🌌 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: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.5

Radius: 14.9

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.63 AU - 0.99 AU

Year: 494 Days

Day: 14.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,676,279 km

• M1: 185,501 km (0.084 R)
• M2: 824,284 km (0.115 R)
• M3: 1,586,485 km (0.105 R)
• M4: 2,593,429 km (0.069 R)
• M5: 3,143,350 km (0.091 R)
• M6: 3,771,213 km (0.073 R)
• M7: 4,496,014 km (0.094 R)
• M8: 5,358,745 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.2

Radius: 10.7

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.82 AU - 1.24 AU

Year: 709 Days

Day: 7.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,676,279 km

• M1: 133,142 km (0.077 R)
• M2: 788,979 km (0.101 R)
• M3: 1,134,700 km (0.052 R)
• M4: 1,495,680 km (0.047 R)
• M5: 2,124,140 km (0.071 R)
• M6: 2,828,597 km (0.094 R)
• M7: 4,351,652 km (0.063 R)
• M8: 5,951,602 km (0.099 R)
• M9: 6,665,782 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784

Radius: 9.8

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.38 AU - 1.96 AU

Year: 1464 Days

Day: 8.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,676,279 km

• M1: 121,922 km (0.118 R)
• M2: 428,149 km (0.092 R)
• M3: 844,031 km (0.109 R)
• M4: 1,483,113 km (0.107 R)
• M5: 2,007,304 km (0.069 R)
• M6: 2,331,932 km (0.053 R)
• M7: 2,746,168 km (0.053 R)
• M8: 3,270,509 km (0.105 R)
• M9: 3,791,558 km (0.056 R)
• M10: 4,108,556 km (0.106 R)
• M11: 5,210,045 km (0.08 R)
• M12: 5,647,768 km (0.057 R)
• M13: 6,110,026 km (0.059 R)
• M14: 7,189,524 km (0.073 R)
• M15: 7,760,838 km (0.111 R)
• M16: 9,528,786 km (0.09 R)
• M17: 9,951,998 km (0.103 R)
• M18: 10,627,283 km (0.097 R)
• M19: 11,550,601 km (0.059 R)
• M20: 13,114,049 km (0.048 R)
• M21: 13,475,178 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515

Radius: 9

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.63 AU - 3.89 AU

Year: 4945 Days

Day: 12.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,676,279 km

• M1: 111,899 km (0.112 R)
• M2: 433,684 km (0.085 R)
• M3: 760,256 km (0.062 R)
• M4: 1,188,256 km (0.043 R)
• M5: 1,589,627 km (0.119 R)
• M6: 1,941,930 km (0.035 R)
• M7: 2,439,941 km (0.113 R)
• M8: 2,876,468 km (0.101 R)
• M9: 3,324,962 km (0.093 R)
• M10: 4,152,986 km (0.103 R)
• M11: 5,112,358 km (0.086 R)
• M12: 6,364,342 km (0.064 R)
• M13: 7,600,619 km (0.116 R)
• M14: 9,263,549 km (0.096 R)
• M15: 10,201,079 km (0.06 R)
• M16: 10,584,648 km (0.092 R)
• M17: 10,977,941 km (0.077 R)
• M18: 12,943,507 km (0.106 R)
• M19: 13,393,348 km (0.117 R)
• M20: 15,187,774 km (0.081 R)
• M21: 16,085,361 km (0.11 R)
• M22: 16,958,564 km (0.105 R)
• M23: 17,863,033 km (0.08 R)
• M24: 20,298,037 km (0.117 R)
• M25: 22,656,897 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530

Radius: 4.3

Gravity: 28.66 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.28 AU - 7.42 AU

Year: 12160 Days

Day: 17.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 61,676,279 km

• M1: 53,706 km (0.105 R)
• M2: 262,395 km (0.102 R)
• M3: 424,858 km (0.105 R)
• M4: 845,378 km (0.06 R)
• M5: 1,648,718 km (0.103 R)
• M6: 1,836,763 km (0.092 R)
• M7: 3,024,121 km (0.105 R)
• M8: 3,234,456 km (0.087 R)
• M9: 3,404,848 km (0.107 R)
• M10: 3,924,999 km (0.109 R)
• M11: 4,556,302 km (0.086 R)
• M12: 5,023,945 km (0.07 R)
• M13: 5,454,488 km (0.077 R)
• M14: 6,313,329 km (0.103 R)
• M15: 6,973,654 km (0.116 R)
• M16: 8,754,168 km (0.101 R)
• M17: 10,130,768 km (0.087 R)
• M18: 10,496,235 km (0.07 R)
• M19: 10,816,375 km (0.066 R)
• M20: 11,873,433 km (0.062 R)
• M21: 12,221,099 km (0.098 R)
• M22: 13,304,636 km (0.099 R)
• M23: 14,126,078 km (0.04 R)
• M24: 17,826,082 km (0.078 R)
• M25: 20,264,228 km (0.115 R)
• M26: 21,180,216 km (0.113 R)
• M27: 25,310,913 km (0.114 R)
• M28: 26,470,446 km (0.079 R)
• M29: 29,313,104 km (0.082 R)
• M30: 29,841,185 km (0.079 R)
• M31: 31,463,723 km (0.038 R)
• M32: 34,180,421 km (0.106 R)
• M33: 43,670,910 km (0.104 R)
• M34: 45,900,067 km (0.091 R)
• M35: 47,331,270 km (0.07 R)
• M36: 47,911,860 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827.4

Radius: 6.7

Gravity: 18.43 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.41 AU - 8.63 AU

Year: 12615 Days

Day: 15.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 174.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 61,676,279 km

• M1: 83,326 km (0.068 R)
• M2: 296,503 km (0.112 R)
• M3: 531,521 km (0.065 R)
• M4: 779,555 km (0.12 R)
• M5: 1,519,914 km (0.098 R)
• M6: 1,822,252 km (0.06 R)
• M7: 2,484,970 km (0.108 R)
• M8: 2,723,579 km (0.111 R)
• M9: 3,807,266 km (0.115 R)
• M10: 5,506,698 km (0.061 R)
• M11: 6,542,663 km (0.117 R)
• M12: 7,345,704 km (0.111 R)
• M13: 7,748,272 km (0.1 R)
• M14: 8,548,621 km (0.11 R)
• M15: 9,877,648 km (0.108 R)
• M16: 10,989,609 km (0.089 R)
• M17: 12,121,167 km (0.113 R)
• M18: 12,810,664 km (0.09 R)
• M19: 15,250,306 km (0.074 R)
• M20: 15,612,034 km (0.071 R)
• M21: 19,634,721 km (0.067 R)
• M22: 21,837,848 km (0.078 R)
• M23: 22,112,809 km (0.086 R)
• M24: 23,331,284 km (0.072 R)
• M25: 26,209,248 km (0.032 R)
• M26: 34,732,437 km (0.102 R)
• M27: 40,228,214 km (0.068 R)
• M28: 44,784,965 km (0.108 R)
• M29: 48,575,625 km (0.102 R)
• M30: 51,433,693 km (0.086 R)
• M31: 55,586,230 km (0.07 R)
• M32: 56,615,165 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.9

Radius: 6.7

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.86 AU - 8.62 AU

Year: 13213 Days

Day: 18.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,676,279 km

• M1: 106,364 km (0.082 R)
• M2: 1,715,738 km (0.103 R)
• M3: 3,293,248 km (0.101 R)
• M4: 5,287,537 km (0.079 R)
• M5: 5,857,953 km (0.1 R)
• M6: 6,803,562 km (0.039 R)
• M7: 7,909,987 km (0.083 R)
• M8: 10,588,238 km (0.11 R)
• M9: 15,040,570 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 16.3

Radius: 4.6

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.97 AU - 9.63 AU

Year: 14775 Days

Day: 18.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,676,279 km

• M1: 58,044 km (0.038 R)
• M2: 215,271 km (0.115 R)
• M3: 1,122,882 km (0.099 R)
• M4: 1,445,115 km (0.044 R)
• M5: 1,607,130 km (0.049 R)
• M6: 2,065,947 km (0.047 R)
• M7: 2,864,500 km (0.112 R)
• M8: 3,644,653 km (0.041 R)
• M9: 4,224,345 km (0.119 R)
• M10: 8,582,579 km (0.095 R)
• M11: 10,623,842 km (0.088 R)
• M12: 11,877,921 km (0.119 R)
• M13: 15,829,998 km (0.042 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784.3

Radius: 3.3

Gravity: 72.02 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 8.35 AU - 10.81 AU

Year: 20111 Days

Day: 24.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 61,676,279 km

• M1: 41,289 km (0.093 R)
• M2: 289,621 km (0.114 R)
• M3: 412,890 km (0.102 R)
• M4: 530,474 km (0.098 R)
• M5: 1,244,355 km (0.097 R)
• M6: 1,365,081 km (0.109 R)
• M7: 2,218,686 km (0.074 R)
• M8: 2,489,757 km (0.075 R)
• M9: 2,633,222 km (0.115 R)
• M10: 2,910,726 km (0.118 R)
• M11: 3,016,342 km (0.067 R)
• M12: 3,377,471 km (0.1 R)
• M13: 4,020,742 km (0.032 R)
• M14: 4,562,735 km (0.098 R)
• M15: 4,814,508 km (0.039 R)
• M16: 5,151,702 km (0.033 R)
• M17: 5,306,536 km (0.087 R)
• M18: 5,544,695 km (0.096 R)
• M19: 6,936,554 km (0.077 R)
• M20: 12,545,577 km (0.081 R)
• M21: 13,545,489 km (0.086 R)
• M22: 14,064,743 km (0.099 R)
• M23: 15,222,182 km (0.046 R)
• M24: 16,110,195 km (0.095 R)
• M25: 17,117,736 km (0.097 R)
• M26: 20,295,046 km (0.093 R)
• M27: 22,378,495 km (0.107 R)
• M28: 23,524,714 km (0.062 R)
• M29: 26,502,759 km (0.085 R)
• M30: 27,197,042 km (0.077 R)
• M31: 33,864,620 km (0.073 R)
• M32: 36,355,424 km (0.118 R)
• M33: 38,965,757 km (0.119 R)
• M34: 41,080,174 km (0.107 R)
• M35: 45,207,579 km (0.1 R)
• M36: 73,600,656 km (0.067 R)
• M37: 75,199,708 km (0.226 R)
• M38: 75,660,769 km (0.218 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292

Radius: 5.8

Gravity: 8.68 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 9.77 AU - 10.79 AU

Year: 22355 Days

Day: 20.2 Hours

Environment

Temp: -243 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 61,676,279 km

• M1: 72,854 km (0.106 R)
• M2: 521,947 km (0.089 R)
• M3: 802,293 km (0.107 R)
• M4: 1,069,774 km (0.069 R)
• M5: 1,311,824 km (0.047 R)
• M6: 1,997,580 km (0.05 R)
• M7: 2,306,201 km (0.101 R)
• M8: 2,601,806 km (0.106 R)
• M9: 4,225,392 km (0.116 R)
• M10: 4,603,725 km (0.1 R)
• M11: 4,970,090 km (0.037 R)
• M12: 6,029,393 km (0.04 R)
• M13: 6,346,390 km (0.115 R)
• M14: 7,231,411 km (0.065 R)
• M15: 9,037,507 km (0.036 R)
• M16: 12,405,403 km (0.082 R)
• M17: 15,112,227 km (0.091 R)
• M18: 15,549,502 km (0.112 R)
• M19: 16,221,346 km (0.079 R)
• M20: 17,383,572 km (0.118 R)
• M21: 18,188,708 km (0.088 R)
• M22: 19,272,095 km (0.062 R)
• M23: 20,663,655 km (0.103 R)
• M24: 22,307,735 km (0.113 R)
• M25: 22,590,026 km (0.109 R)
• M26: 26,165,416 km (0.069 R)
• M27: 28,087,000 km (0.117 R)
• M28: 29,986,295 km (0.065 R)
• M29: 31,377,555 km (0.083 R)
• M30: 38,983,111 km (0.086 R)
• M31: 41,200,750 km (0.085 R)
• M32: 44,237,287 km (0.046 R)
• M33: 45,583,070 km (0.056 R)
• M34: 55,431,546 km (0.11 R)
• M35: 58,945,451 km (0.096 R)
• M36: 61,491,606 km (0.11 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 14,723 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit