🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.5

Radius: 8.8

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.5 AU - 0.72 AU

Year: 318 Days

Day: 9.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,493,824 km

• M1: 109,655 km (0.087 R)
• M2: 489,634 km (0.071 R)
• M3: 863,180 km (0.052 R)
• M4: 1,365,529 km (0.111 R)
• M5: 1,704,069 km (0.112 R)
• M6: 2,059,065 km (0.052 R)
• M7: 2,629,931 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.1

Radius: 8.1

Gravity: 12.15 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.52 AU - 0.72 AU

Year: 326 Days

Day: 9.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,493,824 km

• M1: 100,679 km (0.082 R)
• M2: 397,332 km (0.097 R)
• M3: 672,143 km (0.103 R)
• M4: 948,301 km (0.065 R)
• M5: 1,222,215 km (0.088 R)
• M6: 1,671,457 km (0.104 R)
• M7: 2,252,346 km (0.101 R)
• M8: 2,623,348 km (0.082 R)
• M9: 3,003,177 km (0.067 R)
• M10: 4,089,258 km (0.05 R)
• M11: 4,407,901 km (0.032 R)
• M12: 4,728,639 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.9

Radius: 10.3

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.74 AU - 0.77 AU

Year: 433 Days

Day: 7.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 40,493,824 km

• M1: 128,205 km (0.098 R)
• M2: 513,420 km (0.059 R)
• M3: 920,177 km (0.103 R)
• M4: 1,426,117 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.4

Radius: 11.1

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.83 AU - 1.31 AU

Year: 738 Days

Day: 7.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,493,824 km

• M1: 138,079 km (0.082 R)
• M2: 534,214 km (0.041 R)
• M3: 946,655 km (0.082 R)
• M4: 1,727,706 km (0.058 R)
• M5: 2,117,558 km (0.101 R)
• M6: 2,884,995 km (0.036 R)
• M7: 3,412,776 km (0.085 R)
• M8: 3,828,658 km (0.073 R)
• M9: 4,247,233 km (0.104 R)
• M10: 4,847,270 km (0.114 R)
• M11: 5,411,105 km (0.104 R)
• M12: 5,842,994 km (0.074 R)
• M13: 7,459,548 km (0.08 R)
• M14: 7,971,771 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 218.6

Radius: 14.5

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.19 AU - 1.29 AU

Year: 921 Days

Day: 14.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,493,824 km

• M1: 184,454 km (0.104 R)
• M2: 665,262 km (0.035 R)
• M3: 1,215,034 km (0.073 R)
• M4: 1,820,905 km (0.118 R)
• M5: 2,555,880 km (0.089 R)
• M6: 3,089,944 km (0.098 R)
• M7: 3,856,184 km (0.079 R)
• M8: 6,002,315 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.2

Radius: 10.9

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.05 AU - 1.55 AU

Year: 988 Days

Day: 11 Hours

Environment

Temp: -189 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,493,824 km

• M1: 135,536 km (0.035 R)
• M2: 763,099 km (0.092 R)
• M3: 1,477,129 km (0.042 R)
• M4: 2,004,462 km (0.061 R)
• M5: 2,558,722 km (0.061 R)
• M6: 2,996,445 km (0.092 R)
• M7: 3,353,685 km (0.044 R)
• M8: 3,724,089 km (0.105 R)
• M9: 4,305,726 km (0.043 R)
• M10: 4,726,545 km (0.119 R)
• M11: 5,213,486 km (0.072 R)
• M12: 5,774,927 km (0.087 R)
• M13: 6,265,907 km (0.049 R)
• M14: 6,995,346 km (0.114 R)
• M15: 8,037,594 km (0.03 R)
• M16: 9,010,878 km (0.112 R)
• M17: 9,940,330 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.5

Radius: 11.4

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.97 AU - 2.47 AU

Year: 2206 Days

Day: 7.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 143.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,493,824 km

• M1: 154,086 km (0.069 R)
• M2: 608,415 km (0.044 R)
• M3: 1,617,751 km (0.115 R)
• M4: 2,986,871 km (0.035 R)
• M5: 3,892,537 km (0.062 R)
• M6: 4,302,734 km (0.104 R)
• M7: 5,524,949 km (0.119 R)
• M8: 5,996,182 km (0.077 R)
• M9: 7,046,658 km (0.094 R)
• M10: 7,978,204 km (0.08 R)
• M11: 10,153,955 km (0.062 R)
• M12: 11,795,343 km (0.095 R)
• M13: 12,780,146 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.6

Radius: 8.8

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.76 AU - 3.88 AU

Year: 4979 Days

Day: 14.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,493,824 km

• M1: 110,104 km (0.052 R)
• M2: 516,711 km (0.03 R)
• M3: 985,102 km (0.111 R)
• M4: 1,272,779 km (0.049 R)
• M5: 1,706,762 km (0.109 R)
• M6: 1,995,336 km (0.094 R)
• M7: 2,284,509 km (0.034 R)
• M8: 2,968,022 km (0.028 R)
• M9: 3,305,814 km (0.061 R)
• M10: 4,762,448 km (0.064 R)
• M11: 5,603,188 km (0.113 R)
• M12: 7,540,481 km (0.084 R)
• M13: 8,600,531 km (0.111 R)
• M14: 9,166,460 km (0.057 R)
• M15: 9,671,054 km (0.081 R)
• M16: 11,013,844 km (0.074 R)
• M17: 11,975,459 km (0.099 R)
• M18: 12,324,920 km (0.107 R)
• M19: 13,628,964 km (0.05 R)
• M20: 14,342,397 km (0.094 R)
• M21: 14,623,192 km (0.087 R)
• M22: 16,083,267 km (0.108 R)
• M23: 16,631,992 km (0.12 R)
• M24: 18,952,255 km (0.096 R)
• M25: 23,285,357 km (0.061 R)
• M26: 27,023,659 km (0.102 R)
• M27: 30,956,587 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944.6

Radius: 3.5

Gravity: 77.11 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.47 AU - 7.07 AU

Year: 11747 Days

Day: 16.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 40,493,824 km

• M1: 44,131 km (0.089 R)
• M2: 186,399 km (0.102 R)
• M3: 401,371 km (0.045 R)
• M4: 593,156 km (0.103 R)
• M5: 756,367 km (0.068 R)
• M6: 1,173,296 km (0.055 R)
• M7: 1,881,044 km (0.113 R)
• M8: 2,294,981 km (0.093 R)
• M9: 2,544,959 km (0.112 R)
• M10: 3,025,617 km (0.116 R)
• M11: 3,326,159 km (0.116 R)
• M12: 4,074,597 km (0.097 R)
• M13: 4,194,276 km (0.078 R)
• M14: 5,273,774 km (0.119 R)
• M15: 5,416,041 km (0.075 R)
• M16: 5,820,704 km (0.1 R)
• M17: 6,324,549 km (0.071 R)
• M18: 8,293,108 km (0.115 R)
• M19: 9,234,527 km (0.081 R)
• M20: 10,635,212 km (0.067 R)
• M21: 12,109,798 km (0.063 R)
• M22: 13,984,708 km (0.067 R)
• M23: 14,257,575 km (0.065 R)
• M24: 19,882,604 km (0.095 R)
• M25: 20,227,577 km (0.115 R)
• M26: 20,401,559 km (0.079 R)
• M27: 22,012,878 km (0.062 R)
• M28: 24,094,831 km (0.062 R)
• M29: 24,883,362 km (0.118 R)
• M30: 25,790,673 km (0.111 R)
• M31: 27,351,876 km (0.034 R)
• M32: 27,564,604 km (0.054 R)
• M33: 28,645,150 km (0.108 R)
• M34: 30,890,315 km (0.034 R)
• M35: 38,324,581 km (0.073 R)
• M36: 45,065,760 km (0.03 R)
• M37: 46,714,628 km (0.081 R)
• M38: 49,814,745 km (0.072 R)
• M39: 51,414,843 km (0.077 R)
• M40: 53,214,356 km (0.077 R)
• M41: 54,213,371 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.4

Radius: 3.3

Gravity: 15.19 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 7.54 AU - 8.96 AU

Year: 15802 Days

Day: 22.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,493,824 km

• M1: 45,179 km (0.078 R)
• M2: 203,603 km (0.067 R)
• M3: 394,639 km (0.11 R)
• M4: 760,256 km (0.12 R)
• M5: 1,442,572 km (0.042 R)
• M6: 1,790,387 km (0.104 R)
• M7: 2,728,366 km (0.114 R)
• M8: 2,849,540 km (0.087 R)
• M9: 3,629,843 km (0.104 R)
• M10: 4,056,047 km (0.091 R)
• M11: 4,542,839 km (0.117 R)
• M12: 4,829,468 km (0.054 R)
• M13: 6,410,867 km (0.107 R)
• M14: 6,589,487 km (0.088 R)
• M15: 7,414,968 km (0.101 R)
• M16: 8,349,207 km (0.084 R)
• M17: 9,404,919 km (0.097 R)
• M18: 9,728,798 km (0.112 R)
• M19: 16,903,063 km (0.039 R)
• M20: 17,243,997 km (0.072 R)
• M21: 19,910,130 km (0.091 R)
• M22: 20,908,546 km (0.06 R)
• M23: 23,507,510 km (0.085 R)
• M24: 24,796,595 km (0.057 R)
• M25: 25,681,616 km (0.076 R)
• M26: 27,891,326 km (0.079 R)
• M27: 35,164,176 km (0.116 R)
• M28: 36,280,326 km (0.068 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: 188 - 13,587 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit