🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.8

Radius: 10.1

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.55 AU - 0.55 AU

Year: 282 Days

Day: 7.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,151,397 km

• M1: 125,812 km (0.079 R)
• M2: 442,062 km (0.104 R)
• M3: 826,229 km (0.087 R)
• M4: 1,229,395 km (0.114 R)
• M5: 1,684,173 km (0.053 R)
• M6: 2,040,515 km (0.061 R)
• M7: 2,413,462 km (0.096 R)
• M8: 3,372,534 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.1

Radius: 11.2

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.73 AU - 1.77 AU

Year: 1598 Days

Day: 5.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,151,397 km

• M1: 139,425 km (0.078 R)
• M2: 658,081 km (0.067 R)
• M3: 1,483,412 km (0.075 R)
• M4: 1,850,526 km (0.062 R)
• M5: 2,646,087 km (0.082 R)
• M6: 3,964,792 km (0.032 R)
• M7: 4,533,713 km (0.09 R)
• M8: 5,698,931 km (0.087 R)
• M9: 7,771,011 km (0.059 R)
• M10: 8,135,132 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.5

Radius: 13.5

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.62 AU - 2.64 AU

Year: 2146 Days

Day: 13.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,151,397 km

• M1: 167,849 km (0.117 R)
• M2: 615,146 km (0.091 R)
• M3: 1,105,379 km (0.088 R)
• M4: 1,677,591 km (0.094 R)
• M5: 2,127,880 km (0.102 R)
• M6: 4,360,329 km (0.087 R)
• M7: 6,531,593 km (0.052 R)
• M8: 7,606,304 km (0.118 R)
• M9: 8,694,778 km (0.111 R)
• M10: 9,595,207 km (0.105 R)
• M11: 11,460,543 km (0.109 R)
• M12: 12,160,961 km (0.078 R)
• M13: 14,482,121 km (0.096 R)
• M14: 15,252,251 km (0.061 R)
• M15: 15,897,915 km (0.064 R)
• M16: 17,350,660 km (0.091 R)
• M17: 18,608,778 km (0.085 R)
• M18: 19,174,408 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.1

Radius: 11.3

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.43 AU - 3.09 AU

Year: 3165 Days

Day: 5.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,151,397 km

• M1: 140,622 km (0.095 R)
• M2: 514,916 km (0.063 R)
• M3: 879,037 km (0.11 R)
• M4: 1,267,692 km (0.058 R)
• M5: 1,683,574 km (0.104 R)
• M6: 2,202,529 km (0.113 R)
• M7: 4,389,950 km (0.099 R)
• M8: 5,906,423 km (0.111 R)
• M9: 7,690,228 km (0.043 R)
• M10: 9,063,387 km (0.111 R)
• M11: 11,420,601 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.4

Radius: 11

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.26 AU - 4.2 AU

Year: 4972 Days

Day: 10.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 160.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,151,397 km

• M1: 136,732 km (0.027 R)
• M2: 502,200 km (0.028 R)
• M3: 988,842 km (0.083 R)
• M4: 1,465,012 km (0.117 R)
• M5: 1,990,250 km (0.105 R)
• M6: 2,353,773 km (0.111 R)
• M7: 3,298,483 km (0.038 R)
• M8: 4,257,107 km (0.114 R)
• M9: 7,090,041 km (0.113 R)
• M10: 8,599,035 km (0.067 R)
• M11: 9,533,872 km (0.116 R)
• M12: 10,445,522 km (0.11 R)
• M13: 11,038,378 km (0.116 R)
• M14: 11,414,168 km (0.116 R)
• M15: 12,191,778 km (0.114 R)
• M16: 13,212,783 km (0.085 R)
• M17: 14,345,389 km (0.106 R)
• M18: 14,906,829 km (0.119 R)
• M19: 15,658,708 km (0.096 R)
• M20: 17,300,994 km (0.114 R)
• M21: 25,349,509 km (0.054 R)
• M22: 26,504,105 km (0.079 R)
• M23: 29,363,968 km (0.106 R)
• M24: 29,905,213 km (0.099 R)
• M25: 31,381,145 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.5

Radius: 9.3

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.65 AU - 4.75 AU

Year: 7033 Days

Day: 15 Hours

Environment

Temp: -214 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,151,397 km

• M1: 115,639 km (0.095 R)
• M2: 555,906 km (0.082 R)
• M3: 1,392,607 km (0.101 R)
• M4: 1,693,897 km (0.079 R)
• M5: 2,777,434 km (0.103 R)
• M6: 4,346,865 km (0.067 R)
• M7: 5,625,778 km (0.054 R)
• M8: 6,268,300 km (0.094 R)
• M9: 7,249,214 km (0.1 R)
• M10: 7,547,362 km (0.097 R)
• M11: 7,931,679 km (0.086 R)
• M12: 9,337,151 km (0.052 R)
• M13: 11,695,562 km (0.116 R)
• M14: 12,054,746 km (0.093 R)
• M15: 12,741,251 km (0.075 R)
• M16: 14,957,992 km (0.098 R)
• M17: 23,292,538 km (0.1 R)
• M18: 27,204,672 km (0.108 R)
• M19: 28,292,847 km (0.112 R)
• M20: 30,749,992 km (0.058 R)
• M21: 32,230,412 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.6

Radius: 4.2

Gravity: 43.91 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.14 AU - 6.66 AU

Year: 11176 Days

Day: 17.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,151,397 km

• M1: 53,706 km (0.073 R)
• M2: 276,457 km (0.05 R)
• M3: 680,670 km (0.095 R)
• M4: 1,362,537 km (0.059 R)
• M5: 1,668,315 km (0.113 R)
• M6: 2,182,633 km (0.105 R)
• M7: 2,517,433 km (0.108 R)
• M8: 2,664,787 km (0.103 R)
• M9: 2,817,975 km (0.105 R)
• M10: 3,388,691 km (0.081 R)
• M11: 3,892,237 km (0.07 R)
• M12: 4,353,747 km (0.063 R)
• M13: 5,213,935 km (0.066 R)
• M14: 5,701,923 km (0.088 R)
• M15: 5,956,987 km (0.047 R)
• M16: 6,106,136 km (0.089 R)
• M17: 7,563,220 km (0.082 R)
• M18: 11,599,370 km (0.12 R)
• M19: 13,232,231 km (0.099 R)
• M20: 14,469,256 km (0.093 R)
• M21: 15,358,615 km (0.088 R)
• M22: 16,502,590 km (0.026 R)
• M23: 17,933,344 km (0.073 R)
• M24: 20,273,354 km (0.07 R)
• M25: 21,560,045 km (0.113 R)
• M26: 22,537,518 km (0.063 R)
• M27: 32,353,681 km (0.094 R)
• M28: 33,987,888 km (0.041 R)
• M29: 39,875,761 km (0.101 R)
• M30: 43,968,909 km (0.118 R)
• M31: 52,341,901 km (0.099 R)
• M32: 53,618,420 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.8

Radius: 5.7

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 6.25 AU - 9.27 AU

Year: 14921 Days

Day: 18.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,151,397 km

• M1: 75,397 km (0.067 R)
• M2: 261,347 km (0.116 R)
• M3: 709,842 km (0.08 R)
• M4: 936,483 km (0.037 R)
• M5: 1,355,955 km (0.049 R)
• M6: 1,876,855 km (0.076 R)
• M7: 2,427,375 km (0.117 R)
• M8: 2,760,829 km (0.028 R)
• M9: 3,352,638 km (0.104 R)
• M10: 5,088,272 km (0.102 R)
• M11: 7,589,399 km (0.12 R)
• M12: 8,003,187 km (0.117 R)
• M13: 11,172,867 km (0.116 R)
• M14: 12,830,112 km (0.088 R)
• M15: 14,962,779 km (0.053 R)
• M16: 16,830,508 km (0.108 R)
• M17: 18,699,135 km (0.109 R)
• M18: 19,760,383 km (0.075 R)
• M19: 19,993,007 km (0.107 R)
• M20: 22,419,934 km (0.037 R)
• M21: 23,357,015 km (0.105 R)
• M22: 23,617,016 km (0.067 R)
• M23: 28,436,461 km (0.12 R)
• M24: 30,762,708 km (0.1 R)
• M25: 31,284,655 km (0.102 R)
• M26: 32,453,612 km (0.109 R)
• M27: 32,885,950 km (0.113 R)
• M28: 41,590,901 km (0.106 R)
• M29: 41,845,367 km (0.12 R)
• M30: 43,263,555 km (0.094 R)
• M31: 43,918,644 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 566.6

Radius: 6.2

Gravity: 14.74 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 8.14 AU - 12.24 AU

Year: 22453 Days

Day: 22.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 77,151,397 km

• M1: 81,381 km (0.11 R)
• M2: 398,828 km (0.05 R)
• M3: 843,134 km (0.116 R)
• M4: 1,077,404 km (0.084 R)
• M5: 2,035,728 km (0.087 R)
• M6: 2,772,049 km (0.118 R)
• M7: 3,467,379 km (0.072 R)
• M8: 3,918,118 km (0.07 R)
• M9: 5,389,114 km (0.105 R)
• M10: 5,665,870 km (0.118 R)
• M11: 8,654,237 km (0.074 R)
• M12: 9,538,959 km (0.043 R)
• M13: 11,422,246 km (0.068 R)
• M14: 12,553,805 km (0.06 R)
• M15: 14,126,527 km (0.096 R)
• M16: 16,230,621 km (0.089 R)
• M17: 17,917,935 km (0.064 R)
• M18: 22,437,736 km (0.07 R)
• M19: 23,992,357 km (0.092 R)
• M20: 25,728,440 km (0.076 R)
• M21: 28,725,185 km (0.12 R)
• M22: 29,448,490 km (0.069 R)
• M23: 30,307,481 km (0.076 R)
• M24: 32,333,336 km (0.106 R)
• M25: 35,954,053 km (0.091 R)
• M26: 39,539,166 km (0.071 R)
• M27: 41,341,671 km (0.094 R)
• M28: 42,573,460 km (0.091 R)
• M29: 47,243,456 km (0.026 R)
• M30: 50,307,520 km (0.09 R)
• M31: 53,501,434 km (0.058 R)
• M32: 57,395,467 km (0.108 R)
• M33: 58,349,752 km (0.05 R)
• M34: 62,272,507 km (0.048 R)
• M35: 67,842,186 km (0.088 R)
• M36: 68,480,819 km (0.051 R)
• M37: 68,908,818 km (0.096 R)
• M38: 70,203,438 km (0.064 R)
• M39: 70,856,732 km (0.057 R)
• M40: 73,959,392 km (0.096 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: 550 - 16,217 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit