🌌 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: 670.3

Radius: 13.5

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.54 AU - 0.56 AU

Year: 287 Days

Day: 9.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 69,653,939 km

• M1: 167,849 km (0.101 R)
• M2: 604,824 km (0.063 R)
• M3: 1,297,762 km (0.054 R)
• M4: 1,948,961 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.9

Radius: 12.7

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.77 AU - 1.07 AU

Year: 620 Days

Day: 11 Hours

Environment

Temp: -162 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,653,939 km

• M1: 157,975 km (0.106 R)
• M2: 576,550 km (0.119 R)
• M3: 975,528 km (0.115 R)
• M4: 1,578,108 km (0.099 R)
• M5: 1,980,227 km (0.086 R)
• M6: 3,033,845 km (0.087 R)
• M7: 3,761,489 km (0.08 R)
• M8: 5,601,243 km (0.094 R)
• M9: 6,476,241 km (0.071 R)
• M10: 6,925,933 km (0.109 R)
• M11: 7,484,232 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 895

Radius: 11.2

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.77 AU - 1.25 AU

Year: 713 Days

Day: 12 Hours

Environment

Temp: -184 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,653,939 km

• M1: 139,276 km (0.11 R)
• M2: 513,270 km (0.074 R)
• M3: 885,021 km (0.108 R)
• M4: 1,438,234 km (0.119 R)
• M5: 2,027,650 km (0.096 R)
• M6: 2,401,046 km (0.113 R)
• M7: 3,209,622 km (0.109 R)
• M8: 5,628,321 km (0.07 R)
• M9: 6,024,007 km (0.119 R)
• M10: 6,374,964 km (0.042 R)
• M11: 6,739,534 km (0.111 R)
• M12: 7,893,681 km (0.091 R)
• M13: 8,595,146 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.9

Radius: 11.9

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.88 AU - 1.32 AU

Year: 811 Days

Day: 9.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,653,939 km

• M1: 147,952 km (0.091 R)
• M2: 520,301 km (0.112 R)
• M3: 1,476,980 km (0.102 R)
• M4: 2,202,230 km (0.075 R)
• M5: 2,671,220 km (0.044 R)
• M6: 3,152,775 km (0.098 R)
• M7: 3,859,176 km (0.079 R)
• M8: 5,667,515 km (0.076 R)
• M9: 7,222,735 km (0.109 R)
• M10: 7,609,445 km (0.068 R)
• M11: 7,984,487 km (0.099 R)
• M12: 9,872,263 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.7

Radius: 12.8

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.54 AU - 2.28 AU

Year: 1855 Days

Day: 5.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,653,939 km

• M1: 162,912 km (0.044 R)
• M2: 985,850 km (0.073 R)
• M3: 1,408,614 km (0.073 R)
• M4: 1,998,029 km (0.066 R)
• M5: 3,266,021 km (0.08 R)
• M6: 3,696,264 km (0.119 R)
• M7: 5,392,704 km (0.116 R)
• M8: 9,035,861 km (0.105 R)
• M9: 9,536,415 km (0.11 R)
• M10: 10,254,934 km (0.102 R)
• M11: 11,044,362 km (0.107 R)
• M12: 12,322,975 km (0.102 R)
• M13: 13,215,476 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.9

Radius: 10.3

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.79 AU - 3.67 AU

Year: 4080 Days

Day: 10.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,653,939 km

• M1: 128,056 km (0.066 R)
• M2: 709,692 km (0.12 R)
• M3: 1,036,264 km (0.105 R)
• M4: 1,423,873 km (0.088 R)
• M5: 2,197,892 km (0.037 R)
• M6: 2,613,774 km (0.103 R)
• M7: 3,444,491 km (0.105 R)
• M8: 4,142,365 km (0.115 R)
• M9: 4,931,943 km (0.091 R)
• M10: 6,315,573 km (0.115 R)
• M11: 8,012,612 km (0.053 R)
• M12: 8,334,546 km (0.048 R)
• M13: 8,702,557 km (0.045 R)
• M14: 9,042,892 km (0.072 R)
• M15: 11,099,264 km (0.097 R)
• M16: 12,330,754 km (0.114 R)
• M17: 14,901,743 km (0.119 R)
• M18: 15,280,525 km (0.066 R)
• M19: 17,450,292 km (0.07 R)
• M20: 21,901,727 km (0.087 R)
• M21: 23,104,494 km (0.084 R)
• M22: 24,201,944 km (0.106 R)
• M23: 25,180,912 km (0.068 R)
• M24: 26,107,671 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.6

Radius: 11.6

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.94 AU - 3.76 AU

Year: 4310 Days

Day: 8.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,653,939 km

• M1: 144,212 km (0.111 R)
• M2: 548,875 km (0.052 R)
• M3: 1,181,225 km (0.093 R)
• M4: 1,626,129 km (0.114 R)
• M5: 2,405,235 km (0.101 R)
• M6: 3,400,060 km (0.067 R)
• M7: 3,780,488 km (0.065 R)
• M8: 4,147,152 km (0.118 R)
• M9: 4,765,440 km (0.057 R)
• M10: 5,546,341 km (0.1 R)
• M11: 6,582,306 km (0.088 R)
• M12: 7,519,387 km (0.107 R)
• M13: 7,970,724 km (0.112 R)
• M14: 11,613,432 km (0.08 R)
• M15: 12,305,771 km (0.06 R)
• M16: 13,868,321 km (0.07 R)
• M17: 14,499,325 km (0.086 R)
• M18: 19,466,423 km (0.079 R)
• M19: 19,889,934 km (0.09 R)
• M20: 20,944,151 km (0.052 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.2

Radius: 10.7

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.93 AU - 4.09 AU

Year: 5644 Days

Day: 9.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,653,939 km

• M1: 133,591 km (0.032 R)
• M2: 689,646 km (0.043 R)
• M3: 1,140,684 km (0.118 R)
• M4: 1,884,036 km (0.099 R)
• M5: 2,256,235 km (0.101 R)
• M6: 3,485,331 km (0.056 R)
• M7: 4,821,689 km (0.088 R)
• M8: 7,459,249 km (0.086 R)
• M9: 8,193,625 km (0.111 R)
• M10: 9,234,377 km (0.1 R)
• M11: 11,447,229 km (0.119 R)
• M12: 11,884,504 km (0.105 R)
• M13: 12,979,859 km (0.069 R)
• M14: 13,407,560 km (0.091 R)
• M15: 15,004,816 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.2

Radius: 6.2

Gravity: 22.25 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 6.89 AU - 7.87 AU

Year: 14093 Days

Day: 15.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,653,939 km

• M1: 77,043 km (0.104 R)
• M2: 401,072 km (0.051 R)
• M3: 668,702 km (0.095 R)
• M4: 1,310,477 km (0.034 R)
• M5: 1,723,816 km (0.076 R)
• M6: 2,579,366 km (0.096 R)
• M7: 2,976,100 km (0.103 R)
• M8: 3,950,581 km (0.116 R)
• M9: 4,912,345 km (0.112 R)
• M10: 6,100,900 km (0.098 R)
• M11: 7,841,621 km (0.091 R)
• M12: 9,241,109 km (0.084 R)
• M13: 9,778,914 km (0.09 R)
• M14: 13,726,801 km (0.11 R)
• M15: 17,223,652 km (0.066 R)
• M16: 17,872,607 km (0.084 R)
• M17: 19,479,288 km (0.075 R)
• M18: 21,924,466 km (0.094 R)
• M19: 23,962,288 km (0.079 R)
• M20: 25,492,973 km (0.118 R)
• M21: 25,701,812 km (0.063 R)
• M22: 31,183,975 km (0.044 R)
• M23: 31,423,033 km (0.069 R)
• M24: 31,904,588 km (0.108 R)
• M25: 32,147,236 km (0.107 R)
• M26: 35,414,753 km (0.107 R)
• M27: 36,861,364 km (0.102 R)
• M28: 43,935,698 km (0.112 R)
• M29: 49,880,418 km (0.101 R)
• M30: 51,362,783 km (0.106 R)
• M31: 58,852,700 km (0.034 R)
• M32: 63,525,240 km (0.037 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 882.8

Radius: 3

Gravity: 98.09 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.6 AU - 8.08 AU

Year: 15431 Days

Day: 21.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 69,653,939 km

• M1: 55,501 km (0.079 R)
• M2: 216,319 km (0.087 R)
• M3: 311,912 km (0.071 R)
• M4: 553,512 km (0.098 R)
• M5: 819,796 km (0.098 R)
• M6: 1,138,141 km (0.034 R)
• M7: 2,091,229 km (0.118 R)
• M8: 2,449,216 km (0.055 R)
• M9: 3,478,450 km (0.095 R)
• M10: 4,559,893 km (0.094 R)
• M11: 5,381,484 km (0.091 R)
• M12: 5,533,775 km (0.089 R)
• M13: 8,897,034 km (0.105 R)
• M14: 10,226,660 km (0.094 R)
• M15: 10,757,583 km (0.108 R)
• M16: 11,810,303 km (0.106 R)
• M17: 16,389,195 km (0.065 R)
• M18: 17,362,030 km (0.111 R)
• M19: 22,023,649 km (0.076 R)
• M20: 24,327,456 km (0.105 R)
• M21: 25,165,055 km (0.106 R)
• M22: 29,406,753 km (0.106 R)
• M23: 35,149,067 km (0.109 R)
• M24: 35,814,927 km (0.108 R)
• M25: 38,281,497 km (0.099 R)
• M26: 40,131,574 km (0.104 R)
• M27: 40,712,761 km (0.081 R)
• M28: 52,325,595 km (0.086 R)
• M29: 54,423,855 km (0.092 R)
• M30: 62,402,807 km (0.05 R)
• M31: 65,961,890 km (0.095 R)
• M32: 66,163,548 km (0.054 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 12,570 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit