🌌 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: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.7

Radius: 9.8

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.52 AU - 0.6 AU

Year: 295 Days

Day: 14.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,688,044 km

• M1: 121,922 km (0.104 R)
• M2: 431,739 km (0.061 R)
• M3: 804,986 km (0.076 R)
• M4: 1,131,259 km (0.116 R)
• M5: 1,502,860 km (0.078 R)
• M6: 2,081,206 km (0.044 R)
• M7: 2,881,405 km (0.063 R)
• M8: 3,448,231 km (0.076 R)
• M9: 4,203,700 km (0.077 R)
• M10: 4,551,964 km (0.076 R)
• M11: 4,919,376 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.3

Radius: 9.7

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.79 AU - 1.31 AU

Year: 756 Days

Day: 13.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,688,044 km

• M1: 120,725 km (0.108 R)
• M2: 499,358 km (0.067 R)
• M3: 954,135 km (0.108 R)
• M4: 1,606,382 km (0.118 R)
• M5: 2,171,413 km (0.109 R)
• M6: 2,553,785 km (0.066 R)
• M7: 3,199,599 km (0.074 R)
• M8: 4,008,625 km (0.067 R)
• M9: 4,798,501 km (0.079 R)
• M10: 5,451,945 km (0.109 R)
• M11: 5,856,607 km (0.078 R)
• M12: 6,788,901 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.5

Radius: 11.6

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.85 AU - 1.31 AU

Year: 789 Days

Day: 11.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,688,044 km

• M1: 144,362 km (0.052 R)
• M2: 681,418 km (0.073 R)
• M3: 1,082,341 km (0.046 R)
• M4: 2,096,764 km (0.098 R)
• M5: 2,537,629 km (0.076 R)
• M6: 3,146,342 km (0.025 R)
• M7: 3,933,227 km (0.08 R)
• M8: 4,767,086 km (0.069 R)
• M9: 5,933,650 km (0.091 R)
• M10: 6,505,114 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222

Radius: 10.3

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.56 AU - 3.74 AU

Year: 4902 Days

Day: 10.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,688,044 km

• M1: 128,205 km (0.098 R)
• M2: 613,950 km (0.082 R)
• M3: 985,252 km (0.105 R)
• M4: 1,400,834 km (0.093 R)
• M5: 1,837,211 km (0.089 R)
• M6: 2,173,208 km (0.098 R)
• M7: 2,640,253 km (0.095 R)
• M8: 3,530,659 km (0.09 R)
• M9: 5,975,837 km (0.037 R)
• M10: 6,439,440 km (0.109 R)
• M11: 7,943,647 km (0.106 R)
• M12: 8,640,773 km (0.075 R)
• M13: 9,306,035 km (0.088 R)
• M14: 11,179,748 km (0.1 R)
• M15: 14,227,057 km (0.068 R)
• M16: 15,055,380 km (0.088 R)
• M17: 18,463,519 km (0.066 R)
• M18: 19,804,664 km (0.108 R)
• M19: 20,164,895 km (0.065 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 828.3

Radius: 7.9

Gravity: 13.27 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 6.18 AU - 9.26 AU

Year: 15078 Days

Day: 20.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 46,688,044 km

• M1: 99,483 km (0.032 R)
• M2: 433,535 km (0.092 R)
• M3: 1,108,670 km (0.109 R)
• M4: 1,802,056 km (0.091 R)
• M5: 2,076,418 km (0.061 R)
• M6: 4,325,323 km (0.093 R)
• M7: 5,466,306 km (0.088 R)
• M8: 7,148,684 km (0.117 R)
• M9: 7,794,797 km (0.074 R)
• M10: 9,417,336 km (0.075 R)
• M11: 11,747,322 km (0.12 R)
• M12: 14,150,463 km (0.116 R)
• M13: 15,467,073 km (0.051 R)
• M14: 17,104,123 km (0.104 R)
• M15: 22,703,721 km (0.073 R)
• M16: 23,893,323 km (0.119 R)
• M17: 27,822,212 km (0.1 R)
• M18: 35,994,893 km (0.06 R)
• M19: 36,394,320 km (0.094 R)
• M20: 45,169,431 km (0.103 R)
• M21: 50,125,609 km (0.118 R)
• M22: 51,125,072 km (0.094 R)
• M23: 55,609,717 km (0.048 R)
• M24: 57,765,273 km (0.082 R)
• M25: 60,162,728 km (0.076 R)
• M26: 61,102,054 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 815.5

Radius: 5.6

Gravity: 26 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.62 AU - 9.84 AU

Year: 16596 Days

Day: 22.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 46,688,044 km

• M1: 69,713 km (0.087 R)
• M2: 350,209 km (0.072 R)
• M3: 946,506 km (0.06 R)
• M4: 1,208,152 km (0.074 R)
• M5: 1,769,144 km (0.089 R)
• M6: 2,335,821 km (0.1 R)
• M7: 2,511,748 km (0.11 R)
• M8: 2,720,437 km (0.087 R)
• M9: 3,615,033 km (0.092 R)
• M10: 3,881,616 km (0.064 R)
• M11: 4,656,982 km (0.072 R)
• M12: 5,885,180 km (0.048 R)
• M13: 6,423,583 km (0.095 R)
• M14: 6,639,303 km (0.083 R)
• M15: 7,084,955 km (0.098 R)
• M16: 8,490,726 km (0.104 R)
• M17: 9,506,645 km (0.052 R)
• M18: 9,843,689 km (0.108 R)
• M19: 10,364,140 km (0.035 R)
• M20: 12,969,238 km (0.052 R)
• M21: 13,878,643 km (0.101 R)
• M22: 14,904,735 km (0.064 R)
• M23: 19,337,769 km (0.119 R)
• M24: 19,606,895 km (0.105 R)
• M25: 19,969,820 km (0.09 R)
• M26: 28,317,531 km (0.107 R)
• M27: 28,897,970 km (0.06 R)
• M28: 36,905,645 km (0.077 R)
• M29: 42,689,099 km (0.059 R)
• M30: 43,759,621 km (0.092 R)
• M31: 47,565,840 km (0.083 R)
• M32: 56,924,683 km (0.095 R)
• M33: 66,211,270 km (0.076 R)
• M34: 68,472,890 km (0.113 R)
• M35: 69,517,682 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.9

Radius: 7.5

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.65 AU - 10.97 AU

Year: 23270 Days

Day: 23.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,688,044 km

• M1: 100,231 km (0.109 R)
• M2: 378,782 km (0.07 R)
• M3: 616,942 km (0.093 R)
• M4: 1,494,782 km (0.074 R)
• M5: 2,267,156 km (0.092 R)
• M6: 2,609,884 km (0.115 R)
• M7: 4,930,895 km (0.09 R)
• M8: 5,441,922 km (0.099 R)
• M9: 7,553,196 km (0.096 R)
• M10: 8,232,371 km (0.097 R)
• M11: 8,767,782 km (0.088 R)
• M12: 9,231,535 km (0.11 R)
• M13: 9,517,566 km (0.048 R)
• M14: 12,365,162 km (0.089 R)
• M15: 15,735,302 km (0.084 R)
• M16: 16,911,441 km (0.116 R)
• M17: 18,898,101 km (0.1 R)
• M18: 35,904,835 km (0.053 R)
• M19: 37,935,926 km (0.086 R)
• M20: 40,042,413 km (0.117 R)
• M21: 41,446,240 km (0.09 R)
• M22: 45,854,291 km (0.031 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 19,315 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit