🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982

Radius: 14.3

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.34 AU - 1.76 AU

Year: 1309 Days

Day: 13.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,177,157 km

• M1: 177,872 km (0.054 R)
• M2: 628,610 km (0.097 R)
• M3: 1,118,842 km (0.077 R)
• M4: 1,928,317 km (0.05 R)
• M5: 2,466,270 km (0.114 R)
• M6: 3,193,615 km (0.088 R)
• M7: 4,168,395 km (0.11 R)
• M8: 5,018,111 km (0.09 R)
• M9: 6,408,474 km (0.062 R)
• M10: 8,835,400 km (0.08 R)
• M11: 10,714,798 km (0.118 R)
• M12: 11,205,928 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.7

Radius: 14

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.36 AU - 1.76 AU

Year: 1322 Days

Day: 9.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,177,157 km

• M1: 176,825 km (0.095 R)
• M2: 674,238 km (0.079 R)
• M3: 2,626,340 km (0.102 R)
• M4: 3,125,249 km (0.071 R)
• M5: 4,019,545 km (0.12 R)
• M6: 4,499,754 km (0.092 R)
• M7: 5,240,862 km (0.103 R)
• M8: 5,771,935 km (0.055 R)
• M9: 6,409,371 km (0.096 R)
• M10: 7,961,748 km (0.031 R)
• M11: 8,988,738 km (0.102 R)
• M12: 9,442,019 km (0.101 R)
• M13: 10,102,195 km (0.099 R)
• M14: 11,763,180 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.4

Radius: 11.6

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.27 AU - 1.99 AU

Year: 1411 Days

Day: 6 Hours

Environment

Temp: -184 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,177,157 km

• M1: 144,212 km (0.06 R)
• M2: 549,473 km (0.106 R)
• M3: 940,073 km (0.038 R)
• M4: 1,657,245 km (0.092 R)
• M5: 2,105,440 km (0.093 R)
• M6: 3,049,553 km (0.1 R)
• M7: 3,461,994 km (0.089 R)
• M8: 3,979,004 km (0.085 R)
• M9: 4,831,712 km (0.093 R)
• M10: 5,416,191 km (0.105 R)
• M11: 6,463,226 km (0.107 R)
• M12: 6,824,505 km (0.093 R)
• M13: 8,692,983 km (0.104 R)
• M14: 10,253,887 km (0.06 R)
• M15: 10,914,511 km (0.11 R)
• M16: 11,922,502 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628

Radius: 11

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2 AU - 2.28 AU

Year: 2123 Days

Day: 10.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,177,157 km

• M1: 137,032 km (0.106 R)
• M2: 558,748 km (0.066 R)
• M3: 942,616 km (0.08 R)
• M4: 1,363,285 km (0.061 R)
• M5: 1,757,625 km (0.071 R)
• M6: 2,461,184 km (0.118 R)
• M7: 3,245,227 km (0.088 R)
• M8: 5,102,335 km (0.052 R)
• M9: 5,774,328 km (0.12 R)
• M10: 6,905,737 km (0.096 R)
• M11: 7,408,984 km (0.085 R)
• M12: 9,534,770 km (0.119 R)
• M13: 11,261,279 km (0.091 R)
• M14: 12,893,691 km (0.116 R)
• M15: 13,744,753 km (0.116 R)
• M16: 14,273,282 km (0.067 R)
• M17: 15,511,803 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.8

Radius: 12.3

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.17 AU - 2.23 AU

Year: 2213 Days

Day: 5.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,177,157 km

• M1: 155,283 km (0.081 R)
• M2: 596,896 km (0.112 R)
• M3: 1,040,304 km (0.099 R)
• M4: 1,528,142 km (0.055 R)
• M5: 2,051,884 km (0.114 R)
• M6: 2,666,732 km (0.114 R)
• M7: 3,353,087 km (0.099 R)
• M8: 3,756,103 km (0.098 R)
• M9: 4,950,942 km (0.1 R)
• M10: 5,341,392 km (0.1 R)
• M11: 6,062,903 km (0.085 R)
• M12: 7,529,859 km (0.089 R)
• M13: 8,166,847 km (0.104 R)
• M14: 9,449,798 km (0.066 R)
• M15: 10,365,188 km (0.105 R)
• M16: 11,264,720 km (0.089 R)
• M17: 12,059,982 km (0.087 R)
• M18: 14,495,286 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.1

Radius: 11.9

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.11 AU - 4.91 AU

Year: 6496 Days

Day: 13.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,177,157 km

• M1: 147,952 km (0.119 R)
• M2: 689,197 km (0.111 R)
• M3: 1,100,891 km (0.118 R)
• M4: 1,805,945 km (0.078 R)
• M5: 2,203,577 km (0.092 R)
• M6: 2,622,899 km (0.072 R)
• M7: 3,201,095 km (0.085 R)
• M8: 4,240,202 km (0.078 R)
• M9: 4,838,145 km (0.096 R)
• M10: 7,271,653 km (0.119 R)
• M11: 7,771,161 km (0.092 R)
• M12: 10,049,237 km (0.034 R)
• M13: 12,360,674 km (0.046 R)
• M14: 14,884,091 km (0.09 R)
• M15: 15,315,082 km (0.079 R)
• M16: 16,009,067 km (0.083 R)
• M17: 18,287,741 km (0.076 R)
• M18: 18,711,253 km (0.097 R)
• M19: 20,095,632 km (0.093 R)
• M20: 20,546,669 km (0.098 R)
• M21: 24,743,937 km (0.027 R)
• M22: 26,861,046 km (0.09 R)
• M23: 27,408,723 km (0.119 R)
• M24: 28,057,081 km (0.093 R)
• M25: 35,440,484 km (0.059 R)
• M26: 36,990,766 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.4

Radius: 12.3

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.96 AU - 5.64 AU

Year: 7133 Days

Day: 11.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 82,177,157 km

• M1: 154,983 km (0.116 R)
• M2: 796,010 km (0.103 R)
• M3: 2,271,344 km (0.117 R)
• M4: 2,712,209 km (0.075 R)
• M5: 3,144,697 km (0.089 R)
• M6: 3,528,715 km (0.073 R)
• M7: 3,995,011 km (0.099 R)
• M8: 6,150,118 km (0.054 R)
• M9: 7,439,053 km (0.066 R)
• M10: 9,397,439 km (0.094 R)
• M11: 9,912,654 km (0.105 R)
• M12: 11,519,485 km (0.033 R)
• M13: 12,664,507 km (0.084 R)
• M14: 13,824,040 km (0.049 R)
• M15: 14,368,427 km (0.047 R)
• M16: 16,154,027 km (0.098 R)
• M17: 16,555,099 km (0.12 R)
• M18: 17,031,418 km (0.074 R)
• M19: 18,083,241 km (0.086 R)
• M20: 20,238,647 km (0.094 R)
• M21: 20,941,009 km (0.108 R)
• M22: 22,810,085 km (0.116 R)
• M23: 23,230,605 km (0.118 R)
• M24: 24,087,352 km (0.109 R)
• M25: 24,876,331 km (0.094 R)
• M26: 25,682,514 km (0.093 R)
• M27: 26,784,302 km (0.108 R)
• M28: 32,135,717 km (0.07 R)
• M29: 33,957,819 km (0.038 R)
• M30: 36,074,629 km (0.064 R)
• M31: 36,646,093 km (0.028 R)
• M32: 42,316,002 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609.8

Radius: 5.2

Gravity: 22.55 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.42 AU - 7.42 AU

Year: 13709 Days

Day: 18 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,177,157 km

• M1: 65,075 km (0.114 R)
• M2: 276,307 km (0.069 R)
• M3: 442,361 km (0.068 R)
• M4: 1,339,350 km (0.041 R)
• M5: 1,927,120 km (0.12 R)
• M6: 2,144,635 km (0.065 R)
• M7: 2,480,781 km (0.058 R)
• M8: 7,515,947 km (0.084 R)
• M9: 11,385,445 km (0.114 R)
• M10: 12,839,237 km (0.043 R)
• M11: 13,545,190 km (0.041 R)
• M12: 14,344,491 km (0.097 R)
• M13: 14,549,141 km (0.081 R)
• M14: 17,159,325 km (0.117 R)
• M15: 19,476,596 km (0.086 R)
• M16: 24,331,944 km (0.056 R)
• M17: 34,601,838 km (0.047 R)
• M18: 35,093,416 km (0.077 R)
• M19: 49,258,988 km (0.118 R)
• M20: 50,823,932 km (0.106 R)
• M21: 55,717,129 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 728

Radius: 6.3

Gravity: 18.34 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 7.14 AU - 9.4 AU

Year: 16131 Days

Day: 22.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,177,157 km

• M1: 78,688 km (0.032 R)
• M2: 674,387 km (0.093 R)
• M3: 972,985 km (0.07 R)
• M4: 1,537,717 km (0.061 R)
• M5: 2,959,644 km (0.119 R)
• M6: 5,200,770 km (0.106 R)
• M7: 8,032,957 km (0.074 R)
• M8: 16,722,200 km (0.116 R)
• M9: 17,366,368 km (0.078 R)
• M10: 19,574,433 km (0.106 R)
• M11: 24,232,013 km (0.081 R)
• M12: 25,581,236 km (0.101 R)
• M13: 32,960,001 km (0.094 R)
• M14: 35,527,699 km (0.067 R)
• M15: 40,480,137 km (0.08 R)
• M16: 48,094,369 km (0.085 R)
• M17: 56,609,779 km (0.104 R)
• M18: 58,977,614 km (0.062 R)
• M19: 64,300,157 km (0.1 R)
• M20: 66,076,781 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.8

Radius: 4.3

Gravity: 48.39 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.28 AU - 10.58 AU

Year: 19641 Days

Day: 24.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 82,177,157 km

• M1: 56,099 km (0.089 R)
• M2: 274,063 km (0.093 R)
• M3: 824,883 km (0.03 R)
• M4: 1,231,789 km (0.026 R)
• M5: 1,761,365 km (0.119 R)
• M6: 2,204,923 km (0.06 R)
• M7: 2,406,581 km (0.093 R)
• M8: 3,224,582 km (0.049 R)
• M9: 3,853,192 km (0.052 R)
• M10: 5,796,768 km (0.075 R)
• M11: 6,766,760 km (0.066 R)
• M12: 7,789,262 km (0.086 R)
• M13: 8,799,347 km (0.08 R)
• M14: 9,422,422 km (0.115 R)
• M15: 10,014,081 km (0.102 R)
• M16: 16,410,587 km (0.104 R)
• M17: 17,703,711 km (0.1 R)
• M18: 21,280,447 km (0.073 R)
• M19: 23,663,690 km (0.1 R)
• M20: 25,198,265 km (0.079 R)
• M21: 25,535,459 km (0.12 R)
• M22: 27,149,321 km (0.116 R)
• M23: 31,219,729 km (0.112 R)
• M24: 36,389,084 km (0.053 R)
• M25: 36,964,437 km (0.072 R)
• M26: 41,473,167 km (0.029 R)
• M27: 43,374,855 km (0.058 R)
• M28: 47,180,625 km (0.072 R)
• M29: 48,728,514 km (0.119 R)
• M30: 55,637,692 km (0.104 R)
• M31: 81,931,014 km (0.114 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 12,660 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit