🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.6

Radius: 9.8

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.5 AU - 0.56 AU

Year: 257 Days

Day: 13.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,276,929 km

• M1: 132,394 km (0.119 R)
• M2: 460,911 km (0.108 R)
• M3: 945,159 km (0.11 R)
• M4: 1,250,638 km (0.086 R)
• M5: 1,917,845 km (0.095 R)
• M6: 2,248,157 km (0.055 R)
• M7: 2,706,076 km (0.092 R)
• M8: 3,064,812 km (0.035 R)
• M9: 3,455,262 km (0.115 R)
• M10: 4,164,206 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.8

Radius: 11.1

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.71 AU - 0.71 AU

Year: 399 Days

Day: 8 Hours

Environment

Temp: -156 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,276,929 km

• M1: 138,079 km (0.111 R)
• M2: 504,294 km (0.103 R)
• M3: 937,979 km (0.11 R)
• M4: 1,330,224 km (0.1 R)
• M5: 1,689,259 km (0.103 R)
• M6: 2,255,786 km (0.096 R)
• M7: 2,891,278 km (0.077 R)
• M8: 3,455,711 km (0.117 R)
• M9: 3,836,737 km (0.087 R)
• M10: 4,992,829 km (0.118 R)
• M11: 5,532,428 km (0.089 R)
• M12: 6,201,580 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.5

Radius: 8

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.65 AU - 0.83 AU

Year: 424 Days

Day: 8.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 135 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,276,929 km

• M1: 99,632 km (0.084 R)
• M2: 349,461 km (0.095 R)
• M3: 711,936 km (0.061 R)
• M4: 993,180 km (0.117 R)
• M5: 1,349,672 km (0.109 R)
• M6: 1,797,867 km (0.107 R)
• M7: 3,143,350 km (0.104 R)
• M8: 3,920,063 km (0.117 R)
• M9: 4,953,185 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.3

Radius: 12.8

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.52 AU - 1.68 AU

Year: 1350 Days

Day: 12.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,276,929 km

• M1: 160,369 km (0.045 R)
• M2: 587,620 km (0.096 R)
• M3: 1,086,978 km (0.092 R)
• M4: 1,487,452 km (0.051 R)
• M5: 2,236,937 km (0.119 R)
• M6: 2,903,096 km (0.063 R)
• M7: 4,767,684 km (0.06 R)
• M8: 5,311,024 km (0.101 R)
• M9: 5,817,712 km (0.111 R)
• M10: 6,234,042 km (0.102 R)
• M11: 6,885,242 km (0.11 R)
• M12: 7,420,054 km (0.115 R)
• M13: 7,934,671 km (0.058 R)
• M14: 8,523,039 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.4

Radius: 8.7

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.02 AU - 2.32 AU

Year: 2132 Days

Day: 6.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,276,929 km

• M1: 108,758 km (0.111 R)
• M2: 432,787 km (0.037 R)
• M3: 816,056 km (0.061 R)
• M4: 2,030,641 km (0.089 R)
• M5: 2,632,175 km (0.04 R)
• M6: 3,195,111 km (0.109 R)
• M7: 3,945,345 km (0.071 R)
• M8: 5,352,313 km (0.091 R)
• M9: 6,062,753 km (0.078 R)
• M10: 6,811,789 km (0.116 R)
• M11: 7,376,671 km (0.062 R)
• M12: 7,795,545 km (0.106 R)
• M13: 9,515,921 km (0.07 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.1

Radius: 13

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.51 AU - 3.19 AU

Year: 3208 Days

Day: 5.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,276,929 km

• M1: 162,314 km (0.11 R)
• M2: 592,258 km (0.111 R)
• M3: 1,103,434 km (0.089 R)
• M4: 1,809,237 km (0.112 R)
• M5: 2,469,113 km (0.1 R)
• M6: 3,254,502 km (0.111 R)
• M7: 3,860,523 km (0.075 R)
• M8: 8,121,968 km (0.062 R)
• M9: 9,084,630 km (0.104 R)
• M10: 9,756,773 km (0.101 R)
• M11: 11,418,057 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.9

Radius: 8.4

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.65 AU - 4.21 AU

Year: 5195 Days

Day: 6.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,276,929 km

• M1: 110,702 km (0.106 R)
• M2: 382,971 km (0.05 R)
• M3: 1,309,729 km (0.074 R)
• M4: 1,693,897 km (0.117 R)
• M5: 2,051,286 km (0.083 R)
• M6: 2,507,111 km (0.042 R)
• M7: 3,415,918 km (0.068 R)
• M8: 5,496,525 km (0.065 R)
• M9: 7,180,548 km (0.115 R)
• M10: 7,728,974 km (0.075 R)
• M11: 9,870,767 km (0.079 R)
• M12: 10,376,557 km (0.092 R)
• M13: 11,623,904 km (0.05 R)
• M14: 11,950,775 km (0.084 R)
• M15: 13,472,784 km (0.086 R)
• M16: 15,397,660 km (0.117 R)
• M17: 16,897,079 km (0.065 R)
• M18: 17,196,275 km (0.094 R)
• M19: 20,183,745 km (0.074 R)
• M20: 20,724,541 km (0.111 R)
• M21: 23,723,829 km (0.056 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.6

Radius: 10.8

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 3.82 AU - 5.9 AU

Year: 7145 Days

Day: 5.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 37,276,929 km

• M1: 134,488 km (0.088 R)
• M2: 619,335 km (0.063 R)
• M3: 1,178,682 km (0.042 R)
• M4: 2,409,124 km (0.097 R)
• M5: 4,542,689 km (0.101 R)
• M6: 6,376,310 km (0.099 R)
• M7: 8,446,595 km (0.03 R)
• M8: 9,182,168 km (0.047 R)
• M9: 9,726,704 km (0.114 R)
• M10: 12,284,977 km (0.059 R)
• M11: 13,573,763 km (0.081 R)
• M12: 17,563,688 km (0.072 R)
• M13: 17,980,318 km (0.078 R)
• M14: 18,332,471 km (0.077 R)
• M15: 19,343,304 km (0.044 R)
• M16: 19,713,110 km (0.088 R)
• M17: 22,273,926 km (0.09 R)
• M18: 24,356,029 km (0.076 R)
• M19: 26,930,160 km (0.05 R)
• M20: 27,577,769 km (0.081 R)
• M21: 28,425,391 km (0.079 R)
• M22: 31,990,906 km (0.058 R)
• M23: 36,178,450 km (0.076 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.8

Radius: 14.9

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.64 AU - 5.74 AU

Year: 9051 Days

Day: 14.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,276,929 km

• M1: 185,352 km (0.028 R)
• M2: 797,057 km (0.089 R)
• M3: 1,448,706 km (0.088 R)
• M4: 2,028,846 km (0.114 R)
• M5: 2,784,316 km (0.063 R)
• M6: 4,224,345 km (0.078 R)
• M7: 5,531,232 km (0.079 R)
• M8: 8,084,867 km (0.048 R)
• M9: 9,356,300 km (0.108 R)
• M10: 10,497,283 km (0.063 R)
• M11: 12,009,268 km (0.11 R)
• M12: 14,737,634 km (0.07 R)
• M13: 18,378,098 km (0.029 R)
• M14: 23,015,333 km (0.072 R)
• M15: 24,536,893 km (0.062 R)
• M16: 25,650,649 km (0.103 R)
• M17: 26,507,845 km (0.119 R)
• M18: 27,089,930 km (0.117 R)
• M19: 29,607,513 km (0.07 R)
• M20: 30,550,877 km (0.094 R)
• M21: 33,164,801 km (0.117 R)
• M22: 34,068,222 km (0.068 R)
• M23: 37,118,373 km (0.117 R)
• M24: 39,459,430 km (0.086 R)
• M25: 41,246,227 km (0.12 R)
• M26: 45,393,978 km (0.066 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.2

Radius: 6.5

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 7.6 AU - 7.72 AU

Year: 14138 Days

Day: 15.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 37,276,929 km

• M1: 81,232 km (0.082 R)
• M2: 308,770 km (0.06 R)
• M3: 1,157,140 km (0.091 R)
• M4: 2,338,514 km (0.109 R)
• M5: 3,227,724 km (0.108 R)
• M6: 3,796,644 km (0.111 R)
• M7: 5,341,093 km (0.102 R)
• M8: 5,873,063 km (0.076 R)
• M9: 6,933,113 km (0.07 R)
• M10: 8,155,478 km (0.1 R)
• M11: 8,732,925 km (0.102 R)
• M12: 9,470,443 km (0.116 R)
• M13: 9,877,349 km (0.117 R)
• M14: 10,201,827 km (0.069 R)
• M15: 12,194,171 km (0.086 R)
• M16: 12,621,572 km (0.09 R)
• M17: 13,281,598 km (0.054 R)
• M18: 13,964,213 km (0.094 R)
• M19: 15,773,001 km (0.062 R)
• M20: 17,328,071 km (0.091 R)
• M21: 18,211,895 km (0.073 R)
• M22: 20,290,857 km (0.071 R)
• M23: 22,206,009 km (0.09 R)
• M24: 22,602,892 km (0.119 R)
• M25: 22,923,929 km (0.111 R)
• M26: 24,828,759 km (0.093 R)
• M27: 30,582,592 km (0.108 R)
• M28: 34,662,575 km (0.086 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 18,559 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit