🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.6

Radius: 12

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.89 AU - 0.97 AU

Year: 598 Days

Day: 6.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 72.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,242,534 km

• M1: 149,299 km (0.093 R)
• M2: 598,092 km (0.109 R)
• M3: 1,211,593 km (0.061 R)
• M4: 2,146,131 km (0.064 R)
• M5: 2,589,390 km (0.098 R)
• M6: 3,252,407 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.3

Radius: 13.8

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.45 AU - 2.15 AU

Year: 1610 Days

Day: 9.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,242,534 km

• M1: 171,589 km (0.115 R)
• M2: 601,832 km (0.104 R)
• M3: 1,045,240 km (0.11 R)
• M4: 1,711,250 km (0.075 R)
• M5: 2,626,789 km (0.103 R)
• M6: 3,092,338 km (0.107 R)
• M7: 4,470,433 km (0.067 R)
• M8: 5,644,178 km (0.096 R)
• M9: 6,292,386 km (0.08 R)
• M10: 8,989,934 km (0.106 R)
• M11: 10,562,208 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.6

Radius: 13.8

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.47 AU - 2.13 AU

Year: 1610 Days

Day: 12.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 35,242,534 km

• M1: 175,927 km (0.069 R)
• M2: 671,545 km (0.093 R)
• M3: 1,102,536 km (0.101 R)
• M4: 1,582,596 km (0.113 R)
• M5: 2,029,146 km (0.115 R)
• M6: 2,601,657 km (0.069 R)
• M7: 3,093,086 km (0.074 R)
• M8: 4,891,402 km (0.041 R)
• M9: 5,764,604 km (0.093 R)
• M10: 6,739,234 km (0.101 R)
• M11: 7,197,303 km (0.067 R)
• M12: 7,791,805 km (0.087 R)
• M13: 9,144,619 km (0.07 R)
• M14: 10,118,351 km (0.084 R)
• M15: 11,535,492 km (0.104 R)
• M16: 12,591,653 km (0.119 R)
• M17: 14,851,329 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.8

Radius: 11

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.64 AU - 2.44 AU

Year: 1943 Days

Day: 6.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,242,534 km

• M1: 137,032 km (0.078 R)
• M2: 537,206 km (0.083 R)
• M3: 995,723 km (0.103 R)
• M4: 1,602,044 km (0.055 R)
• M5: 2,441,886 km (0.059 R)
• M6: 3,007,067 km (0.096 R)
• M7: 4,296,451 km (0.072 R)
• M8: 5,636,100 km (0.036 R)
• M9: 6,145,630 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199

Radius: 13.2

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.31 AU - 2.57 AU

Year: 2542 Days

Day: 11.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,242,534 km

• M1: 164,109 km (0.119 R)
• M2: 576,101 km (0.082 R)
• M3: 1,030,729 km (0.096 R)
• M4: 1,679,984 km (0.092 R)
• M5: 2,348,687 km (0.095 R)
• M6: 3,912,134 km (0.068 R)
• M7: 4,440,065 km (0.099 R)
• M8: 5,904,478 km (0.058 R)
• M9: 6,434,354 km (0.092 R)
• M10: 9,058,151 km (0.06 R)
• M11: 9,608,222 km (0.065 R)
• M12: 10,607,686 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.6

Radius: 10.2

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.95 AU - 2.97 AU

Year: 2573 Days

Day: 8.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,242,534 km

• M1: 126,859 km (0.058 R)
• M2: 464,801 km (0.104 R)
• M3: 930,200 km (0.053 R)
• M4: 1,765,554 km (0.101 R)
• M5: 2,585,650 km (0.039 R)
• M6: 3,244,329 km (0.113 R)
• M7: 3,567,161 km (0.119 R)
• M8: 4,871,505 km (0.072 R)
• M9: 5,394,798 km (0.028 R)
• M10: 5,955,042 km (0.087 R)
• M11: 6,358,957 km (0.087 R)
• M12: 6,867,889 km (0.069 R)
• M13: 8,128,849 km (0.117 R)
• M14: 9,357,945 km (0.091 R)
• M15: 9,794,023 km (0.105 R)
• M16: 10,205,567 km (0.09 R)
• M17: 11,305,560 km (0.057 R)
• M18: 11,716,954 km (0.075 R)
• M19: 12,138,371 km (0.115 R)
• M20: 12,745,439 km (0.059 R)
• M21: 13,647,515 km (0.073 R)
• M22: 14,883,043 km (0.119 R)
• M23: 15,578,524 km (0.116 R)
• M24: 16,452,026 km (0.079 R)
• M25: 17,357,841 km (0.118 R)
• M26: 18,979,183 km (0.034 R)
• M27: 19,797,034 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.5

Radius: 13.7

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.53 AU - 3.25 AU

Year: 3276 Days

Day: 5.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,242,534 km

• M1: 170,392 km (0.062 R)
• M2: 1,511,088 km (0.1 R)
• M3: 2,223,623 km (0.093 R)
• M4: 2,985,375 km (0.088 R)
• M5: 4,132,940 km (0.069 R)
• M6: 5,693,097 km (0.054 R)
• M7: 6,285,205 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.9

Radius: 10.7

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.56 AU - 5.76 AU

Year: 6708 Days

Day: 13.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,242,534 km

• M1: 134,040 km (0.104 R)
• M2: 567,574 km (0.049 R)
• M3: 1,000,361 km (0.104 R)
• M4: 1,581,698 km (0.11 R)
• M5: 2,178,893 km (0.09 R)
• M6: 2,884,995 km (0.11 R)
• M7: 3,361,763 km (0.107 R)
• M8: 4,002,940 km (0.097 R)
• M9: 4,597,891 km (0.046 R)
• M10: 5,994,536 km (0.026 R)
• M11: 6,486,264 km (0.119 R)
• M12: 7,480,642 km (0.076 R)
• M13: 7,905,799 km (0.065 R)
• M14: 9,440,972 km (0.097 R)
• M15: 10,716,294 km (0.115 R)
• M16: 12,541,537 km (0.118 R)
• M17: 12,889,951 km (0.093 R)
• M18: 17,839,696 km (0.119 R)
• M19: 18,600,251 km (0.095 R)
• M20: 19,983,134 km (0.118 R)
• M21: 20,803,379 km (0.089 R)
• M22: 21,788,631 km (0.091 R)
• M23: 23,100,754 km (0.055 R)
• M24: 25,721,858 km (0.036 R)
• M25: 26,285,094 km (0.077 R)
• M26: 27,939,796 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.5

Radius: 8

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.96 AU - 8.04 AU

Year: 12350 Days

Day: 22.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,242,534 km

• M1: 101,278 km (0.077 R)
• M2: 505,192 km (0.039 R)
• M3: 1,218,923 km (0.053 R)
• M4: 1,580,502 km (0.05 R)
• M5: 3,259,438 km (0.119 R)
• M6: 4,466,095 km (0.091 R)
• M7: 5,978,380 km (0.066 R)
• M8: 9,442,169 km (0.115 R)
• M9: 11,795,493 km (0.12 R)
• M10: 12,677,522 km (0.06 R)
• M11: 13,161,920 km (0.117 R)
• M12: 14,689,464 km (0.062 R)
• M13: 15,832,990 km (0.089 R)
• M14: 16,143,405 km (0.112 R)
• M15: 21,453,980 km (0.051 R)
• M16: 21,911,002 km (0.12 R)
• M17: 22,608,726 km (0.114 R)
• M18: 25,463,502 km (0.12 R)
• M19: 27,733,500 km (0.077 R)
• M20: 28,275,942 km (0.044 R)
• M21: 29,945,754 km (0.118 R)
• M22: 32,872,935 km (0.114 R)
• M23: 33,582,478 km (0.109 R)
• M24: 34,509,686 km (0.052 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: 182 - 10,660 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit