🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.2

Radius: 8.9

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.6 AU - 0.94 AU

Year: 451 Days

Day: 13.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,567,210 km

• M1: 110,702 km (0.092 R)
• M2: 494,571 km (0.045 R)
• M3: 895,194 km (0.091 R)
• M4: 1,286,841 km (0.111 R)
• M5: 1,588,729 km (0.1 R)
• M6: 2,102,299 km (0.115 R)
• M7: 2,506,812 km (0.116 R)
• M8: 2,856,721 km (0.103 R)
• M9: 3,273,351 km (0.063 R)
• M10: 3,667,841 km (0.085 R)
• M11: 4,229,132 km (0.029 R)
• M12: 5,106,972 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.7

Radius: 14.9

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.25 AU - 2.61 AU

Year: 2526 Days

Day: 14.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,567,210 km

• M1: 185,352 km (0.093 R)
• M2: 841,638 km (0.07 R)
• M3: 1,309,729 km (0.082 R)
• M4: 2,004,462 km (0.093 R)
• M5: 2,680,644 km (0.103 R)
• M6: 3,574,192 km (0.069 R)
• M7: 4,300,640 km (0.104 R)
• M8: 5,058,951 km (0.117 R)
• M9: 5,785,548 km (0.073 R)
• M10: 6,299,566 km (0.068 R)
• M11: 6,764,367 km (0.118 R)
• M12: 8,700,911 km (0.049 R)
• M13: 9,477,624 km (0.082 R)
• M14: 10,406,177 km (0.117 R)
• M15: 12,127,151 km (0.115 R)
• M16: 13,431,794 km (0.111 R)
• M17: 15,748,766 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.1

Radius: 11.5

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.89 AU - 3.63 AU

Year: 3925 Days

Day: 5.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,567,210 km

• M1: 143,165 km (0.111 R)
• M2: 518,955 km (0.086 R)
• M3: 1,057,807 km (0.099 R)
• M4: 1,740,272 km (0.062 R)
• M5: 2,169,768 km (0.11 R)
• M6: 2,799,425 km (0.08 R)
• M7: 3,669,785 km (0.044 R)
• M8: 4,130,098 km (0.107 R)
• M9: 4,566,924 km (0.103 R)
• M10: 6,293,433 km (0.072 R)
• M11: 7,518,490 km (0.081 R)
• M12: 8,419,368 km (0.119 R)
• M13: 9,290,477 km (0.081 R)
• M14: 10,911,669 km (0.066 R)
• M15: 11,711,419 km (0.112 R)
• M16: 13,859,794 km (0.093 R)
• M17: 14,752,295 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.8

Radius: 12.4

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.77 AU - 4.81 AU

Year: 6991 Days

Day: 9.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,567,210 km

• M1: 154,235 km (0.05 R)
• M2: 597,195 km (0.116 R)
• M3: 1,146,967 km (0.08 R)
• M4: 2,199,388 km (0.094 R)
• M5: 3,150,681 km (0.103 R)
• M6: 3,743,986 km (0.084 R)
• M7: 4,410,893 km (0.109 R)
• M8: 5,040,102 km (0.098 R)
• M9: 6,243,916 km (0.097 R)
• M10: 8,376,434 km (0.113 R)
• M11: 11,300,174 km (0.058 R)
• M12: 12,009,268 km (0.056 R)
• M13: 13,128,410 km (0.03 R)
• M14: 13,855,156 km (0.097 R)
• M15: 19,500,382 km (0.029 R)
• M16: 20,893,886 km (0.081 R)
• M17: 21,500,206 km (0.038 R)
• M18: 21,962,463 km (0.099 R)
• M19: 22,827,438 km (0.088 R)
• M20: 23,960,941 km (0.064 R)
• M21: 27,047,594 km (0.104 R)
• M22: 27,496,238 km (0.085 R)
• M23: 28,408,636 km (0.117 R)
• M24: 30,680,579 km (0.06 R)
• M25: 31,267,002 km (0.113 R)
• M26: 32,969,127 km (0.093 R)
• M27: 34,416,636 km (0.058 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 403.8

Radius: 7.1

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.51 AU - 9.85 AU

Year: 15601 Days

Day: 24.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,567,210 km

• M1: 88,412 km (0.086 R)
• M2: 476,320 km (0.107 R)
• M3: 1,138,889 km (0.103 R)
• M4: 1,807,591 km (0.102 R)
• M5: 2,402,392 km (0.12 R)
• M6: 3,621,016 km (0.088 R)
• M7: 4,812,564 km (0.047 R)
• M8: 6,477,289 km (0.1 R)
• M9: 8,540,243 km (0.085 R)
• M10: 11,117,216 km (0.084 R)
• M11: 11,457,701 km (0.089 R)
• M12: 12,889,801 km (0.102 R)
• M13: 21,085,221 km (0.065 R)
• M14: 26,397,741 km (0.1 R)
• M15: 28,139,808 km (0.05 R)
• M16: 42,806,533 km (0.109 R)
• M17: 50,733,275 km (0.102 R)
• M18: 52,301,211 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.1

Radius: 4.9

Gravity: 29.2 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 7.56 AU - 9.2 AU

Year: 16177 Days

Day: 18.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,567,210 km

• M1: 61,036 km (0.072 R)
• M2: 495,767 km (0.08 R)
• M3: 650,900 km (0.076 R)
• M4: 2,606,294 km (0.114 R)
• M5: 2,887,987 km (0.08 R)
• M6: 3,739,199 km (0.031 R)
• M7: 4,097,785 km (0.041 R)
• M8: 7,098,868 km (0.097 R)
• M9: 8,883,122 km (0.115 R)
• M10: 15,380,456 km (0.095 R)
• M11: 25,615,344 km (0.09 R)
• M12: 26,792,979 km (0.073 R)
• M13: 30,069,770 km (0.119 R)
• M14: 30,423,270 km (0.099 R)
• M15: 33,226,136 km (0.108 R)
• M16: 43,104,831 km (0.079 R)
• M17: 45,074,736 km (0.094 R)
• M18: 57,986,827 km (0.095 R)
• M19: 58,534,505 km (0.114 R)
• M20: 60,011,635 km (0.103 R)
• M21: 62,082,967 km (0.051 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 14,301 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit