🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.8

Radius: 9

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.63 AU - 0.85 AU

Year: 418 Days

Day: 6.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,993,696 km

• M1: 116,836 km (0.077 R)
• M2: 424,260 km (0.073 R)
• M3: 731,534 km (0.104 R)
• M4: 1,080,246 km (0.064 R)
• M5: 1,492,987 km (0.116 R)
• M6: 1,904,979 km (0.09 R)
• M7: 2,532,991 km (0.113 R)
• M8: 3,713,318 km (0.119 R)
• M9: 4,334,299 km (0.096 R)
• M10: 4,961,563 km (0.085 R)
• M11: 5,241,610 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.8

Radius: 10.8

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.65 AU - 1.83 AU

Year: 1506 Days

Day: 6.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,993,696 km

• M1: 135,835 km (0.095 R)
• M2: 505,491 km (0.094 R)
• M3: 955,482 km (0.106 R)
• M4: 1,319,154 km (0.095 R)
• M5: 1,718,880 km (0.119 R)
• M6: 2,165,728 km (0.058 R)
• M7: 2,742,578 km (0.063 R)
• M8: 4,258,004 km (0.089 R)
• M9: 5,187,157 km (0.037 R)
• M10: 6,316,920 km (0.12 R)
• M11: 8,209,632 km (0.118 R)
• M12: 11,169,127 km (0.056 R)
• M13: 12,848,961 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.3

Radius: 9.1

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.04 AU - 2.34 AU

Year: 2126 Days

Day: 5.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,993,696 km

• M1: 113,395 km (0.115 R)
• M2: 468,541 km (0.051 R)
• M3: 843,283 km (0.095 R)
• M4: 1,334,563 km (0.078 R)
• M5: 1,788,592 km (0.089 R)
• M6: 2,181,287 km (0.095 R)
• M7: 3,087,850 km (0.056 R)
• M8: 3,611,741 km (0.108 R)
• M9: 4,210,282 km (0.112 R)
• M10: 5,115,798 km (0.109 R)
• M11: 5,933,650 km (0.067 R)
• M12: 7,140,606 km (0.079 R)
• M13: 7,751,713 km (0.12 R)
• M14: 9,246,944 km (0.06 R)
• M15: 9,648,913 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805

Radius: 14

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.53 AU - 2.91 AU

Year: 2943 Days

Day: 5.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,993,696 km

• M1: 174,132 km (0.088 R)
• M2: 688,150 km (0.112 R)
• M3: 1,326,484 km (0.064 R)
• M4: 2,238,283 km (0.072 R)
• M5: 3,387,195 km (0.054 R)
• M6: 4,115,587 km (0.079 R)
• M7: 5,543,349 km (0.099 R)
• M8: 11,205,479 km (0.09 R)
• M9: 12,283,332 km (0.106 R)
• M10: 12,870,653 km (0.052 R)
• M11: 13,907,216 km (0.101 R)
• M12: 14,347,034 km (0.045 R)
• M13: 16,146,697 km (0.078 R)
• M14: 17,521,351 km (0.112 R)
• M15: 18,034,921 km (0.083 R)
• M16: 19,212,107 km (0.045 R)
• M17: 19,942,743 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.1

Radius: 10.1

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.4 AU - 3.64 AU

Year: 3443 Days

Day: 12.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,993,696 km

• M1: 125,662 km (0.115 R)
• M2: 548,875 km (0.101 R)
• M3: 1,072,018 km (0.088 R)
• M4: 1,598,304 km (0.096 R)
• M5: 1,935,198 km (0.04 R)
• M6: 3,245,077 km (0.113 R)
• M7: 3,629,843 km (0.119 R)
• M8: 4,309,017 km (0.094 R)
• M9: 5,020,804 km (0.066 R)
• M10: 5,672,003 km (0.093 R)
• M11: 6,526,955 km (0.109 R)
• M12: 8,243,890 km (0.119 R)
• M13: 9,377,692 km (0.103 R)
• M14: 9,882,884 km (0.098 R)
• M15: 10,863,349 km (0.078 R)
• M16: 11,290,600 km (0.073 R)
• M17: 12,686,498 km (0.093 R)
• M18: 13,794,270 km (0.07 R)
• M19: 16,423,004 km (0.119 R)
• M20: 20,125,102 km (0.076 R)
• M21: 22,927,370 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.6

Radius: 14.9

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.66 AU - 4.18 AU

Year: 4149 Days

Day: 6.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,993,696 km

• M1: 185,651 km (0.116 R)
• M2: 666,159 km (0.112 R)
• M3: 1,942,678 km (0.069 R)
• M4: 2,411,518 km (0.094 R)
• M5: 3,951,777 km (0.074 R)
• M6: 4,560,940 km (0.101 R)
• M7: 5,478,872 km (0.111 R)
• M8: 6,022,511 km (0.105 R)
• M9: 6,950,018 km (0.092 R)
• M10: 8,232,969 km (0.108 R)
• M11: 9,018,956 km (0.081 R)
• M12: 10,426,822 km (0.073 R)
• M13: 12,322,077 km (0.074 R)
• M14: 14,928,072 km (0.087 R)
• M15: 17,164,710 km (0.119 R)
• M16: 18,391,562 km (0.069 R)
• M17: 20,524,529 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.4

Radius: 9.9

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.49 AU - 5.37 AU

Year: 6117 Days

Day: 12.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,993,696 km

• M1: 138,976 km (0.111 R)
• M2: 590,762 km (0.077 R)
• M3: 990,039 km (0.115 R)
• M4: 1,310,477 km (0.075 R)
• M5: 1,624,932 km (0.06 R)
• M6: 2,324,751 km (0.101 R)
• M7: 4,058,590 km (0.081 R)
• M8: 4,719,514 km (0.114 R)
• M9: 6,774,988 km (0.102 R)
• M10: 7,243,230 km (0.099 R)
• M11: 8,687,747 km (0.106 R)
• M12: 10,936,053 km (0.034 R)
• M13: 11,327,252 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 799.9

Radius: 5.6

Gravity: 25.51 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.25 AU - 7.39 AU

Year: 11684 Days

Day: 20.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 55,993,696 km

• M1: 69,713 km (0.094 R)
• M2: 247,285 km (0.108 R)
• M3: 852,409 km (0.057 R)
• M4: 1,052,571 km (0.081 R)
• M5: 1,245,402 km (0.072 R)
• M6: 1,549,535 km (0.117 R)
• M7: 1,817,614 km (0.058 R)
• M8: 2,766,813 km (0.073 R)
• M9: 3,542,478 km (0.06 R)
• M10: 4,242,596 km (0.062 R)
• M11: 4,736,717 km (0.081 R)
• M12: 5,950,255 km (0.117 R)
• M13: 6,293,134 km (0.109 R)
• M14: 6,568,843 km (0.091 R)
• M15: 6,976,646 km (0.06 R)
• M16: 8,069,908 km (0.109 R)
• M17: 8,973,927 km (0.083 R)
• M18: 9,733,735 km (0.118 R)
• M19: 13,592,313 km (0.063 R)
• M20: 14,321,303 km (0.084 R)
• M21: 15,286,509 km (0.091 R)
• M22: 25,008,575 km (0.087 R)
• M23: 26,101,388 km (0.103 R)
• M24: 27,642,395 km (0.106 R)
• M25: 29,134,335 km (0.117 R)
• M26: 30,567,183 km (0.113 R)
• M27: 38,440,818 km (0.107 R)
• M28: 38,702,316 km (0.107 R)
• M29: 39,229,199 km (0.06 R)
• M30: 40,162,540 km (0.081 R)
• M31: 42,073,653 km (0.104 R)
• M32: 51,109,963 km (0.076 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 12,708 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit