🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.3 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.8

Radius: 12.7

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.1 AU - 3.08 AU

Year: 2734 Days

Day: 8.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,963,476 km

• M1: 157,975 km (0.099 R)
• M2: 554,410 km (0.093 R)
• M3: 1,125,574 km (0.12 R)
• M4: 1,544,149 km (0.052 R)
• M5: 2,348,088 km (0.042 R)
• M6: 3,608,749 km (0.074 R)
• M7: 4,019,545 km (0.098 R)
• M8: 4,913,841 km (0.104 R)
• M9: 5,373,107 km (0.078 R)
• M10: 6,458,439 km (0.08 R)
• M11: 7,039,328 km (0.103 R)
• M12: 7,475,256 km (0.102 R)
• M13: 7,898,468 km (0.077 R)
• M14: 8,498,505 km (0.101 R)
• M15: 10,746,513 km (0.108 R)
• M16: 11,169,426 km (0.087 R)
• M17: 11,804,618 km (0.094 R)
• M18: 13,060,343 km (0.09 R)
• M19: 13,991,141 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.1

Radius: 8.8

Gravity: 10.4 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.4 AU - 3.1 AU

Year: 2992 Days

Day: 6.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,963,476 km

• M1: 111,450 km (0.031 R)
• M2: 474,076 km (0.06 R)
• M3: 1,091,466 km (0.058 R)
• M4: 2,402,841 km (0.084 R)
• M5: 3,774,653 km (0.114 R)
• M6: 4,235,714 km (0.097 R)
• M7: 4,997,616 km (0.106 R)
• M8: 5,713,143 km (0.11 R)
• M9: 6,612,525 km (0.115 R)
• M10: 7,034,690 km (0.086 R)
• M11: 7,315,336 km (0.112 R)
• M12: 7,799,883 km (0.084 R)
• M13: 8,797,252 km (0.084 R)
• M14: 9,457,877 km (0.118 R)
• M15: 13,792,026 km (0.12 R)
• M16: 14,084,939 km (0.045 R)
• M17: 16,579,483 km (0.096 R)
• M18: 17,359,187 km (0.051 R)
• M19: 19,783,421 km (0.027 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.4

Radius: 9

Gravity: 10.89 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.11 AU - 3.99 AU

Year: 4388 Days

Day: 8.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,963,476 km

• M1: 136,882 km (0.047 R)
• M2: 481,705 km (0.112 R)
• M3: 763,548 km (0.059 R)
• M4: 1,085,931 km (0.094 R)
• M5: 1,465,610 km (0.097 R)
• M6: 1,771,388 km (0.115 R)
• M7: 2,773,694 km (0.087 R)
• M8: 3,409,335 km (0.084 R)
• M9: 4,889,158 km (0.086 R)
• M10: 5,352,911 km (0.036 R)
• M11: 6,274,135 km (0.053 R)
• M12: 6,657,704 km (0.032 R)
• M13: 7,507,569 km (0.07 R)
• M14: 8,581,981 km (0.077 R)
• M15: 10,184,324 km (0.097 R)
• M16: 11,688,231 km (0.082 R)
• M17: 12,418,718 km (0.104 R)
• M18: 14,625,885 km (0.047 R)
• M19: 15,998,146 km (0.114 R)
• M20: 18,538,019 km (0.106 R)
• M21: 19,530,750 km (0.088 R)
• M22: 23,628,236 km (0.063 R)
• M23: 24,873,788 km (0.06 R)
• M24: 27,495,640 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.3

Radius: 14.4

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.68 AU - 6.02 AU

Year: 7007 Days

Day: 7.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,963,476 km

• M1: 179,069 km (0.084 R)
• M2: 644,318 km (0.082 R)
• M3: 1,339,499 km (0.098 R)
• M4: 1,952,701 km (0.095 R)
• M5: 2,713,556 km (0.079 R)
• M6: 3,441,499 km (0.112 R)
• M7: 3,972,721 km (0.097 R)
• M8: 5,114,901 km (0.087 R)
• M9: 5,685,018 km (0.114 R)
• M10: 6,330,832 km (0.099 R)
• M11: 6,918,004 km (0.077 R)
• M12: 7,466,131 km (0.1 R)
• M13: 8,901,073 km (0.04 R)
• M14: 9,955,439 km (0.073 R)
• M15: 11,998,946 km (0.065 R)
• M16: 12,846,717 km (0.029 R)
• M17: 18,241,366 km (0.047 R)
• M18: 18,726,512 km (0.117 R)
• M19: 21,282,242 km (0.095 R)
• M20: 25,755,817 km (0.111 R)
• M21: 26,987,456 km (0.076 R)
• M22: 36,295,286 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.4

Radius: 14.8

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.21 AU - 5.77 AU

Year: 7312 Days

Day: 6.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 95.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,963,476 km

• M1: 201,359 km (0.115 R)
• M2: 788,381 km (0.116 R)
• M3: 1,271,731 km (0.099 R)
• M4: 2,038,271 km (0.094 R)
• M5: 3,058,229 km (0.049 R)
• M6: 3,708,830 km (0.077 R)
• M7: 4,960,217 km (0.078 R)
• M8: 5,571,922 km (0.11 R)
• M9: 7,286,164 km (0.09 R)
• M10: 11,059,023 km (0.107 R)
• M11: 11,522,926 km (0.094 R)
• M12: 13,451,841 km (0.084 R)
• M13: 15,716,453 km (0.068 R)
• M14: 18,583,646 km (0.086 R)
• M15: 22,679,037 km (0.111 R)
• M16: 35,198,733 km (0.066 R)
• M17: 36,887,245 km (0.119 R)
• M18: 39,102,789 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119.6

Radius: 5.9

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 5.49 AU - 8.49 AU

Year: 12123 Days

Day: 15.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,963,476 km

• M1: 73,453 km (0.087 R)
• M2: 259,552 km (0.109 R)
• M3: 509,381 km (0.075 R)
• M4: 1,106,875 km (0.119 R)
• M5: 1,740,721 km (0.069 R)
• M6: 2,261,022 km (0.087 R)
• M7: 3,518,542 km (0.06 R)
• M8: 5,128,963 km (0.047 R)
• M9: 5,820,105 km (0.116 R)
• M10: 6,377,806 km (0.116 R)
• M11: 7,350,491 km (0.109 R)
• M12: 9,049,774 km (0.06 R)
• M13: 9,840,249 km (0.116 R)
• M14: 14,604,642 km (0.11 R)
• M15: 16,222,094 km (0.076 R)
• M16: 16,827,666 km (0.094 R)
• M17: 20,640,168 km (0.106 R)
• M18: 21,858,044 km (0.111 R)
• M19: 23,047,497 km (0.107 R)
• M20: 24,911,486 km (0.066 R)
• M21: 26,873,612 km (0.071 R)
• M22: 28,324,262 km (0.079 R)
• M23: 29,916,283 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968.9

Radius: 4.9

Gravity: 40.35 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.43 AU - 8.73 AU

Year: 12358 Days

Day: 21.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,963,476 km

• M1: 60,886 km (0.115 R)
• M2: 381,475 km (0.09 R)
• M3: 1,199,925 km (0.056 R)
• M4: 1,362,388 km (0.05 R)
• M5: 1,666,371 km (0.119 R)
• M6: 2,515,488 km (0.049 R)
• M7: 3,145,894 km (0.101 R)
• M8: 3,404,249 km (0.072 R)
• M9: 3,676,667 km (0.059 R)
• M10: 3,934,274 km (0.087 R)
• M11: 5,969,105 km (0.074 R)
• M12: 6,906,934 km (0.097 R)
• M13: 7,210,767 km (0.082 R)
• M14: 8,865,768 km (0.1 R)
• M15: 11,285,215 km (0.082 R)
• M16: 16,826,619 km (0.095 R)
• M17: 17,060,889 km (0.103 R)
• M18: 17,696,381 km (0.079 R)
• M19: 17,857,647 km (0.071 R)
• M20: 19,268,655 km (0.119 R)
• M21: 20,485,035 km (0.112 R)
• M22: 21,751,680 km (0.09 R)
• M23: 22,973,895 km (0.109 R)
• M24: 24,142,104 km (0.084 R)
• M25: 26,701,874 km (0.113 R)
• M26: 33,325,319 km (0.109 R)
• M27: 33,818,843 km (0.094 R)
• M28: 35,841,256 km (0.116 R)
• M29: 36,229,164 km (0.097 R)
• M30: 37,013,505 km (0.112 R)
• M31: 45,187,832 km (0.073 R)
• M32: 48,736,742 km (0.071 R)
• M33: 50,013,411 km (0.081 R)
• M34: 50,985,497 km (0.03 R)
• M35: 58,680,513 km (0.1 R)
• M36: 60,124,880 km (0.12 R)
• M37: 61,039,522 km (0.106 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: 268 - 14,194 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit