🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.2

Radius: 8.3

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.74 AU - 0.84 AU

Year: 461 Days

Day: 7.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,105,964 km

• M1: 109,206 km (0.072 R)
• M2: 277,354 km (0.079 R)
• M3: 472,580 km (0.103 R)
• M4: 680,371 km (0.119 R)
• M5: 861,235 km (0.105 R)
• M6: 1,033,871 km (0.108 R)
• M7: 1,193,791 km (0.031 R)
• M8: 1,528,441 km (0.055 R)
• M9: 1,743,264 km (0.116 R)
• M10: 2,232,299 km (0.061 R)
• M11: 2,920,898 km (0.088 R)
• M12: 3,587,955 km (0.069 R)
• M13: 4,485,692 km (0.047 R)
• M14: 4,741,804 km (0.102 R)
• M15: 5,553,671 km (0.079 R)
• M16: 5,735,283 km (0.042 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.6

Radius: 12.4

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.74 AU - 0.94 AU

Year: 505 Days

Day: 6.9 Hours

Environment

Temp: -144 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,105,964 km

• M1: 155,432 km (0.063 R)
• M2: 421,118 km (0.105 R)
• M3: 662,270 km (0.097 R)
• M4: 963,111 km (0.115 R)
• M5: 1,511,088 km (0.046 R)
• M6: 1,967,661 km (0.062 R)
• M7: 2,432,162 km (0.094 R)
• M8: 3,030,105 km (0.087 R)
• M9: 3,321,073 km (0.115 R)
• M10: 3,706,736 km (0.108 R)
• M11: 3,991,720 km (0.094 R)
• M12: 4,554,507 km (0.072 R)
• M13: 4,902,322 km (0.085 R)
• M14: 5,648,816 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.1

Radius: 8.3

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.26 AU - 1.86 AU

Year: 1278 Days

Day: 6.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,105,964 km

• M1: 104,868 km (0.065 R)
• M2: 261,347 km (0.081 R)
• M3: 449,093 km (0.09 R)
• M4: 637,287 km (0.067 R)
• M5: 819,647 km (0.114 R)
• M6: 1,510,490 km (0.119 R)
• M7: 1,771,688 km (0.037 R)
• M8: 2,017,178 km (0.044 R)
• M9: 2,299,618 km (0.116 R)
• M10: 2,633,820 km (0.113 R)
• M11: 3,649,290 km (0.09 R)
• M12: 3,830,902 km (0.116 R)
• M13: 4,430,790 km (0.107 R)
• M14: 4,820,941 km (0.094 R)
• M15: 5,120,885 km (0.061 R)
• M16: 5,336,455 km (0.119 R)
• M17: 6,724,275 km (0.089 R)
• M18: 7,096,773 km (0.088 R)
• M19: 7,295,888 km (0.088 R)
• M20: 7,683,795 km (0.105 R)
• M21: 7,948,135 km (0.076 R)
• M22: 8,888,806 km (0.108 R)
• M23: 10,773,590 km (0.115 R)
• M24: 11,381,705 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.7

Radius: 12.8

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.21 AU - 2.51 AU

Year: 2378 Days

Day: 8.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,105,964 km

• M1: 159,322 km (0.1 R)
• M2: 436,975 km (0.09 R)
• M3: 986,000 km (0.087 R)
• M4: 1,317,359 km (0.092 R)
• M5: 1,704,518 km (0.074 R)
• M6: 2,222,426 km (0.117 R)
• M7: 3,079,023 km (0.112 R)
• M8: 3,726,932 km (0.113 R)
• M9: 4,679,272 km (0.12 R)
• M10: 5,138,687 km (0.084 R)
• M11: 5,932,603 km (0.098 R)
• M12: 9,804,196 km (0.12 R)
• M13: 10,696,996 km (0.047 R)
• M14: 11,959,003 km (0.065 R)
• M15: 16,669,092 km (0.12 R)
• M16: 16,955,871 km (0.078 R)
• M17: 17,281,546 km (0.112 R)
• M18: 18,165,071 km (0.044 R)
• M19: 19,032,739 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.9

Radius: 13.4

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.05 AU - 2.71 AU

Year: 2409 Days

Day: 12.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,105,964 km

• M1: 170,392 km (0.083 R)
• M2: 430,094 km (0.075 R)
• M3: 698,323 km (0.116 R)
• M4: 1,006,794 km (0.102 R)
• M5: 1,514,529 km (0.109 R)
• M6: 1,995,785 km (0.073 R)
• M7: 2,414,061 km (0.046 R)
• M8: 2,942,740 km (0.102 R)
• M9: 3,335,883 km (0.114 R)
• M10: 3,754,907 km (0.107 R)
• M11: 4,022,088 km (0.087 R)
• M12: 4,863,427 km (0.107 R)
• M13: 5,389,562 km (0.109 R)
• M14: 6,081,303 km (0.115 R)
• M15: 6,774,240 km (0.072 R)
• M16: 7,156,613 km (0.099 R)
• M17: 7,483,334 km (0.106 R)
• M18: 7,953,520 km (0.079 R)
• M19: 8,414,880 km (0.103 R)
• M20: 8,865,469 km (0.049 R)
• M21: 9,426,910 km (0.113 R)
• M22: 9,701,572 km (0.09 R)
• M23: 10,840,759 km (0.094 R)
• M24: 11,162,544 km (0.099 R)
• M25: 14,121,291 km (0.069 R)
• M26: 14,798,969 km (0.101 R)
• M27: 15,049,396 km (0.032 R)
• M28: 16,497,354 km (0.034 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.5

Radius: 10.7

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.16 AU - 3.42 AU

Year: 3057 Days

Day: 12.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 55,105,964 km

• M1: 150,495 km (0.111 R)
• M2: 699,370 km (0.101 R)
• M3: 1,022,501 km (0.115 R)
• M4: 1,288,786 km (0.047 R)
• M5: 2,045,601 km (0.105 R)
• M6: 2,296,627 km (0.075 R)
• M7: 2,686,479 km (0.11 R)
• M8: 3,193,615 km (0.105 R)
• M9: 3,455,412 km (0.056 R)
• M10: 4,883,174 km (0.067 R)
• M11: 5,589,276 km (0.106 R)
• M12: 6,515,885 km (0.114 R)
• M13: 6,866,243 km (0.077 R)
• M14: 7,541,827 km (0.111 R)
• M15: 7,756,051 km (0.078 R)
• M16: 8,193,924 km (0.12 R)
• M17: 8,502,096 km (0.1 R)
• M18: 8,758,507 km (0.114 R)
• M19: 9,282,847 km (0.058 R)
• M20: 10,440,735 km (0.105 R)
• M21: 11,272,798 km (0.091 R)
• M22: 12,103,216 km (0.096 R)
• M23: 12,478,108 km (0.039 R)
• M24: 12,823,829 km (0.095 R)
• M25: 14,512,938 km (0.064 R)
• M26: 15,684,888 km (0.077 R)
• M27: 16,268,320 km (0.08 R)
• M28: 19,648,035 km (0.054 R)
• M29: 19,994,952 km (0.108 R)
• M30: 20,565,219 km (0.097 R)
• M31: 23,443,333 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 61.3

Radius: 6.5

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.92 AU - 7.62 AU

Year: 10299 Days

Day: 19 Hours

Environment

Temp: -219 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,105,964 km

• M1: 1,253,331 km (0.112 R)
• M2: 1,887,776 km (0.115 R)
• M3: 2,228,709 km (0.082 R)
• M4: 2,584,303 km (0.096 R)
• M5: 3,031,002 km (0.085 R)
• M6: 3,887,151 km (0.11 R)
• M7: 4,492,274 km (0.088 R)
• M8: 4,770,975 km (0.063 R)
• M9: 6,888,234 km (0.117 R)
• M10: 7,233,506 km (0.098 R)
• M11: 7,689,929 km (0.031 R)
• M12: 8,509,127 km (0.081 R)
• M13: 9,003,997 km (0.066 R)
• M14: 9,541,651 km (0.107 R)
• M15: 11,531,453 km (0.035 R)
• M16: 14,198,035 km (0.103 R)
• M17: 14,621,995 km (0.116 R)
• M18: 16,494,063 km (0.086 R)
• M19: 17,492,030 km (0.114 R)
• M20: 18,841,702 km (0.106 R)
• M21: 19,166,479 km (0.107 R)
• M22: 19,370,979 km (0.083 R)
• M23: 19,576,527 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 460.2

Radius: 3.7

Gravity: 33.62 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 7.56 AU - 8.58 AU

Year: 15039 Days

Day: 23.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 55,105,964 km

• M1: 157,527 km (0.089 R)
• M2: 355,744 km (0.105 R)
• M3: 542,891 km (0.042 R)
• M4: 1,473,240 km (0.113 R)
• M5: 1,545,047 km (0.104 R)
• M6: 1,770,940 km (0.088 R)
• M7: 2,337,317 km (0.105 R)
• M8: 2,591,185 km (0.082 R)
• M9: 4,209,983 km (0.078 R)
• M10: 4,902,771 km (0.081 R)
• M11: 5,269,286 km (0.088 R)
• M12: 6,373,617 km (0.102 R)
• M13: 6,829,442 km (0.064 R)
• M14: 7,341,216 km (0.094 R)
• M15: 7,913,129 km (0.11 R)
• M16: 8,463,649 km (0.114 R)
• M17: 8,988,289 km (0.113 R)
• M18: 10,464,670 km (0.117 R)
• M19: 11,394,720 km (0.099 R)
• M20: 11,646,045 km (0.107 R)
• M21: 13,319,895 km (0.046 R)
• M22: 13,646,318 km (0.117 R)
• M23: 15,279,777 km (0.093 R)
• M24: 15,805,613 km (0.067 R)
• M25: 17,189,693 km (0.052 R)
• M26: 17,374,596 km (0.081 R)
• M27: 19,407,781 km (0.078 R)
• M28: 20,466,634 km (0.114 R)
• M29: 21,485,097 km (0.074 R)
• M30: 22,810,534 km (0.115 R)
• M31: 23,957,501 km (0.104 R)
• M32: 25,058,391 km (0.092 R)
• M33: 30,278,459 km (0.069 R)
• M34: 33,287,321 km (0.116 R)
• M35: 35,372,566 km (0.073 R)
• M36: 36,797,935 km (0.091 R)
• M37: 39,174,297 km (0.053 R)
• M38: 40,296,281 km (0.057 R)
• M39: 41,338,529 km (0.092 R)
• M40: 43,072,967 km (0.089 R)
• M41: 43,365,431 km (0.093 R)
• M42: 44,743,676 km (0.102 R)
• M43: 46,345,271 km (0.086 R)
• M44: 50,367,359 km (0.095 R)
• M45: 54,010,217 km (0.068 R)
• M46: 54,885,963 km (0.091 R)
• M47: 54,995,917 km (0.11 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: 348 - 15,399 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit