🌌 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 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.1

Radius: 11.9

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.49 AU - 0.53 AU

Year: 247 Days

Day: 14 Hours

Environment

Temp: -139 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,389,011 km

• M1: 148,102 km (0.107 R)
• M2: 550,969 km (0.118 R)
• M3: 924,365 km (0.095 R)
• M4: 1,308,981 km (0.036 R)
• M5: 2,029,445 km (0.056 R)
• M6: 2,590,586 km (0.097 R)
• M7: 3,381,211 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.2

Radius: 14.5

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.68 AU - 1 AU

Year: 522 Days

Day: 9 Hours

Environment

Temp: -166 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,389,011 km

• M1: 180,415 km (0.102 R)
• M2: 704,008 km (0.033 R)
• M3: 1,691,054 km (0.072 R)
• M4: 2,151,816 km (0.094 R)
• M5: 2,890,081 km (0.087 R)
• M6: 3,514,054 km (0.086 R)
• M7: 4,304,828 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.5

Radius: 8.5

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.88 AU - 1 AU

Year: 618 Days

Day: 13.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,389,011 km

• M1: 106,514 km (0.094 R)
• M2: 573,558 km (0.06 R)
• M3: 985,252 km (0.069 R)
• M4: 1,416,692 km (0.096 R)
• M5: 1,708,108 km (0.11 R)
• M6: 2,039,767 km (0.083 R)
• M7: 2,424,233 km (0.062 R)
• M8: 3,241,337 km (0.106 R)
• M9: 3,620,867 km (0.102 R)
• M10: 4,622,574 km (0.066 R)
• M11: 4,940,170 km (0.119 R)
• M12: 5,444,016 km (0.061 R)
• M13: 5,926,320 km (0.071 R)
• M14: 6,495,240 km (0.058 R)
• M15: 6,813,435 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.7

Radius: 11.7

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.91 AU - 1.01 AU

Year: 638 Days

Day: 14 Hours

Environment

Temp: -169 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,389,011 km

• M1: 145,559 km (0.115 R)
• M2: 592,707 km (0.113 R)
• M3: 1,016,368 km (0.11 R)
• M4: 1,394,402 km (0.049 R)
• M5: 1,932,804 km (0.061 R)
• M6: 2,488,112 km (0.078 R)
• M7: 3,324,214 km (0.076 R)
• M8: 4,029,718 km (0.06 R)
• M9: 4,499,306 km (0.113 R)
• M10: 5,198,676 km (0.103 R)
• M11: 6,260,820 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.5

Radius: 13.3

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.17 AU - 3.37 AU

Year: 4011 Days

Day: 10.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,389,011 km

• M1: 165,455 km (0.112 R)
• M2: 638,633 km (0.08 R)
• M3: 1,067,530 km (0.077 R)
• M4: 1,616,405 km (0.094 R)
• M5: 2,133,714 km (0.054 R)
• M6: 3,168,782 km (0.112 R)
• M7: 4,287,475 km (0.105 R)
• M8: 5,223,808 km (0.111 R)
• M9: 6,725,023 km (0.111 R)
• M10: 7,177,855 km (0.054 R)
• M11: 8,960,015 km (0.093 R)
• M12: 10,081,401 km (0.078 R)
• M13: 14,237,977 km (0.114 R)
• M14: 14,750,500 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973

Radius: 9.3

Gravity: 11.25 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.3 AU - 5.24 AU

Year: 5985 Days

Day: 12.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,389,011 km

• M1: 115,938 km (0.114 R)
• M2: 425,456 km (0.102 R)
• M3: 748,289 km (0.05 R)
• M4: 1,075,309 km (0.104 R)
• M5: 1,562,699 km (0.106 R)
• M6: 2,921,946 km (0.104 R)
• M7: 4,076,392 km (0.056 R)
• M8: 4,631,400 km (0.074 R)
• M9: 5,116,846 km (0.084 R)
• M10: 5,573,119 km (0.072 R)
• M11: 5,892,062 km (0.07 R)
• M12: 6,223,421 km (0.11 R)
• M13: 6,708,118 km (0.049 R)
• M14: 7,292,747 km (0.085 R)
• M15: 7,792,403 km (0.102 R)
• M16: 8,689,841 km (0.092 R)
• M17: 9,076,252 km (0.042 R)
• M18: 12,539,294 km (0.025 R)
• M19: 14,593,272 km (0.09 R)
• M20: 15,078,568 km (0.098 R)
• M21: 16,081,322 km (0.107 R)
• M22: 17,531,823 km (0.09 R)
• M23: 18,011,135 km (0.03 R)
• M24: 20,016,345 km (0.107 R)
• M25: 22,565,492 km (0.117 R)
• M26: 23,709,617 km (0.115 R)
• M27: 25,063,926 km (0.053 R)
• M28: 34,184,759 km (0.079 R)
• M29: 37,131,388 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.1

Radius: 9.5

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.4 AU - 4.8 AU

Year: 6692 Days

Day: 5.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,389,011 km

• M1: 118,182 km (0.09 R)
• M2: 647,460 km (0.085 R)
• M3: 1,146,967 km (0.032 R)
• M4: 1,975,589 km (0.105 R)
• M5: 2,476,892 km (0.078 R)
• M6: 3,241,337 km (0.068 R)
• M7: 4,818,248 km (0.06 R)
• M8: 5,462,267 km (0.105 R)
• M9: 6,194,100 km (0.043 R)
• M10: 7,448,777 km (0.11 R)
• M11: 12,273,458 km (0.026 R)
• M12: 14,017,470 km (0.112 R)
• M13: 18,718,583 km (0.119 R)
• M14: 19,812,443 km (0.116 R)
• M15: 23,194,402 km (0.114 R)
• M16: 24,215,856 km (0.108 R)
• M17: 29,868,561 km (0.053 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.5

Radius: 8

Gravity: 14.63 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.86 AU - 5.4 AU

Year: 7881 Days

Day: 5.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 45,389,011 km

• M1: 99,483 km (0.096 R)
• M2: 354,846 km (0.03 R)
• M3: 923,318 km (0.056 R)
• M4: 1,334,563 km (0.118 R)
• M5: 1,583,493 km (0.046 R)
• M6: 2,142,840 km (0.061 R)
• M7: 2,526,259 km (0.107 R)
• M8: 3,853,192 km (0.089 R)
• M9: 4,953,185 km (0.078 R)
• M10: 5,266,294 km (0.085 R)
• M11: 5,863,189 km (0.117 R)
• M12: 6,842,008 km (0.04 R)
• M13: 7,310,549 km (0.028 R)
• M14: 8,936,079 km (0.087 R)
• M15: 9,401,029 km (0.119 R)
• M16: 11,316,481 km (0.052 R)
• M17: 11,971,869 km (0.099 R)
• M18: 13,060,941 km (0.098 R)
• M19: 13,478,319 km (0.119 R)
• M20: 14,152,258 km (0.049 R)
• M21: 15,567,304 km (0.082 R)
• M22: 18,675,948 km (0.057 R)
• M23: 20,937,120 km (0.068 R)
• M24: 23,027,899 km (0.098 R)
• M25: 23,637,361 km (0.052 R)
• M26: 24,346,904 km (0.079 R)
• M27: 25,253,916 km (0.103 R)
• M28: 25,808,774 km (0.054 R)
• M29: 30,648,415 km (0.096 R)
• M30: 31,919,698 km (0.096 R)
• M31: 35,481,025 km (0.104 R)
• M32: 35,944,030 km (0.064 R)
• M33: 38,077,595 km (0.048 R)
• M34: 38,441,118 km (0.063 R)
• M35: 43,249,642 km (0.111 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: 357 - 15,221 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit