🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.3

Radius: 13.3

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.45 AU - 0.59 AU

Year: 254 Days

Day: 7.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 57,582,777 km

• M1: 165,455 km (0.109 R)
• M2: 599,588 km (0.102 R)
• M3: 1,293,423 km (0.097 R)
• M4: 1,717,533 km (0.109 R)
• M5: 2,148,973 km (0.092 R)
• M6: 2,636,962 km (0.067 R)
• M7: 3,095,479 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.4

Radius: 9.7

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.92 AU - 1.04 AU

Year: 658 Days

Day: 8.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,582,777 km

• M1: 120,576 km (0.094 R)
• M2: 526,285 km (0.106 R)
• M3: 920,476 km (0.102 R)
• M4: 1,541,905 km (0.114 R)
• M5: 2,001,470 km (0.054 R)
• M6: 2,381,149 km (0.099 R)
• M7: 2,773,993 km (0.034 R)
• M8: 3,705,539 km (0.1 R)
• M9: 4,535,658 km (0.102 R)
• M10: 4,866,568 km (0.118 R)
• M11: 5,746,503 km (0.057 R)
• M12: 6,603,100 km (0.083 R)
• M13: 7,680,205 km (0.055 R)
• M14: 8,080,080 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.4

Radius: 13

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.37 AU - 1.49 AU

Year: 1160 Days

Day: 10.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,582,777 km

• M1: 161,715 km (0.117 R)
• M2: 571,913 km (0.115 R)
• M3: 1,419,833 km (0.075 R)
• M4: 1,832,574 km (0.102 R)
• M5: 2,565,603 km (0.112 R)
• M6: 3,094,432 km (0.118 R)
• M7: 3,741,293 km (0.068 R)
• M8: 5,605,881 km (0.101 R)
• M9: 6,525,758 km (0.102 R)
• M10: 7,322,367 km (0.049 R)
• M11: 7,769,814 km (0.096 R)
• M12: 8,261,842 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.2

Radius: 11.7

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.87 AU - 2.51 AU

Year: 2198 Days

Day: 10 Hours

Environment

Temp: -208 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,582,777 km

• M1: 145,559 km (0.084 R)
• M2: 541,843 km (0.103 R)
• M3: 1,001,408 km (0.08 R)
• M4: 1,552,377 km (0.07 R)
• M5: 2,256,235 km (0.095 R)
• M6: 2,769,206 km (0.084 R)
• M7: 3,232,062 km (0.083 R)
• M8: 4,773,668 km (0.104 R)
• M9: 5,168,008 km (0.118 R)
• M10: 6,087,287 km (0.078 R)
• M11: 6,620,304 km (0.048 R)
• M12: 7,112,182 km (0.094 R)
• M13: 7,678,859 km (0.089 R)
• M14: 9,185,010 km (0.067 R)
• M15: 10,375,510 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.8

Radius: 9.1

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.59 AU - 4.31 AU

Year: 4346 Days

Day: 13 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,582,777 km

• M1: 113,395 km (0.061 R)
• M2: 605,423 km (0.077 R)
• M3: 1,007,242 km (0.104 R)
• M4: 1,397,843 km (0.102 R)
• M5: 2,203,427 km (0.078 R)
• M6: 2,634,568 km (0.078 R)
• M7: 3,290,256 km (0.114 R)
• M8: 4,531,768 km (0.096 R)
• M9: 5,581,197 km (0.114 R)
• M10: 8,153,084 km (0.106 R)
• M11: 8,476,515 km (0.1 R)
• M12: 9,736,727 km (0.097 R)
• M13: 10,224,566 km (0.116 R)
• M14: 10,601,104 km (0.052 R)
• M15: 11,741,189 km (0.047 R)
• M16: 13,155,786 km (0.116 R)
• M17: 14,211,499 km (0.109 R)
• M18: 16,263,682 km (0.084 R)
• M19: 21,418,825 km (0.092 R)
• M20: 23,739,836 km (0.073 R)
• M21: 24,179,055 km (0.069 R)
• M22: 24,549,310 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 281.7

Radius: 6.2

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.91 AU - 6.21 AU

Year: 10118 Days

Day: 19.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,582,777 km

• M1: 77,791 km (0.091 R)
• M2: 334,800 km (0.107 R)
• M3: 855,700 km (0.082 R)
• M4: 1,353,711 km (0.054 R)
• M5: 2,059,663 km (0.092 R)
• M6: 2,565,903 km (0.062 R)
• M7: 3,151,728 km (0.107 R)
• M8: 3,365,653 km (0.093 R)
• M9: 4,041,686 km (0.048 R)
• M10: 8,538,298 km (0.09 R)
• M11: 11,548,956 km (0.069 R)
• M12: 18,431,355 km (0.052 R)
• M13: 21,937,331 km (0.096 R)
• M14: 24,092,587 km (0.063 R)
• M15: 24,340,322 km (0.042 R)
• M16: 29,756,961 km (0.07 R)
• M17: 32,191,367 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.5

Radius: 5.7

Gravity: 11 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.66 AU - 7.64 AU

Year: 10344 Days

Day: 21.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,582,777 km

• M1: 73,453 km (0.073 R)
• M2: 257,757 km (0.098 R)
• M3: 582,235 km (0.12 R)
• M4: 917,484 km (0.084 R)
• M5: 1,290,730 km (0.064 R)
• M6: 1,539,063 km (0.082 R)
• M7: 1,717,234 km (0.068 R)
• M8: 2,611,530 km (0.071 R)
• M9: 2,826,502 km (0.051 R)
• M10: 3,496,401 km (0.08 R)
• M11: 3,856,334 km (0.107 R)
• M12: 4,649,951 km (0.1 R)
• M13: 6,590,684 km (0.104 R)
• M14: 7,718,951 km (0.12 R)
• M15: 7,959,205 km (0.106 R)
• M16: 8,753,121 km (0.093 R)
• M17: 9,058,450 km (0.107 R)
• M18: 9,552,572 km (0.069 R)
• M19: 10,991,853 km (0.071 R)
• M20: 11,347,298 km (0.088 R)
• M21: 15,273,195 km (0.119 R)
• M22: 15,525,267 km (0.114 R)
• M23: 17,919,282 km (0.094 R)
• M24: 20,018,589 km (0.115 R)
• M25: 21,875,397 km (0.117 R)
• M26: 24,611,842 km (0.096 R)
• M27: 25,660,972 km (0.039 R)
• M28: 28,318,727 km (0.118 R)
• M29: 28,508,567 km (0.078 R)
• M30: 38,534,766 km (0.04 R)
• M31: 39,354,712 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948.9

Radius: 7.8

Gravity: 15.6 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 6.42 AU - 7.62 AU

Year: 12615 Days

Day: 19.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 57,582,777 km

• M1: 97,089 km (0.047 R)
• M2: 1,435,242 km (0.119 R)
• M3: 1,795,623 km (0.093 R)
• M4: 2,138,053 km (0.075 R)
• M5: 3,226,527 km (0.079 R)
• M6: 4,265,484 km (0.098 R)
• M7: 5,049,227 km (0.073 R)
• M8: 7,560,527 km (0.098 R)
• M9: 8,262,590 km (0.081 R)
• M10: 8,855,147 km (0.071 R)
• M11: 9,581,744 km (0.11 R)
• M12: 9,850,571 km (0.1 R)
• M13: 10,918,849 km (0.045 R)
• M14: 11,271,751 km (0.077 R)
• M15: 12,439,512 km (0.092 R)
• M16: 13,958,678 km (0.111 R)
• M17: 14,798,521 km (0.045 R)
• M18: 15,377,016 km (0.075 R)
• M19: 23,248,855 km (0.116 R)
• M20: 23,735,198 km (0.111 R)
• M21: 27,010,195 km (0.115 R)
• M22: 28,092,236 km (0.078 R)
• M23: 28,866,854 km (0.075 R)
• M24: 29,655,534 km (0.05 R)
• M25: 34,064,632 km (0.071 R)
• M26: 35,712,004 km (0.037 R)
• M27: 36,359,613 km (0.091 R)
• M28: 37,411,884 km (0.084 R)
• M29: 37,945,500 km (0.085 R)
• M30: 39,853,471 km (0.03 R)
• M31: 43,418,089 km (0.095 R)
• M32: 61,639,708 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285.5

Radius: 4.1

Gravity: 16.98 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.52 AU - 10.82 AU

Year: 20395 Days

Day: 22.5 Hours

Environment

Temp: -243 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 57,582,777 km

• M1: 51,462 km (0.081 R)
• M2: 205,547 km (0.071 R)
• M3: 364,570 km (0.079 R)
• M4: 732,880 km (0.097 R)
• M5: 1,050,476 km (0.081 R)
• M6: 1,260,512 km (0.108 R)
• M7: 1,815,221 km (0.044 R)
• M8: 2,081,206 km (0.086 R)
• M9: 2,312,185 km (0.099 R)
• M10: 4,436,325 km (0.079 R)
• M11: 6,216,839 km (0.06 R)
• M12: 8,140,368 km (0.094 R)
• M13: 8,519,599 km (0.072 R)
• M14: 8,910,348 km (0.118 R)
• M15: 13,498,814 km (0.038 R)
• M16: 14,436,643 km (0.092 R)
• M17: 15,777,788 km (0.081 R)
• M18: 17,432,041 km (0.119 R)
• M19: 17,587,922 km (0.117 R)
• M20: 21,975,030 km (0.066 R)
• M21: 25,008,126 km (0.037 R)
• M22: 27,457,941 km (0.106 R)
• M23: 28,094,480 km (0.079 R)
• M24: 29,067,614 km (0.11 R)
• M25: 31,656,256 km (0.116 R)
• M26: 31,888,432 km (0.053 R)
• M27: 45,437,212 km (0.112 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 13,422 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit