🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.44 AU - 0.58 AU

Year: 235 Days

Day: 17 Hours

Environment

Temp: -127 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,635,384 km

• M1: 195,076 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.3

Radius: 11.3

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.88 AU - 0.96 AU

Year: 570 Days

Day: 11.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 47,635,384 km

• M1: 140,472 km (0.107 R)
• M2: 1,317,808 km (0.093 R)
• M3: 1,927,718 km (0.071 R)
• M4: 2,359,158 km (0.102 R)
• M5: 2,916,261 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.5

Radius: 12

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1 AU - 1.14 AU

Year: 715 Days

Day: 14 Hours

Environment

Temp: -156 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 47,635,384 km

• M1: 149,299 km (0.092 R)
• M2: 531,671 km (0.119 R)
• M3: 960,568 km (0.093 R)
• M4: 1,613,862 km (0.106 R)
• M5: 2,214,796 km (0.101 R)
• M6: 3,088,747 km (0.105 R)
• M7: 3,533,950 km (0.093 R)
• M8: 3,909,740 km (0.108 R)
• M9: 4,478,063 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187

Radius: 10.9

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.97 AU - 1.39 AU

Year: 828 Days

Day: 7.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,635,384 km

• M1: 135,536 km (0.069 R)
• M2: 504,893 km (0.115 R)
• M3: 1,023,997 km (0.075 R)
• M4: 1,464,563 km (0.083 R)
• M5: 2,022,713 km (0.078 R)
• M6: 2,668,377 km (0.106 R)
• M7: 3,067,504 km (0.043 R)
• M8: 3,506,724 km (0.108 R)
• M9: 3,869,798 km (0.104 R)
• M10: 4,327,717 km (0.094 R)
• M11: 4,927,754 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.2

Radius: 9.1

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.57 AU - 1.97 AU

Year: 1520 Days

Day: 14.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,635,384 km

• M1: 113,246 km (0.103 R)
• M2: 410,048 km (0.084 R)
• M3: 780,452 km (0.108 R)
• M4: 1,089,372 km (0.052 R)
• M5: 1,651,860 km (0.102 R)
• M6: 2,422,887 km (0.114 R)
• M7: 2,732,555 km (0.084 R)
• M8: 4,304,529 km (0.101 R)
• M9: 4,823,634 km (0.12 R)
• M10: 5,120,137 km (0.055 R)
• M11: 5,610,967 km (0.099 R)
• M12: 6,181,683 km (0.085 R)
• M13: 7,579,227 km (0.072 R)
• M14: 8,098,481 km (0.086 R)
• M15: 10,451,655 km (0.075 R)
• M16: 12,226,634 km (0.099 R)
• M17: 12,580,583 km (0.115 R)
• M18: 14,323,697 km (0.081 R)
• M19: 15,028,303 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.3

Radius: 9.9

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.44 AU - 3.4 AU

Year: 3222 Days

Day: 7.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,635,384 km

• M1: 123,119 km (0.086 R)
• M2: 758,611 km (0.12 R)
• M3: 1,391,260 km (0.097 R)
• M4: 1,866,682 km (0.096 R)
• M5: 2,232,748 km (0.099 R)
• M6: 2,584,453 km (0.088 R)
• M7: 3,476,206 km (0.116 R)
• M8: 3,931,133 km (0.072 R)
• M9: 4,292,561 km (0.091 R)
• M10: 4,840,688 km (0.069 R)
• M11: 8,138,723 km (0.099 R)
• M12: 8,587,217 km (0.075 R)
• M13: 9,799,857 km (0.098 R)
• M14: 10,307,742 km (0.108 R)
• M15: 13,635,547 km (0.081 R)
• M16: 14,819,913 km (0.026 R)
• M17: 15,229,662 km (0.109 R)
• M18: 16,833,500 km (0.083 R)
• M19: 17,223,352 km (0.105 R)
• M20: 17,905,818 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.5

Radius: 8.6

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.44 AU - 3.74 AU

Year: 3507 Days

Day: 7.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,635,384 km

• M1: 107,411 km (0.037 R)
• M2: 435,629 km (0.072 R)
• M3: 737,368 km (0.09 R)
• M4: 1,376,749 km (0.102 R)
• M5: 2,830,990 km (0.12 R)
• M6: 3,521,384 km (0.103 R)
• M7: 3,932,030 km (0.087 R)
• M8: 4,392,642 km (0.104 R)
• M9: 5,171,299 km (0.089 R)
• M10: 5,659,138 km (0.036 R)
• M11: 6,016,228 km (0.11 R)
• M12: 6,459,786 km (0.112 R)
• M13: 8,629,254 km (0.102 R)
• M14: 12,026,322 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.5

Radius: 14.2

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.64 AU - 3.76 AU

Year: 3696 Days

Day: 13.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 47,635,384 km

• M1: 177,124 km (0.103 R)
• M2: 653,593 km (0.053 R)
• M3: 1,219,971 km (0.105 R)
• M4: 1,708,707 km (0.056 R)
• M5: 2,450,413 km (0.068 R)
• M6: 2,906,088 km (0.095 R)
• M7: 3,970,776 km (0.084 R)
• M8: 4,922,967 km (0.082 R)
• M9: 5,796,020 km (0.082 R)
• M10: 6,314,526 km (0.092 R)
• M11: 7,086,002 km (0.042 R)
• M12: 8,058,987 km (0.068 R)
• M13: 8,523,189 km (0.103 R)
• M14: 10,065,244 km (0.101 R)
• M15: 10,774,338 km (0.041 R)
• M16: 11,294,639 km (0.106 R)
• M17: 12,765,037 km (0.112 R)
• M18: 13,797,262 km (0.04 R)
• M19: 16,592,498 km (0.082 R)
• M20: 19,554,087 km (0.099 R)
• M21: 20,461,249 km (0.116 R)
• M22: 21,600,287 km (0.052 R)
• M23: 22,081,543 km (0.101 R)
• M24: 24,372,934 km (0.038 R)
• M25: 25,576,299 km (0.12 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.9

Radius: 8.5

Gravity: 12.44 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.21 AU - 6.07 AU

Year: 8648 Days

Day: 11.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 47,635,384 km

• M1: 106,065 km (0.096 R)
• M2: 714,629 km (0.114 R)
• M3: 1,094,159 km (0.118 R)
• M4: 1,860,848 km (0.09 R)
• M5: 2,268,203 km (0.12 R)
• M6: 2,839,218 km (0.088 R)
• M7: 3,357,575 km (0.105 R)
• M8: 3,627,150 km (0.12 R)
• M9: 4,884,520 km (0.053 R)
• M10: 5,561,750 km (0.076 R)
• M11: 5,975,837 km (0.096 R)
• M12: 7,631,586 km (0.113 R)
• M13: 8,769,577 km (0.065 R)
• M14: 9,283,745 km (0.117 R)
• M15: 9,817,809 km (0.114 R)
• M16: 10,372,069 km (0.114 R)
• M17: 11,933,871 km (0.074 R)
• M18: 14,209,703 km (0.112 R)
• M19: 14,723,273 km (0.058 R)
• M20: 15,449,720 km (0.084 R)
• M21: 20,561,031 km (0.115 R)
• M22: 21,052,609 km (0.108 R)
• M23: 21,720,115 km (0.105 R)
• M24: 25,271,419 km (0.083 R)
• M25: 26,216,279 km (0.107 R)
• M26: 27,479,483 km (0.105 R)
• M27: 28,986,831 km (0.032 R)
• M28: 34,409,455 km (0.092 R)
• M29: 39,709,259 km (0.088 R)
• M30: 45,390,238 km (0.082 R)
• M31: 46,084,073 km (0.115 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 12,205 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit