🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.7

Radius: 9.6

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.75 AU - 1.01 AU

Year: 570 Days

Day: 8 Hours

Environment

Temp: -167 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 39,255,617 km

• M1: 119,379 km (0.118 R)
• M2: 547,079 km (0.103 R)
• M3: 1,093,860 km (0.096 R)
• M4: 1,557,613 km (0.086 R)
• M5: 2,494,096 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.5

Radius: 14

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.94 AU - 1.12 AU

Year: 722 Days

Day: 8.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,255,617 km

• M1: 180,714 km (0.078 R)
• M2: 730,636 km (0.099 R)
• M3: 1,193,641 km (0.042 R)
• M4: 1,735,335 km (0.115 R)
• M5: 2,248,157 km (0.1 R)
• M6: 2,981,336 km (0.09 R)
• M7: 4,642,920 km (0.114 R)
• M8: 5,208,100 km (0.055 R)
• M9: 7,296,636 km (0.105 R)
• M10: 7,896,224 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821

Radius: 9.9

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.06 AU - 1.08 AU

Year: 764 Days

Day: 6.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,255,617 km

• M1: 123,119 km (0.071 R)
• M2: 463,155 km (0.085 R)
• M3: 802,742 km (0.117 R)
• M4: 1,933,852 km (0.103 R)
• M5: 2,471,806 km (0.113 R)
• M6: 2,917,009 km (0.106 R)
• M7: 3,802,927 km (0.056 R)
• M8: 6,017,425 km (0.092 R)
• M9: 7,074,334 km (0.085 R)
• M10: 7,877,375 km (0.111 R)
• M11: 8,925,308 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.9

Radius: 13.1

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.95 AU - 1.21 AU

Year: 775 Days

Day: 6.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,255,617 km

• M1: 163,062 km (0.11 R)
• M2: 631,153 km (0.093 R)
• M3: 1,124,378 km (0.106 R)
• M4: 1,550,582 km (0.069 R)
• M5: 2,288,997 km (0.026 R)
• M6: 3,171,924 km (0.095 R)
• M7: 3,833,595 km (0.104 R)
• M8: 4,303,033 km (0.079 R)
• M9: 5,007,041 km (0.115 R)
• M10: 5,453,890 km (0.054 R)
• M11: 7,855,085 km (0.113 R)
• M12: 8,775,261 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.3

Radius: 13.8

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.96 AU - 1.58 AU

Year: 988 Days

Day: 13.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,255,617 km

• M1: 171,738 km (0.051 R)
• M2: 661,671 km (0.087 R)
• M3: 1,156,840 km (0.082 R)
• M4: 1,722,619 km (0.084 R)
• M5: 2,358,410 km (0.092 R)
• M6: 3,000,784 km (0.034 R)
• M7: 3,456,758 km (0.065 R)
• M8: 3,915,425 km (0.069 R)
• M9: 5,077,801 km (0.074 R)
• M10: 5,902,085 km (0.106 R)
• M11: 6,707,969 km (0.056 R)
• M12: 7,204,035 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.4

Radius: 10.5

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.57 AU - 1.79 AU

Year: 1503 Days

Day: 11.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,255,617 km

• M1: 130,599 km (0.081 R)
• M2: 570,716 km (0.115 R)
• M3: 906,413 km (0.097 R)
• M4: 1,316,312 km (0.093 R)
• M5: 2,413,014 km (0.107 R)
• M6: 3,218,449 km (0.062 R)
• M7: 3,619,520 km (0.108 R)
• M8: 4,356,290 km (0.077 R)
• M9: 5,210,793 km (0.119 R)
• M10: 5,699,978 km (0.082 R)
• M11: 6,104,042 km (0.099 R)
• M12: 7,432,621 km (0.105 R)
• M13: 7,779,388 km (0.103 R)
• M14: 8,650,347 km (0.118 R)
• M15: 9,276,414 km (0.098 R)
• M16: 9,741,963 km (0.098 R)
• M17: 12,197,014 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.3

Radius: 8.3

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.76 AU - 4.12 AU

Year: 5398 Days

Day: 8 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 39,255,617 km

• M1: 103,372 km (0.084 R)
• M2: 375,042 km (0.093 R)
• M3: 657,632 km (0.087 R)
• M4: 995,723 km (0.065 R)
• M5: 1,385,725 km (0.077 R)
• M6: 1,761,515 km (0.113 R)
• M7: 2,669,724 km (0.102 R)
• M8: 2,961,589 km (0.103 R)
• M9: 3,692,375 km (0.098 R)
• M10: 4,212,526 km (0.091 R)
• M11: 4,780,699 km (0.117 R)
• M12: 5,507,146 km (0.084 R)
• M13: 7,178,005 km (0.096 R)
• M14: 7,746,028 km (0.083 R)
• M15: 8,129,298 km (0.054 R)
• M16: 9,085,527 km (0.089 R)
• M17: 9,750,191 km (0.036 R)
• M18: 11,219,990 km (0.119 R)
• M19: 11,847,403 km (0.054 R)
• M20: 12,498,005 km (0.115 R)
• M21: 14,280,314 km (0.098 R)
• M22: 14,963,677 km (0.119 R)
• M23: 15,945,637 km (0.086 R)
• M24: 16,225,834 km (0.114 R)
• M25: 16,911,740 km (0.04 R)
• M26: 18,097,902 km (0.082 R)
• M27: 18,773,336 km (0.091 R)
• M28: 19,211,957 km (0.091 R)
• M29: 21,236,615 km (0.064 R)
• M30: 21,576,052 km (0.045 R)
• M31: 23,980,838 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.8

Radius: 11.5

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.49 AU - 4.79 AU

Year: 5814 Days

Day: 7.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,255,617 km

• M1: 168,746 km (0.097 R)
• M2: 894,146 km (0.079 R)
• M3: 3,438,956 km (0.079 R)
• M4: 5,244,602 km (0.084 R)
• M5: 5,787,194 km (0.11 R)
• M6: 7,923,900 km (0.109 R)
• M7: 10,051,182 km (0.112 R)
• M8: 10,695,649 km (0.117 R)
• M9: 13,192,139 km (0.108 R)
• M10: 18,736,834 km (0.098 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.3

Radius: 11.6

Gravity: 7.03 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.91 AU - 4.83 AU

Year: 6306 Days

Day: 7.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,255,617 km

• M1: 144,212 km (0.118 R)
• M2: 839,693 km (0.104 R)
• M3: 1,378,395 km (0.104 R)
• M4: 1,792,631 km (0.06 R)
• M5: 2,482,128 km (0.076 R)
• M6: 3,804,124 km (0.036 R)
• M7: 4,309,466 km (0.11 R)
• M8: 5,271,679 km (0.045 R)
• M9: 8,014,706 km (0.116 R)
• M10: 8,677,125 km (0.09 R)
• M11: 9,692,895 km (0.093 R)
• M12: 10,493,543 km (0.118 R)
• M13: 11,135,018 km (0.113 R)
• M14: 12,936,925 km (0.075 R)
• M15: 13,907,366 km (0.089 R)
• M16: 16,186,639 km (0.105 R)
• M17: 17,178,024 km (0.078 R)
• M18: 22,669,613 km (0.067 R)
• M19: 23,160,593 km (0.071 R)
• M20: 24,589,851 km (0.081 R)
• M21: 25,195,273 km (0.033 R)
• M22: 27,346,491 km (0.066 R)
• M23: 29,038,293 km (0.111 R)
• M24: 31,300,213 km (0.101 R)
• M25: 33,150,739 km (0.109 R)
• M26: 33,783,388 km (0.119 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 18,674 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit