🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.1

Radius: 9.2

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.82 AU - 0.82 AU

Year: 495 Days

Day: 12.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,634,085 km

• M1: 115,190 km (0.099 R)
• M2: 406,158 km (0.118 R)
• M3: 859,440 km (0.034 R)
• M4: 1,378,844 km (0.081 R)
• M5: 1,814,473 km (0.078 R)
• M6: 2,123,841 km (0.084 R)
• M7: 2,418,698 km (0.114 R)
• M8: 2,873,326 km (0.061 R)
• M9: 3,537,391 km (0.075 R)
• M10: 4,039,143 km (0.05 R)
• M11: 5,851,970 km (0.026 R)
• M12: 6,206,217 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.8

Radius: 11.2

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.15 AU - 1.31 AU

Year: 910 Days

Day: 13.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,634,085 km

• M1: 139,425 km (0.028 R)
• M2: 501,452 km (0.052 R)
• M3: 977,622 km (0.115 R)
• M4: 1,720,076 km (0.091 R)
• M5: 3,188,230 km (0.042 R)
• M6: 4,147,751 km (0.084 R)
• M7: 4,986,695 km (0.093 R)
• M8: 6,174,802 km (0.069 R)
• M9: 8,261,094 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.7

Radius: 12.4

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.54 AU - 2.64 AU

Year: 2780 Days

Day: 8.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,634,085 km

• M1: 154,235 km (0.094 R)
• M2: 792,270 km (0.091 R)
• M3: 1,845,290 km (0.045 R)
• M4: 2,333,278 km (0.091 R)
• M5: 2,846,997 km (0.072 R)
• M6: 3,521,534 km (0.075 R)
• M7: 4,124,114 km (0.105 R)
• M8: 6,805,506 km (0.069 R)
• M9: 7,335,382 km (0.055 R)
• M10: 8,044,177 km (0.099 R)
• M11: 9,059,797 km (0.11 R)
• M12: 9,771,434 km (0.079 R)
• M13: 11,153,718 km (0.102 R)
• M14: 14,620,499 km (0.113 R)
• M15: 15,128,234 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.7

Radius: 13

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.99 AU - 3.05 AU

Year: 3500 Days

Day: 13 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,634,085 km

• M1: 161,715 km (0.056 R)
• M2: 750,981 km (0.084 R)
• M3: 1,231,490 km (0.1 R)
• M4: 1,986,061 km (0.067 R)
• M5: 2,430,816 km (0.067 R)
• M6: 4,322,630 km (0.102 R)
• M7: 5,028,284 km (0.115 R)
• M8: 5,558,758 km (0.071 R)
• M9: 5,981,072 km (0.116 R)
• M10: 8,719,761 km (0.051 R)
• M11: 9,136,840 km (0.106 R)
• M12: 10,217,535 km (0.073 R)
• M13: 11,834,688 km (0.113 R)
• M14: 12,441,606 km (0.053 R)
• M15: 12,922,414 km (0.118 R)
• M16: 16,760,197 km (0.118 R)
• M17: 17,347,369 km (0.108 R)
• M18: 18,563,001 km (0.113 R)
• M19: 20,161,305 km (0.115 R)
• M20: 24,071,644 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.2

Radius: 9.4

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.16 AU - 3.2 AU

Year: 3782 Days

Day: 14.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 98.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,634,085 km

• M1: 117,584 km (0.097 R)
• M2: 1,287,290 km (0.035 R)
• M3: 1,781,860 km (0.067 R)
• M4: 2,122,644 km (0.055 R)
• M5: 2,800,023 km (0.098 R)
• M6: 3,758,048 km (0.108 R)
• M7: 5,736,031 km (0.09 R)
• M8: 9,834,714 km (0.074 R)
• M9: 12,059,533 km (0.057 R)
• M10: 12,950,089 km (0.118 R)
• M11: 14,704,723 km (0.115 R)
• M12: 16,499,000 km (0.09 R)
• M13: 17,773,573 km (0.118 R)
• M14: 18,556,868 km (0.058 R)
• M15: 19,679,151 km (0.086 R)
• M16: 20,386,899 km (0.117 R)
• M17: 23,603,552 km (0.083 R)
• M18: 23,964,532 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573

Radius: 13.2

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 4.58 AU - 5.18 AU

Year: 7189 Days

Day: 12 Hours

Environment

Temp: -217 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,634,085 km

• M1: 165,306 km (0.052 R)
• M2: 874,250 km (0.097 R)
• M3: 1,324,390 km (0.059 R)
• M4: 2,159,595 km (0.085 R)
• M5: 3,258,541 km (0.031 R)
• M6: 3,675,919 km (0.115 R)
• M7: 4,204,299 km (0.098 R)
• M8: 4,922,069 km (0.084 R)
• M9: 6,602,652 km (0.119 R)
• M10: 10,072,425 km (0.118 R)
• M11: 11,862,513 km (0.105 R)
• M12: 12,486,336 km (0.086 R)
• M13: 15,445,980 km (0.115 R)
• M14: 17,023,490 km (0.11 R)
• M15: 23,922,345 km (0.084 R)
• M16: 24,500,541 km (0.098 R)
• M17: 26,290,928 km (0.1 R)
• M18: 28,719,051 km (0.104 R)
• M19: 30,515,123 km (0.05 R)
• M20: 32,084,704 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.2

Radius: 14.9

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.28 AU - 6.14 AU

Year: 7930 Days

Day: 6.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 67,634,085 km

• M1: 185,801 km (0.105 R)
• M2: 657,333 km (0.052 R)
• M3: 1,311,076 km (0.105 R)
• M4: 1,887,776 km (0.119 R)
• M5: 4,279,097 km (0.109 R)
• M6: 8,939,520 km (0.076 R)
• M7: 10,481,126 km (0.097 R)
• M8: 12,193,722 km (0.105 R)
• M9: 18,312,874 km (0.115 R)
• M10: 19,347,941 km (0.117 R)
• M11: 21,010,123 km (0.074 R)
• M12: 23,081,007 km (0.092 R)
• M13: 25,878,188 km (0.102 R)
• M14: 31,063,399 km (0.066 R)
• M15: 34,777,017 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 729.4

Radius: 3.7

Gravity: 53.28 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.85 AU - 7.31 AU

Year: 11256 Days

Day: 20.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 67,634,085 km

• M1: 46,375 km (0.053 R)
• M2: 176,226 km (0.086 R)
• M3: 456,722 km (0.091 R)
• M4: 732,730 km (0.113 R)
• M5: 853,157 km (0.115 R)
• M6: 997,668 km (0.08 R)
• M7: 1,182,870 km (0.061 R)
• M8: 1,547,440 km (0.064 R)
• M9: 1,796,371 km (0.11 R)
• M10: 2,017,626 km (0.071 R)
• M11: 2,237,984 km (0.052 R)
• M12: 4,900,228 km (0.086 R)
• M13: 6,271,592 km (0.045 R)
• M14: 7,835,188 km (0.104 R)
• M15: 8,058,688 km (0.097 R)
• M16: 8,612,050 km (0.053 R)
• M17: 9,043,490 km (0.057 R)
• M18: 9,190,545 km (0.12 R)
• M19: 11,880,764 km (0.072 R)
• M20: 12,779,996 km (0.071 R)
• M21: 13,982,913 km (0.08 R)
• M22: 14,511,293 km (0.12 R)
• M23: 15,328,695 km (0.095 R)
• M24: 16,032,853 km (0.058 R)
• M25: 18,041,354 km (0.108 R)
• M26: 19,714,905 km (0.114 R)
• M27: 22,639,244 km (0.078 R)
• M28: 32,086,948 km (0.089 R)
• M29: 32,658,412 km (0.111 R)
• M30: 33,120,370 km (0.11 R)
• M31: 34,771,781 km (0.114 R)
• M32: 35,253,636 km (0.088 R)
• M33: 36,725,529 km (0.04 R)
• M34: 37,602,771 km (0.03 R)
• M35: 39,791,238 km (0.088 R)
• M36: 41,927,197 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.8

Radius: 5.9

Gravity: 27.74 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 7.57 AU - 9.45 AU

Year: 16555 Days

Day: 23.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,634,085 km

• M1: 73,453 km (0.08 R)
• M2: 369,806 km (0.098 R)
• M3: 605,273 km (0.088 R)
• M4: 999,613 km (0.081 R)
• M5: 1,471,744 km (0.12 R)
• M6: 1,722,919 km (0.069 R)
• M7: 2,081,954 km (0.093 R)
• M8: 2,558,872 km (0.064 R)
• M9: 2,923,741 km (0.031 R)
• M10: 3,492,362 km (0.076 R)
• M11: 4,196,669 km (0.087 R)
• M12: 6,387,530 km (0.095 R)
• M13: 9,866,428 km (0.105 R)
• M14: 10,457,340 km (0.119 R)
• M15: 11,323,960 km (0.063 R)
• M16: 11,709,624 km (0.097 R)
• M17: 13,199,170 km (0.052 R)
• M18: 15,271,998 km (0.078 R)
• M19: 21,383,520 km (0.06 R)
• M20: 23,081,007 km (0.026 R)
• M21: 23,909,928 km (0.111 R)
• M22: 25,627,312 km (0.108 R)
• M23: 28,120,510 km (0.084 R)
• M24: 31,901,447 km (0.084 R)
• M25: 32,541,426 km (0.095 R)
• M26: 33,189,933 km (0.113 R)
• M27: 35,322,900 km (0.114 R)
• M28: 46,711,187 km (0.073 R)
• M29: 47,702,273 km (0.086 R)
• M30: 48,370,676 km (0.032 R)
• M31: 54,852,902 km (0.081 R)
• M32: 57,261,128 km (0.054 R)
• M33: 62,486,283 km (0.113 R)
• M34: 74,095,227 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 380.3

Radius: 5.4

Gravity: 13.04 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 9.17 AU - 11.71 AU

Year: 22495 Days

Day: 16.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,634,085 km

• M1: 68,815 km (0.11 R)
• M2: 273,166 km (0.105 R)
• M3: 748,139 km (0.103 R)
• M4: 1,110,315 km (0.089 R)
• M5: 2,158,996 km (0.105 R)
• M6: 2,517,433 km (0.111 R)
• M7: 2,939,299 km (0.12 R)
• M8: 4,489,432 km (0.051 R)
• M9: 4,966,500 km (0.094 R)
• M10: 5,783,603 km (0.099 R)
• M11: 6,183,179 km (0.114 R)
• M12: 7,354,231 km (0.045 R)
• M13: 7,633,381 km (0.102 R)
• M14: 8,665,905 km (0.074 R)
• M15: 13,733,384 km (0.106 R)
• M16: 20,663,056 km (0.1 R)
• M17: 26,677,190 km (0.111 R)
• M18: 34,145,116 km (0.112 R)
• M19: 34,921,529 km (0.092 R)
• M20: 35,577,515 km (0.109 R)
• M21: 36,509,660 km (0.054 R)
• M22: 40,401,149 km (0.12 R)
• M23: 43,797,469 km (0.061 R)
• M24: 48,995,846 km (0.062 R)
• M25: 50,983,702 km (0.1 R)
• M26: 54,065,269 km (0.103 R)
• M27: 55,829,776 km (0.113 R)
• M28: 57,450,220 km (0.102 R)
• M29: 65,627,239 km (0.08 R)
• M30: 66,425,195 km (0.091 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: 169 - 15,824 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit