🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.3

Radius: 10.3

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.03 AU - 1.35 AU

Year: 912 Days

Day: 8.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,938,440 km

• M1: 128,056 km (0.082 R)
• M2: 573,109 km (0.108 R)
• M3: 1,091,167 km (0.099 R)
• M4: 1,669,063 km (0.094 R)
• M5: 2,014,186 km (0.095 R)
• M6: 2,851,635 km (0.118 R)
• M7: 4,017,900 km (0.1 R)
• M8: 4,505,140 km (0.096 R)
• M9: 5,106,972 km (0.064 R)
• M10: 5,537,365 km (0.069 R)
• M11: 6,272,190 km (0.032 R)
• M12: 7,166,037 km (0.09 R)
• M13: 7,909,838 km (0.071 R)
• M14: 8,622,372 km (0.044 R)
• M15: 9,036,459 km (0.094 R)
• M16: 9,785,646 km (0.085 R)
• M17: 10,114,910 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.1

Radius: 10.9

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.32 AU - 1.5 AU

Year: 1177 Days

Day: 9.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 123.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,938,440 km

• M1: 169,794 km (0.058 R)
• M2: 579,393 km (0.086 R)
• M3: 1,227,451 km (0.042 R)
• M4: 1,621,940 km (0.106 R)
• M5: 2,064,600 km (0.115 R)
• M6: 6,449,912 km (0.1 R)
• M7: 7,017,337 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.5

Radius: 10.8

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.37 AU - 1.79 AU

Year: 1396 Days

Day: 14 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,938,440 km

• M1: 134,339 km (0.053 R)
• M2: 499,358 km (0.116 R)
• M3: 1,055,114 km (0.081 R)
• M4: 1,730,997 km (0.11 R)
• M5: 2,240,228 km (0.081 R)
• M6: 2,860,910 km (0.093 R)
• M7: 3,376,274 km (0.1 R)
• M8: 4,318,741 km (0.074 R)
• M9: 6,501,972 km (0.064 R)
• M10: 11,665,792 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252

Radius: 10.7

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.53 AU - 1.81 AU

Year: 1517 Days

Day: 6.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,938,440 km

• M1: 133,292 km (0.049 R)
• M2: 498,610 km (0.12 R)
• M3: 937,231 km (0.092 R)
• M4: 1,294,770 km (0.102 R)
• M5: 1,798,316 km (0.096 R)
• M6: 2,214,497 km (0.096 R)
• M7: 2,682,888 km (0.05 R)
• M8: 3,018,287 km (0.12 R)
• M9: 3,881,616 km (0.04 R)
• M10: 4,515,163 km (0.115 R)
• M11: 4,956,626 km (0.095 R)
• M12: 5,485,156 km (0.103 R)
• M13: 6,155,952 km (0.091 R)
• M14: 7,157,809 km (0.032 R)
• M15: 7,563,369 km (0.09 R)
• M16: 8,711,832 km (0.078 R)
• M17: 9,064,434 km (0.073 R)
• M18: 9,483,009 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432

Radius: 13.2

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.78 AU - 3.48 AU

Year: 3892 Days

Day: 6.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,938,440 km

• M1: 164,109 km (0.028 R)
• M2: 683,662 km (0.119 R)
• M3: 1,096,702 km (0.104 R)
• M4: 1,685,220 km (0.09 R)
• M5: 2,422,289 km (0.119 R)
• M6: 2,965,179 km (0.114 R)
• M7: 4,149,695 km (0.109 R)
• M8: 4,932,840 km (0.073 R)
• M9: 6,082,201 km (0.091 R)
• M10: 7,560,527 km (0.117 R)
• M11: 8,147,549 km (0.113 R)
• M12: 8,625,065 km (0.119 R)
• M13: 9,339,694 km (0.115 R)
• M14: 10,054,922 km (0.04 R)
• M15: 11,851,592 km (0.107 R)
• M16: 13,101,183 km (0.053 R)
• M17: 13,949,852 km (0.073 R)
• M18: 14,884,988 km (0.091 R)
• M19: 15,496,843 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.2

Radius: 8.1

Gravity: 11.3 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.3 AU - 3.46 AU

Year: 4368 Days

Day: 14.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,938,440 km

• M1: 108,907 km (0.112 R)
• M2: 917,484 km (0.034 R)
• M3: 1,976,038 km (0.064 R)
• M4: 3,125,997 km (0.104 R)
• M5: 5,383,728 km (0.078 R)
• M6: 8,327,515 km (0.107 R)
• M7: 8,590,807 km (0.11 R)
• M8: 9,253,675 km (0.057 R)
• M9: 12,937,972 km (0.074 R)
• M10: 13,651,853 km (0.101 R)
• M11: 13,913,200 km (0.074 R)
• M12: 15,665,141 km (0.04 R)
• M13: 19,934,066 km (0.087 R)
• M14: 21,725,650 km (0.032 R)
• M15: 22,225,756 km (0.082 R)
• M16: 24,074,785 km (0.051 R)
• M17: 24,610,346 km (0.118 R)
• M18: 25,310,464 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.9

Radius: 13

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.12 AU - 4.42 AU

Year: 6202 Days

Day: 10.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,938,440 km

• M1: 161,715 km (0.103 R)
• M2: 765,193 km (0.059 R)
• M3: 1,178,831 km (0.117 R)
• M4: 1,939,088 km (0.112 R)
• M5: 2,584,453 km (0.056 R)
• M6: 3,411,579 km (0.109 R)
• M7: 4,064,425 km (0.079 R)
• M8: 4,614,047 km (0.11 R)
• M9: 5,184,613 km (0.11 R)
• M10: 6,113,018 km (0.084 R)
• M11: 6,734,896 km (0.107 R)
• M12: 7,362,758 km (0.098 R)
• M13: 7,802,875 km (0.084 R)
• M14: 11,637,667 km (0.108 R)
• M15: 12,698,615 km (0.076 R)
• M16: 13,172,691 km (0.114 R)
• M17: 15,543,219 km (0.091 R)
• M18: 17,401,972 km (0.103 R)
• M19: 20,968,086 km (0.025 R)
• M20: 21,482,703 km (0.088 R)
• M21: 22,232,488 km (0.092 R)
• M22: 22,922,134 km (0.109 R)
• M23: 24,505,926 km (0.1 R)
• M24: 26,672,403 km (0.034 R)
• M25: 30,437,183 km (0.102 R)
• M26: 31,863,598 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 469

Radius: 4.9

Gravity: 19.53 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 5.49 AU - 5.81 AU

Year: 9440 Days

Day: 23.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,938,440 km

• M1: 63,579 km (0.059 R)
• M2: 221,106 km (0.08 R)
• M3: 385,663 km (0.113 R)
• M4: 687,701 km (0.056 R)
• M5: 990,787 km (0.091 R)
• M6: 1,212,640 km (0.092 R)
• M7: 2,084,048 km (0.088 R)
• M8: 2,581,760 km (0.115 R)
• M9: 4,302,435 km (0.072 R)
• M10: 4,494,369 km (0.092 R)
• M11: 4,749,583 km (0.107 R)
• M12: 5,227,099 km (0.12 R)
• M13: 5,703,120 km (0.072 R)
• M14: 6,741,329 km (0.071 R)
• M15: 7,460,595 km (0.096 R)
• M16: 9,642,331 km (0.083 R)
• M17: 12,656,877 km (0.064 R)
• M18: 13,925,168 km (0.048 R)
• M19: 15,466,625 km (0.06 R)
• M20: 16,981,901 km (0.088 R)
• M21: 18,234,784 km (0.053 R)
• M22: 18,811,035 km (0.098 R)
• M23: 19,324,903 km (0.098 R)
• M24: 20,923,207 km (0.113 R)
• M25: 21,079,836 km (0.112 R)
• M26: 23,104,793 km (0.049 R)
• M27: 23,272,193 km (0.095 R)
• M28: 23,524,714 km (0.064 R)
• M29: 25,433,284 km (0.059 R)
• M30: 25,881,030 km (0.083 R)
• M31: 35,196,041 km (0.118 R)
• M32: 35,529,045 km (0.102 R)
• M33: 37,110,145 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 784.4

Radius: 6.4

Gravity: 19.15 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 6.1 AU - 9.34 AU

Year: 15078 Days

Day: 16.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 65,938,440 km

• M1: 102,175 km (0.114 R)
• M2: 397,482 km (0.087 R)
• M3: 934,239 km (0.107 R)
• M4: 1,333,216 km (0.104 R)
• M5: 1,911,711 km (0.113 R)
• M6: 2,138,053 km (0.117 R)
• M7: 2,952,015 km (0.099 R)
• M8: 3,721,995 km (0.119 R)
• M9: 4,169,442 km (0.08 R)
• M10: 5,064,187 km (0.074 R)
• M11: 7,546,614 km (0.11 R)
• M12: 8,815,803 km (0.087 R)
• M13: 10,392,414 km (0.116 R)
• M14: 11,832,294 km (0.054 R)
• M15: 15,324,357 km (0.094 R)
• M16: 18,586,638 km (0.109 R)
• M17: 18,927,871 km (0.091 R)
• M18: 19,360,059 km (0.086 R)
• M19: 20,424,448 km (0.051 R)
• M20: 21,527,283 km (0.101 R)
• M21: 21,808,976 km (0.082 R)
• M22: 23,750,906 km (0.071 R)
• M23: 24,152,726 km (0.086 R)
• M24: 28,198,600 km (0.105 R)
• M25: 34,820,999 km (0.071 R)
• M26: 40,668,032 km (0.074 R)
• M27: 41,677,967 km (0.047 R)
• M28: 43,447,859 km (0.052 R)
• M29: 45,729,975 km (0.025 R)
• M30: 49,545,468 km (0.078 R)
• M31: 53,224,678 km (0.069 R)
• M32: 53,567,856 km (0.118 R)
• M33: 54,780,945 km (0.106 R)
• M34: 55,482,260 km (0.099 R)
• M35: 58,712,228 km (0.048 R)
• M36: 59,262,448 km (0.09 R)
• M37: 64,176,140 km (0.109 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 19,361 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit