🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.8

Radius: 9.4

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.78 AU - 0.82 AU

Year: 469 Days

Day: 6.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,007,017 km

• M1: 116,836 km (0.116 R)
• M2: 488,736 km (0.089 R)
• M3: 911,201 km (0.111 R)
• M4: 1,394,551 km (0.065 R)
• M5: 1,788,443 km (0.067 R)
• M6: 2,085,694 km (0.117 R)
• M7: 2,484,521 km (0.115 R)
• M8: 2,792,543 km (0.085 R)
• M9: 3,351,142 km (0.055 R)
• M10: 4,276,554 km (0.11 R)
• M11: 5,481,715 km (0.102 R)
• M12: 6,062,304 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.3

Radius: 11.7

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.87 AU - 1.19 AU

Year: 686 Days

Day: 13.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,007,017 km

• M1: 145,559 km (0.12 R)
• M2: 586,124 km (0.069 R)
• M3: 1,093,560 km (0.049 R)
• M4: 1,712,746 km (0.11 R)
• M5: 2,448,618 km (0.077 R)
• M6: 3,140,059 km (0.074 R)
• M7: 3,769,268 km (0.09 R)
• M8: 4,198,464 km (0.041 R)
• M9: 5,067,777 km (0.096 R)
• M10: 5,592,118 km (0.105 R)
• M11: 6,152,512 km (0.109 R)
• M12: 6,814,033 km (0.043 R)
• M13: 7,206,578 km (0.055 R)
• M14: 7,614,232 km (0.093 R)
• M15: 8,085,316 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.9

Radius: 13.7

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.98 AU - 1.6 AU

Year: 961 Days

Day: 9.3 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,007,017 km

• M1: 170,392 km (0.086 R)
• M2: 645,664 km (0.076 R)
• M3: 1,207,554 km (0.041 R)
• M4: 1,658,143 km (0.105 R)
• M5: 2,190,861 km (0.097 R)
• M6: 2,863,602 km (0.055 R)
• M7: 4,239,005 km (0.045 R)
• M8: 5,017,064 km (0.09 R)
• M9: 5,909,714 km (0.106 R)
• M10: 6,929,673 km (0.089 R)
• M11: 7,519,986 km (0.094 R)
• M12: 8,117,031 km (0.096 R)
• M13: 8,745,641 km (0.034 R)
• M14: 9,230,787 km (0.101 R)
• M15: 9,946,613 km (0.087 R)
• M16: 10,412,610 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.6

Radius: 14.8

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.66 AU - 1.86 AU

Year: 1532 Days

Day: 13.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,007,017 km

• M1: 184,005 km (0.117 R)
• M2: 651,648 km (0.116 R)
• M3: 1,614,460 km (0.047 R)
• M4: 2,233,197 km (0.093 R)
• M5: 3,008,563 km (0.094 R)
• M6: 3,715,413 km (0.072 R)
• M7: 4,229,431 km (0.04 R)
• M8: 4,734,473 km (0.074 R)
• M9: 5,340,943 km (0.065 R)
• M10: 6,154,905 km (0.104 R)
• M11: 6,615,667 km (0.105 R)
• M12: 8,085,017 km (0.054 R)
• M13: 10,749,505 km (0.067 R)
• M14: 11,766,920 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.3

Radius: 10.5

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.91 AU - 2.47 AU

Year: 2126 Days

Day: 5.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,007,017 km

• M1: 130,599 km (0.1 R)
• M2: 663,766 km (0.08 R)
• M3: 1,026,989 km (0.106 R)
• M4: 1,964,968 km (0.077 R)
• M5: 2,364,843 km (0.05 R)
• M6: 3,067,355 km (0.107 R)
• M7: 3,416,067 km (0.106 R)
• M8: 4,254,115 km (0.12 R)
• M9: 4,689,744 km (0.1 R)
• M10: 5,041,448 km (0.085 R)
• M11: 5,553,821 km (0.046 R)
• M12: 6,387,530 km (0.112 R)
• M13: 6,765,564 km (0.08 R)
• M14: 7,158,408 km (0.03 R)
• M15: 8,021,139 km (0.079 R)
• M16: 8,429,690 km (0.055 R)
• M17: 9,018,358 km (0.118 R)
• M18: 10,461,828 km (0.12 R)
• M19: 11,891,535 km (0.097 R)
• M20: 13,890,461 km (0.038 R)
• M21: 16,755,261 km (0.057 R)
• M22: 17,113,398 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.7

Radius: 9.8

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 2.3 AU - 2.32 AU

Year: 2303 Days

Day: 11.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,007,017 km

• M1: 122,820 km (0.072 R)
• M2: 530,175 km (0.091 R)
• M3: 972,536 km (0.093 R)
• M4: 1,310,926 km (0.067 R)
• M5: 1,624,184 km (0.073 R)
• M6: 2,222,276 km (0.073 R)
• M7: 2,792,394 km (0.087 R)
• M8: 3,120,612 km (0.041 R)
• M9: 3,855,736 km (0.032 R)
• M10: 4,184,402 km (0.087 R)
• M11: 4,680,618 km (0.047 R)
• M12: 5,100,689 km (0.059 R)
• M13: 5,940,980 km (0.116 R)
• M14: 6,732,203 km (0.052 R)
• M15: 7,182,194 km (0.108 R)
• M16: 7,864,061 km (0.045 R)
• M17: 9,185,758 km (0.084 R)
• M18: 10,575,223 km (0.089 R)
• M19: 11,222,832 km (0.114 R)
• M20: 12,723,598 km (0.065 R)
• M21: 14,171,257 km (0.066 R)
• M22: 15,005,714 km (0.077 R)
• M23: 16,976,815 km (0.048 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279

Radius: 8.9

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.67 AU - 2.81 AU

Year: 2975 Days

Day: 11.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,007,017 km

• M1: 110,702 km (0.094 R)
• M2: 410,048 km (0.084 R)
• M3: 1,036,264 km (0.111 R)
• M4: 1,515,127 km (0.105 R)
• M5: 2,857,469 km (0.095 R)
• M6: 3,679,958 km (0.109 R)
• M7: 4,042,583 km (0.072 R)
• M8: 4,369,604 km (0.095 R)
• M9: 4,734,922 km (0.106 R)
• M10: 5,644,178 km (0.047 R)
• M11: 6,612,675 km (0.07 R)
• M12: 7,345,555 km (0.027 R)
• M13: 7,863,612 km (0.081 R)
• M14: 9,298,256 km (0.086 R)
• M15: 9,938,983 km (0.026 R)
• M16: 11,383,949 km (0.088 R)
• M17: 12,156,772 km (0.054 R)
• M18: 13,763,602 km (0.071 R)
• M19: 14,775,183 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.9

Radius: 14

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.3 AU - 5.46 AU

Year: 7072 Days

Day: 6 Hours

Environment

Temp: -212 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,007,017 km

• M1: 174,132 km (0.077 R)
• M2: 671,844 km (0.107 R)
• M3: 1,513,482 km (0.069 R)
• M4: 2,394,015 km (0.078 R)
• M5: 2,836,824 km (0.1 R)
• M6: 3,729,625 km (0.099 R)
• M7: 4,180,512 km (0.088 R)
• M8: 4,939,722 km (0.08 R)
• M9: 5,485,754 km (0.103 R)
• M10: 6,564,055 km (0.057 R)
• M11: 7,779,388 km (0.087 R)
• M12: 8,321,531 km (0.114 R)
• M13: 9,438,578 km (0.118 R)
• M14: 9,966,210 km (0.056 R)
• M15: 12,276,749 km (0.115 R)
• M16: 16,889,300 km (0.103 R)
• M17: 21,251,425 km (0.12 R)
• M18: 22,236,826 km (0.03 R)
• M19: 24,217,352 km (0.112 R)
• M20: 26,572,471 km (0.099 R)
• M21: 32,028,007 km (0.11 R)
• M22: 32,921,106 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 330.4

Radius: 3.7

Gravity: 24.13 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.15 AU - 7.71 AU

Year: 11968 Days

Day: 24.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 53,007,017 km

• M1: 46,076 km (0.063 R)
• M2: 438,023 km (0.114 R)
• M3: 602,431 km (0.096 R)
• M4: 781,350 km (0.085 R)
• M5: 975,229 km (0.105 R)
• M6: 1,121,685 km (0.12 R)
• M7: 1,580,950 km (0.051 R)
• M8: 2,189,963 km (0.092 R)
• M9: 2,461,483 km (0.068 R)
• M10: 3,775,850 km (0.094 R)
• M11: 6,383,341 km (0.052 R)
• M12: 6,785,311 km (0.077 R)
• M13: 7,011,652 km (0.086 R)
• M14: 7,360,514 km (0.119 R)
• M15: 8,563,431 km (0.03 R)
• M16: 9,606,278 km (0.079 R)
• M17: 9,748,246 km (0.094 R)
• M18: 10,379,699 km (0.057 R)
• M19: 15,388,235 km (0.114 R)
• M20: 19,445,030 km (0.055 R)
• M21: 21,717,422 km (0.083 R)
• M22: 22,208,701 km (0.115 R)
• M23: 24,688,137 km (0.104 R)
• M24: 25,313,007 km (0.035 R)
• M25: 25,765,840 km (0.052 R)
• M26: 25,948,499 km (0.101 R)
• M27: 31,419,592 km (0.08 R)
• M28: 33,763,641 km (0.035 R)
• M29: 37,028,016 km (0.118 R)
• M30: 39,156,644 km (0.099 R)
• M31: 40,743,578 km (0.113 R)
• M32: 41,240,393 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 417.3

Radius: 6.5

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 7.95 AU - 8.09 AU

Year: 14899 Days

Day: 18 Hours

Environment

Temp: -230 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,007,017 km

• M1: 81,830 km (0.053 R)
• M2: 592,258 km (0.085 R)
• M3: 859,141 km (0.074 R)
• M4: 1,597,256 km (0.051 R)
• M5: 2,017,626 km (0.099 R)
• M6: 4,115,138 km (0.085 R)
• M7: 4,407,303 km (0.111 R)
• M8: 7,522,679 km (0.119 R)
• M9: 10,090,227 km (0.084 R)
• M10: 10,460,930 km (0.112 R)
• M11: 12,094,090 km (0.105 R)
• M12: 13,377,939 km (0.103 R)
• M13: 17,695,334 km (0.082 R)
• M14: 22,319,853 km (0.06 R)
• M15: 24,149,435 km (0.096 R)
• M16: 24,432,175 km (0.108 R)
• M17: 33,161,061 km (0.076 R)
• M18: 40,625,546 km (0.104 R)
• M19: 43,065,637 km (0.099 R)
• M20: 45,889,745 km (0.11 R)
• M21: 46,906,562 km (0.049 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 19,207 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit