)
• M12: 8,030,414 km (0.066 R)
• M13: 11,556,884 km (0.114 R)
• M14: 20,295,494 km (0.115 R)
• M15: 21,712,635 km (0.079 R)
• M16: 22,664,077 km (0.118 R)
• M17: 23,194,551 km (0.062 R)
• M18: 24,005,821 km (0.102 R)
• M19: 29,588,364 km (0.117 R)
• M20: 33,185,894 km (0.116 R)
• M21: 34,679,778 km (0.113 R)
• M22: 36,458,497 km (0.104 R)
• M23: 39,175,942 km (0.085 R)
• M24: 40,843,659 km (0.06 R)
• M25: 42,424,610 km (0.085 R)
• M26: 45,010,409 km (0.065 R)
• M27: 46,554,558 km (0.07 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.2

Radius: 4.7

Gravity: 19.79 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 8.87 AU - 11.75 AU

Year: 22851 Days

Day: 15.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,597,216 km

• M1: 58,493 km (0.065 R)
• M2: 226,790 km (0.088 R)
• M3: 656,884 km (0.113 R)
• M4: 1,035,068 km (0.037 R)
• M5: 3,021,727 km (0.098 R)
• M6: 3,232,062 km (0.11 R)
• M7: 5,746,353 km (0.08 R)
• M8: 10,351,275 km (0.107 R)
• M9: 11,895,873 km (0.079 R)
• M10: 12,756,958 km (0.104 R)
• M11: 13,587,825 km (0.094 R)
• M12: 14,380,694 km (0.119 R)
• M13: 16,617,930 km (0.079 R)
• M14: 18,899,896 km (0.065 R)
• M15: 37,936,374 km (0.084 R)
• M16: 52,384,238 km (0.117 R)
• M17: 61,587,947 km (0.099 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 13,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit