🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.27 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.4

Radius: 14.3

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.1 AU - 2.98 AU

Year: 2699 Days

Day: 8.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,327,395 km

• M1: 193,280 km (0.091 R)
• M2: 676,781 km (0.099 R)
• M3: 1,410,708 km (0.069 R)
• M4: 3,649,590 km (0.096 R)
• M5: 4,222,549 km (0.031 R)
• M6: 5,318,503 km (0.067 R)
• M7: 6,126,631 km (0.117 R)
• M8: 8,665,905 km (0.062 R)
• M9: 9,139,084 km (0.093 R)
• M10: 10,966,870 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.2

Radius: 9.3

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.6 AU - 2.92 AU

Year: 3058 Days

Day: 8.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,327,395 km

• M1: 115,639 km (0.106 R)
• M2: 450,290 km (0.071 R)
• M3: 767,736 km (0.076 R)
• M4: 1,171,052 km (0.104 R)
• M5: 1,571,526 km (0.068 R)
• M6: 1,949,111 km (0.085 R)
• M7: 2,730,161 km (0.087 R)
• M8: 3,140,508 km (0.075 R)
• M9: 3,442,845 km (0.056 R)
• M10: 3,963,296 km (0.112 R)
• M11: 4,338,787 km (0.102 R)
• M12: 4,899,629 km (0.091 R)
• M13: 5,332,865 km (0.082 R)
• M14: 6,471,753 km (0.11 R)
• M15: 7,543,921 km (0.095 R)
• M16: 9,961,124 km (0.116 R)
• M17: 12,061,478 km (0.069 R)
• M18: 12,585,220 km (0.074 R)
• M19: 13,584,833 km (0.073 R)
• M20: 14,441,281 km (0.092 R)
• M21: 15,182,090 km (0.043 R)
• M22: 15,792,748 km (0.116 R)
• M23: 16,525,927 km (0.066 R)
• M24: 20,474,413 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.3

Radius: 14.3

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.91 AU - 4.17 AU

Year: 4442 Days

Day: 11.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,327,395 km

• M1: 192,532 km (0.091 R)
• M2: 842,236 km (0.077 R)
• M3: 1,724,265 km (0.074 R)
• M4: 3,221,889 km (0.099 R)
• M5: 4,003,538 km (0.039 R)
• M6: 4,464,000 km (0.051 R)
• M7: 7,632,633 km (0.047 R)
• M8: 13,340,390 km (0.032 R)
• M9: 14,217,632 km (0.107 R)
• M10: 14,914,160 km (0.096 R)
• M11: 17,623,976 km (0.086 R)
• M12: 18,240,319 km (0.101 R)
• M13: 21,332,507 km (0.091 R)
• M14: 24,151,230 km (0.118 R)
• M15: 26,083,586 km (0.104 R)
• M16: 26,803,899 km (0.094 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.3

Radius: 4.2

Gravity: 19.4 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 5.12 AU - 7.1 AU

Year: 10071 Days

Day: 20.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 76.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,327,395 km

• M1: 52,210 km (0.049 R)
• M2: 229,932 km (0.093 R)
• M3: 366,814 km (0.085 R)
• M4: 593,156 km (0.088 R)
• M5: 738,565 km (0.108 R)
• M6: 1,291,179 km (0.064 R)
• M7: 1,660,686 km (0.091 R)
• M8: 2,146,430 km (0.1 R)
• M9: 2,721,335 km (0.107 R)
• M10: 2,940,945 km (0.091 R)
• M11: 3,259,139 km (0.082 R)
• M12: 3,718,853 km (0.118 R)
• M13: 4,040,040 km (0.093 R)
• M14: 5,418,584 km (0.075 R)
• M15: 5,929,312 km (0.096 R)
• M16: 7,614,980 km (0.06 R)
• M17: 7,850,896 km (0.082 R)
• M18: 8,462,004 km (0.119 R)
• M19: 11,789,958 km (0.107 R)
• M20: 12,212,273 km (0.066 R)
• M21: 13,769,886 km (0.091 R)
• M22: 15,206,474 km (0.091 R)
• M23: 22,351,567 km (0.085 R)
• M24: 23,161,341 km (0.107 R)
• M25: 24,839,380 km (0.04 R)
• M26: 25,972,434 km (0.051 R)
• M27: 27,875,020 km (0.076 R)
• M28: 28,718,004 km (0.079 R)
• M29: 33,189,634 km (0.096 R)
• M30: 33,713,376 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.5

Radius: 3.1

Gravity: 66.34 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.91 AU - 6.63 AU

Year: 10470 Days

Day: 21.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 58,327,395 km

• M1: 40,691 km (0.119 R)
• M2: 154,535 km (0.086 R)
• M3: 251,175 km (0.08 R)
• M4: 610,060 km (0.117 R)
• M5: 810,072 km (0.089 R)
• M6: 1,406,519 km (0.048 R)
• M7: 1,834,967 km (0.109 R)
• M8: 1,933,552 km (0.093 R)
• M9: 3,361,464 km (0.107 R)
• M10: 3,765,827 km (0.087 R)
• M11: 4,640,227 km (0.117 R)
• M12: 4,854,900 km (0.119 R)
• M13: 5,886,227 km (0.112 R)
• M14: 6,662,491 km (0.105 R)
• M15: 6,935,806 km (0.106 R)
• M16: 7,095,277 km (0.101 R)
• M17: 7,257,142 km (0.097 R)
• M18: 9,543,297 km (0.045 R)
• M19: 11,922,801 km (0.102 R)
• M20: 13,340,390 km (0.102 R)
• M21: 14,281,211 km (0.102 R)
• M22: 15,739,790 km (0.102 R)
• M23: 16,364,062 km (0.05 R)
• M24: 17,810,225 km (0.075 R)
• M25: 18,564,198 km (0.111 R)
• M26: 19,814,537 km (0.1 R)
• M27: 22,655,401 km (0.114 R)
• M28: 25,002,741 km (0.074 R)
• M29: 25,283,536 km (0.045 R)
• M30: 28,411,328 km (0.105 R)
• M31: 32,782,877 km (0.074 R)
• M32: 33,231,970 km (0.103 R)
• M33: 35,538,919 km (0.06 R)
• M34: 35,893,915 km (0.105 R)
• M35: 36,490,810 km (0.103 R)
• M36: 36,731,513 km (0.068 R)
• M37: 36,852,239 km (0.119 R)
• M38: 39,196,138 km (0.105 R)
• M39: 47,389,613 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 183.6

Radius: 7.9

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 6.21 AU - 9.21 AU

Year: 14276 Days

Day: 17.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,327,395 km

• M1: 100,979 km (0.046 R)
• M2: 893,548 km (0.054 R)
• M3: 1,229,096 km (0.045 R)
• M4: 2,259,975 km (0.076 R)
• M5: 4,028,072 km (0.105 R)
• M6: 4,753,173 km (0.103 R)
• M7: 6,601,006 km (0.042 R)
• M8: 11,488,967 km (0.099 R)
• M9: 21,334,751 km (0.094 R)
• M10: 26,733,588 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347.3

Radius: 7.7

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 8.67 AU - 9.89 AU

Year: 18852 Days

Day: 16.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,327,395 km

• M1: 95,743 km (0.049 R)
• M2: 343,327 km (0.078 R)
• M3: 1,131,110 km (0.105 R)
• M4: 1,915,900 km (0.046 R)
• M5: 2,549,896 km (0.062 R)
• M6: 4,534,461 km (0.112 R)
• M7: 5,366,824 km (0.118 R)
• M8: 6,336,517 km (0.115 R)
• M9: 6,616,564 km (0.115 R)
• M10: 8,096,087 km (0.04 R)
• M11: 13,840,047 km (0.1 R)
• M12: 17,143,318 km (0.03 R)
• M13: 17,845,979 km (0.078 R)
• M14: 22,286,492 km (0.102 R)
• M15: 29,798,699 km (0.068 R)
• M16: 38,972,788 km (0.096 R)
• M17: 41,983,146 km (0.093 R)
• M18: 46,934,836 km (0.032 R)
• M19: 48,153,909 km (0.092 R)
• M20: 49,394,075 km (0.097 R)
• M21: 50,179,913 km (0.052 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 398 - 16,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit