🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.6

Radius: 8.4

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.62 AU - 0.74 AU

Year: 368 Days

Day: 12.9 Hours

Environment

Temp: -127 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,435,028 km

• M1: 104,569 km (0.066 R)
• M2: 426,653 km (0.091 R)
• M3: 718,967 km (0.076 R)
• M4: 1,224,010 km (0.107 R)
• M5: 1,569,730 km (0.111 R)
• M6: 1,838,109 km (0.057 R)
• M7: 2,153,910 km (0.052 R)
• M8: 3,110,738 km (0.108 R)
• M9: 3,749,820 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.2

Radius: 12.6

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.63 AU - 0.91 AU

Year: 443 Days

Day: 12.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,435,028 km

• M1: 157,227 km (0.118 R)
• M2: 645,964 km (0.097 R)
• M3: 1,043,744 km (0.118 R)
• M4: 1,579,006 km (0.051 R)
• M5: 2,076,568 km (0.051 R)
• M6: 2,598,515 km (0.12 R)
• M7: 3,093,983 km (0.103 R)
• M8: 3,805,321 km (0.072 R)
• M9: 4,956,925 km (0.106 R)
• M10: 5,372,209 km (0.111 R)
• M11: 6,128,576 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.6

Radius: 10.5

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.3 AU - 1.9 AU

Year: 1328 Days

Day: 9.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,435,028 km

• M1: 131,796 km (0.077 R)
• M2: 506,987 km (0.103 R)
• M3: 1,285,195 km (0.034 R)
• M4: 2,159,146 km (0.075 R)
• M5: 2,939,897 km (0.107 R)
• M6: 3,270,359 km (0.113 R)
• M7: 4,865,970 km (0.057 R)
• M8: 5,949,807 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.8

Radius: 13.3

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.44 AU - 5.52 AU

Year: 6221 Days

Day: 10.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,435,028 km

• M1: 165,904 km (0.071 R)
• M2: 812,915 km (0.102 R)
• M3: 1,385,426 km (0.091 R)
• M4: 2,827,101 km (0.035 R)
• M5: 4,283,286 km (0.037 R)
• M6: 4,828,122 km (0.119 R)
• M7: 5,248,940 km (0.101 R)
• M8: 6,005,307 km (0.072 R)
• M9: 7,395,969 km (0.118 R)
• M10: 7,957,560 km (0.051 R)
• M11: 8,581,083 km (0.059 R)
• M12: 9,026,287 km (0.053 R)
• M13: 9,852,067 km (0.095 R)
• M14: 10,649,274 km (0.068 R)
• M15: 12,158,567 km (0.102 R)
• M16: 13,667,112 km (0.028 R)
• M17: 16,314,695 km (0.106 R)
• M18: 17,430,994 km (0.112 R)
• M19: 18,371,666 km (0.034 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851.5

Radius: 4.6

Gravity: 40.24 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.31 AU - 11.93 AU

Year: 19574 Days

Day: 23.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 82,435,028 km

• M1: 57,296 km (0.059 R)
• M2: 234,270 km (0.07 R)
• M3: 481,705 km (0.034 R)
• M4: 636,539 km (0.069 R)
• M5: 3,059,875 km (0.076 R)
• M6: 3,662,605 km (0.084 R)
• M7: 3,817,139 km (0.062 R)
• M8: 5,061,644 km (0.108 R)
• M9: 5,652,107 km (0.054 R)
• M10: 7,400,756 km (0.114 R)
• M11: 8,748,633 km (0.028 R)
• M12: 10,070,480 km (0.065 R)
• M13: 10,747,261 km (0.081 R)
• M14: 11,785,320 km (0.074 R)
• M15: 12,746,935 km (0.078 R)
• M16: 16,692,579 km (0.085 R)
• M17: 18,986,214 km (0.026 R)
• M18: 19,543,765 km (0.119 R)
• M19: 20,985,440 km (0.068 R)
• M20: 26,877,950 km (0.086 R)
• M21: 30,767,644 km (0.1 R)
• M22: 33,245,883 km (0.1 R)
• M23: 33,784,136 km (0.084 R)
• M24: 36,277,932 km (0.048 R)
• M25: 37,860,977 km (0.071 R)
• M26: 40,549,550 km (0.089 R)
• M27: 43,843,845 km (0.102 R)
• M28: 45,308,707 km (0.088 R)
• M29: 46,136,432 km (0.096 R)
• M30: 47,143,076 km (0.075 R)
• M31: 49,373,880 km (0.12 R)
• M32: 52,034,328 km (0.104 R)
• M33: 58,026,172 km (0.099 R)
• M34: 59,592,761 km (0.107 R)
• M35: 61,792,597 km (0.094 R)
• M36: 64,669,963 km (0.107 R)
• M37: 68,498,920 km (0.097 R)
• M38: 74,751,064 km (0.073 R)
• M39: 75,906,109 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615

Radius: 5

Gravity: 24.6 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 10.65 AU - 11.27 AU

Year: 23803 Days

Day: 23.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 82,435,028 km

• M1: 73,153 km (0.052 R)
• M2: 313,258 km (0.076 R)
• M3: 496,067 km (0.085 R)
• M4: 1,683,574 km (0.101 R)
• M5: 2,612,428 km (0.099 R)
• M6: 3,328,403 km (0.069 R)
• M7: 3,503,881 km (0.103 R)
• M8: 3,716,460 km (0.072 R)
• M9: 4,002,192 km (0.054 R)
• M10: 5,949,657 km (0.111 R)
• M11: 6,341,005 km (0.057 R)
• M12: 6,520,373 km (0.088 R)
• M13: 6,795,932 km (0.113 R)
• M14: 8,890,302 km (0.036 R)
• M15: 10,113,714 km (0.119 R)
• M16: 12,118,475 km (0.108 R)
• M17: 12,817,994 km (0.06 R)
• M18: 14,068,184 km (0.109 R)
• M19: 16,300,932 km (0.059 R)
• M20: 19,884,549 km (0.077 R)
• M21: 20,659,316 km (0.086 R)
• M22: 21,960,818 km (0.087 R)
• M23: 22,788,393 km (0.09 R)
• M24: 33,441,706 km (0.086 R)
• M25: 33,985,794 km (0.071 R)
• M26: 34,536,015 km (0.05 R)
• M27: 35,231,944 km (0.057 R)
• M28: 35,653,960 km (0.066 R)
• M29: 36,364,849 km (0.117 R)
• M30: 37,230,272 km (0.093 R)
• M31: 40,675,212 km (0.112 R)
• M32: 42,237,014 km (0.116 R)
• M33: 43,676,594 km (0.044 R)
• M34: 45,313,943 km (0.072 R)
• M35: 45,646,349 km (0.081 R)
• M36: 46,315,800 km (0.117 R)
• M37: 53,006,116 km (0.098 R)
• M38: 57,352,981 km (0.094 R)
• M39: 69,356,864 km (0.074 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 16,489 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit