🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.3

Radius: 10.8

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.5 AU - 0.62 AU

Year: 279 Days

Day: 7.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 31,921,000 km

• M1: 134,339 km (0.073 R)
• M2: 512,822 km (0.118 R)
• M3: 863,329 km (0.087 R)
• M4: 1,225,655 km (0.119 R)
• M5: 1,651,261 km (0.085 R)
• M6: 2,167,075 km (0.119 R)
• M7: 2,508,457 km (0.12 R)
• M8: 2,866,445 km (0.099 R)
• M9: 3,204,985 km (0.096 R)
• M10: 3,805,471 km (0.053 R)
• M11: 4,241,997 km (0.057 R)
• M12: 4,795,958 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.2

Radius: 14.1

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.82 AU - 0.9 AU

Year: 532 Days

Day: 14.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,921,000 km

• M1: 179,069 km (0.066 R)
• M2: 837,449 km (0.052 R)
• M3: 1,458,878 km (0.096 R)
• M4: 2,151,666 km (0.102 R)
• M5: 2,843,257 km (0.096 R)
• M6: 3,730,073 km (0.079 R)
• M7: 4,232,124 km (0.117 R)
• M8: 5,706,261 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877

Radius: 10.2

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1 AU - 1.16 AU

Year: 748 Days

Day: 7.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 31,921,000 km

• M1: 126,859 km (0.091 R)
• M2: 559,346 km (0.078 R)
• M3: 1,386,623 km (0.064 R)
• M4: 1,860,100 km (0.055 R)
• M5: 2,186,074 km (0.081 R)
• M6: 2,539,274 km (0.116 R)
• M7: 3,572,397 km (0.111 R)
• M8: 4,553,909 km (0.115 R)
• M9: 5,415,443 km (0.06 R)
• M10: 6,276,379 km (0.039 R)
• M11: 6,662,940 km (0.042 R)
• M12: 7,156,762 km (0.118 R)
• M13: 8,576,895 km (0.092 R)
• M14: 8,972,880 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.2

Radius: 8.1

Gravity: 14.82 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.77 AU - 2.43 AU

Year: 2029 Days

Day: 12 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 31,921,000 km

• M1: 100,829 km (0.037 R)
• M2: 477,217 km (0.053 R)
• M3: 808,876 km (0.117 R)
• M4: 1,320,650 km (0.117 R)
• M5: 1,581,997 km (0.07 R)
• M6: 1,855,014 km (0.037 R)
• M7: 2,598,515 km (0.11 R)
• M8: 3,212,614 km (0.069 R)
• M9: 3,654,826 km (0.07 R)
• M10: 4,748,984 km (0.095 R)
• M11: 6,501,224 km (0.119 R)
• M12: 7,064,011 km (0.089 R)
• M13: 7,905,948 km (0.114 R)
• M14: 8,646,308 km (0.076 R)
• M15: 9,222,559 km (0.114 R)
• M16: 10,190,158 km (0.106 R)
• M17: 10,451,805 km (0.09 R)
• M18: 10,756,237 km (0.11 R)
• M19: 11,992,214 km (0.117 R)
• M20: 12,410,340 km (0.063 R)
• M21: 13,012,172 km (0.1 R)
• M22: 13,543,245 km (0.104 R)
• M23: 15,272,297 km (0.114 R)
• M24: 16,013,405 km (0.11 R)
• M25: 16,520,691 km (0.094 R)
• M26: 17,728,096 km (0.119 R)
• M27: 18,161,630 km (0.112 R)
• M28: 18,602,046 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.8

Radius: 13.6

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.69 AU - 2.71 AU

Year: 2176 Days

Day: 7.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 31,921,000 km

• M1: 169,195 km (0.084 R)
• M2: 632,799 km (0.108 R)
• M3: 1,167,761 km (0.1 R)
• M4: 1,612,964 km (0.084 R)
• M5: 2,161,839 km (0.047 R)
• M6: 2,879,310 km (0.113 R)
• M7: 3,369,542 km (0.119 R)
• M8: 4,943,312 km (0.117 R)
• M9: 5,392,704 km (0.114 R)
• M10: 6,043,006 km (0.067 R)
• M11: 6,963,332 km (0.083 R)
• M12: 7,765,177 km (0.091 R)
• M13: 9,215,528 km (0.075 R)
• M14: 9,656,393 km (0.082 R)
• M15: 10,802,313 km (0.11 R)
• M16: 12,157,370 km (0.115 R)
• M17: 13,666,513 km (0.093 R)
• M18: 14,285,998 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.8

Radius: 15

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.42 AU - 4 AU

Year: 3835 Days

Day: 12.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 58.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 31,921,000 km

• M1: 189,840 km (0.114 R)
• M2: 718,070 km (0.109 R)
• M3: 1,389,465 km (0.097 R)
• M4: 1,968,858 km (0.097 R)
• M5: 2,995,997 km (0.065 R)
• M6: 3,525,723 km (0.066 R)
• M7: 4,002,042 km (0.043 R)
• M8: 5,200,321 km (0.051 R)
• M9: 5,846,285 km (0.118 R)
• M10: 6,985,772 km (0.083 R)
• M11: 7,504,876 km (0.074 R)
• M12: 8,621,026 km (0.118 R)
• M13: 12,345,415 km (0.09 R)
• M14: 16,319,931 km (0.037 R)
• M15: 16,928,046 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.8

Radius: 12.3

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.81 AU - 5.47 AU

Year: 7771 Days

Day: 14 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,921,000 km

• M1: 163,959 km (0.102 R)
• M2: 571,763 km (0.107 R)
• M3: 1,327,083 km (0.096 R)
• M4: 1,796,670 km (0.116 R)
• M5: 2,251,747 km (0.074 R)
• M6: 4,056,945 km (0.097 R)
• M7: 4,771,873 km (0.093 R)
• M8: 7,184,587 km (0.119 R)
• M9: 7,860,022 km (0.091 R)
• M10: 8,384,512 km (0.098 R)
• M11: 10,674,855 km (0.099 R)
• M12: 12,888,455 km (0.109 R)
• M13: 13,302,542 km (0.116 R)
• M14: 14,048,736 km (0.046 R)
• M15: 15,977,202 km (0.104 R)
• M16: 19,125,190 km (0.079 R)
• M17: 20,006,920 km (0.109 R)
• M18: 21,488,388 km (0.058 R)
• M19: 26,620,343 km (0.09 R)
• M20: 28,760,639 km (0.051 R)
• M21: 29,379,975 km (0.117 R)
• M22: 30,008,136 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.9

Radius: 4.9

Gravity: 38.44 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.25 AU - 8.19 AU

Year: 12937 Days

Day: 21.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 31,921,000 km

• M1: 86,318 km (0.108 R)
• M2: 277,205 km (0.083 R)
• M3: 519,404 km (0.03 R)
• M4: 785,838 km (0.09 R)
• M5: 1,338,602 km (0.1 R)
• M6: 1,576,612 km (0.085 R)
• M7: 1,877,902 km (0.099 R)
• M8: 2,442,933 km (0.104 R)
• M9: 2,639,505 km (0.085 R)
• M10: 2,894,120 km (0.047 R)
• M11: 3,064,512 km (0.068 R)
• M12: 5,018,859 km (0.038 R)
• M13: 5,557,262 km (0.055 R)
• M14: 7,723,439 km (0.113 R)
• M15: 9,147,611 km (0.106 R)
• M16: 9,676,738 km (0.082 R)
• M17: 9,839,351 km (0.09 R)
• M18: 11,029,701 km (0.093 R)
• M19: 11,507,517 km (0.061 R)
• M20: 11,874,630 km (0.051 R)
• M21: 13,897,642 km (0.11 R)
• M22: 14,525,504 km (0.098 R)
• M23: 15,613,530 km (0.054 R)
• M24: 15,987,973 km (0.087 R)
• M25: 17,869,166 km (0.069 R)
• M26: 20,421,755 km (0.111 R)
• M27: 22,252,234 km (0.07 R)
• M28: 26,026,140 km (0.102 R)
• M29: 27,735,296 km (0.091 R)
• M30: 29,404,209 km (0.118 R)
• M31: 31,256,979 km (0.065 R)
• M32: 31,612,872 km (0.096 R)
• M33: 31,851,481 km (0.12 R)
• M34: 37,279,640 km (0.099 R)
• M35: 40,421,345 km (0.058 R)
• M36: 45,382,160 km (0.111 R)
• M37: 49,278,137 km (0.06 R)
• M38: 51,389,412 km (0.097 R)
• M39: 52,051,083 km (0.12 R)
• M40: 55,444,412 km (0.072 R)
• M41: 57,372,130 km (0.047 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307.2

Radius: 3.3

Gravity: 28.21 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 7 AU - 11.1 AU

Year: 18155 Days

Day: 20.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 31,921,000 km

• M1: 43,533 km (0.086 R)
• M2: 187,596 km (0.088 R)
• M3: 1,264,551 km (0.12 R)
• M4: 1,385,575 km (0.088 R)
• M5: 1,543,850 km (0.12 R)
• M6: 1,650,813 km (0.109 R)
• M7: 1,812,229 km (0.096 R)
• M8: 2,242,771 km (0.098 R)
• M9: 2,400,447 km (0.119 R)
• M10: 3,203,489 km (0.088 R)
• M11: 3,829,107 km (0.072 R)
• M12: 4,054,551 km (0.112 R)
• M13: 4,229,431 km (0.111 R)
• M14: 4,532,217 km (0.109 R)
• M15: 5,146,765 km (0.116 R)
• M16: 7,493,657 km (0.053 R)
• M17: 7,936,317 km (0.117 R)
• M18: 8,776,458 km (0.101 R)
• M19: 9,674,345 km (0.078 R)
• M20: 9,829,627 km (0.084 R)
• M21: 9,986,705 km (0.086 R)
• M22: 12,732,424 km (0.097 R)
• M23: 13,945,514 km (0.079 R)
• M24: 19,984,630 km (0.103 R)
• M25: 22,330,325 km (0.086 R)
• M26: 22,875,459 km (0.114 R)
• M27: 23,336,520 km (0.05 R)
• M28: 23,803,564 km (0.088 R)
• M29: 25,635,690 km (0.042 R)
• M30: 26,233,183 km (0.097 R)
• M31: 27,352,624 km (0.079 R)
• M32: 27,559,518 km (0.095 R)
• M33: 28,291,949 km (0.119 R)
• M34: 30,345,180 km (0.091 R)
• M35: 33,312,603 km (0.067 R)
• M36: 34,023,792 km (0.046 R)
• M37: 35,722,625 km (0.083 R)
• M38: 38,634,996 km (0.115 R)
• M39: 40,482,979 km (0.12 R)
• M40: 46,232,175 km (0.088 R)
• M41: 48,767,410 km (0.056 R)
• M42: 50,456,370 km (0.094 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 39.3

Radius: 4.8

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.83 AU - 11.17 AU

Year: 22689 Days

Day: 21.3 Hours

Environment

Temp: -246 °C

Axial Tilt: 78.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 31,921,000 km

• M1: 187,745 km (0.082 R)
• M2: 588,069 km (0.116 R)
• M3: 981,512 km (0.04 R)
• M4: 11,319,323 km (0.109 R)
• M5: 14,492,443 km (0.082 R)
• M6: 16,008,319 km (0.034 R)
• M7: 19,488,713 km (0.077 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 16,304 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit