🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.2

Radius: 13.2

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.5 AU - 0.62 AU

Year: 279 Days

Day: 12.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,257,116 km

• M1: 164,109 km (0.095 R)
• M2: 607,367 km (0.111 R)
• M3: 1,086,829 km (0.091 R)
• M4: 1,621,192 km (0.116 R)
• M5: 2,358,560 km (0.073 R)
• M6: 2,917,158 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.7

Radius: 12.3

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.13 AU - 1.45 AU

Year: 977 Days

Day: 11.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,257,116 km

• M1: 153,039 km (0.119 R)
• M2: 554,111 km (0.089 R)
• M3: 997,668 km (0.09 R)
• M4: 2,219,883 km (0.066 R)
• M5: 2,774,592 km (0.06 R)
• M6: 6,262,017 km (0.07 R)
• M7: 6,650,822 km (0.042 R)
• M8: 7,578,927 km (0.06 R)
• M9: 8,703,155 km (0.119 R)
• M10: 9,334,907 km (0.085 R)
• M11: 10,339,457 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666

Radius: 9.5

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.73 AU - 2.05 AU

Year: 1733 Days

Day: 14.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,257,116 km

• M1: 119,080 km (0.092 R)
• M2: 446,400 km (0.086 R)
• M3: 1,013,526 km (0.087 R)
• M4: 1,798,765 km (0.064 R)
• M5: 2,261,022 km (0.055 R)
• M6: 2,580,563 km (0.089 R)
• M7: 3,004,374 km (0.079 R)
• M8: 3,866,806 km (0.106 R)
• M9: 4,443,057 km (0.068 R)
• M10: 5,011,828 km (0.032 R)
• M11: 7,065,807 km (0.06 R)
• M12: 7,391,332 km (0.092 R)
• M13: 7,898,618 km (0.12 R)
• M14: 8,920,072 km (0.055 R)
• M15: 13,030,573 km (0.103 R)
• M16: 13,604,430 km (0.103 R)
• M17: 14,758,578 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 890.6

Radius: 4.5

Gravity: 43.98 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.75 AU - 9.15 AU

Year: 13560 Days

Day: 20.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 49,257,116 km

• M1: 75,248 km (0.092 R)
• M2: 338,390 km (0.053 R)
• M3: 615,745 km (0.083 R)
• M4: 1,021,005 km (0.108 R)
• M5: 1,446,611 km (0.109 R)
• M6: 1,767,648 km (0.111 R)
• M7: 2,357,214 km (0.114 R)
• M8: 2,685,581 km (0.046 R)
• M9: 2,848,792 km (0.082 R)
• M10: 3,093,684 km (0.118 R)
• M11: 3,542,178 km (0.093 R)
• M12: 4,341,480 km (0.061 R)
• M13: 4,766,487 km (0.051 R)
• M14: 7,005,967 km (0.116 R)
• M15: 7,728,974 km (0.086 R)
• M16: 8,802,788 km (0.061 R)
• M17: 9,375,299 km (0.113 R)
• M18: 11,003,223 km (0.099 R)
• M19: 18,216,234 km (0.073 R)
• M20: 18,972,900 km (0.049 R)
• M21: 23,957,501 km (0.081 R)
• M22: 24,357,974 km (0.087 R)
• M23: 29,748,733 km (0.095 R)
• M24: 31,989,560 km (0.077 R)
• M25: 35,363,590 km (0.119 R)
• M26: 38,555,410 km (0.092 R)
• M27: 39,660,639 km (0.083 R)
• M28: 41,501,292 km (0.079 R)
• M29: 41,789,417 km (0.107 R)
• M30: 44,142,891 km (0.083 R)
• M31: 45,964,843 km (0.055 R)
• M32: 46,118,929 km (0.04 R)
• M33: 48,630,827 km (0.026 R)
• M34: 54,268,572 km (0.061 R)
• M35: 55,830,673 km (0.062 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431.3

Radius: 5.3

Gravity: 15.35 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 8.28 AU - 10.46 AU

Year: 19127 Days

Day: 24.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 49,257,116 km

• M1: 73,752 km (0.069 R)
• M2: 279,299 km (0.079 R)
• M3: 564,283 km (0.065 R)
• M4: 897,138 km (0.12 R)
• M5: 1,077,853 km (0.106 R)
• M6: 1,310,627 km (0.095 R)
• M7: 1,656,497 km (0.101 R)
• M8: 3,875,034 km (0.06 R)
• M9: 5,563,545 km (0.073 R)
• M10: 7,235,750 km (0.072 R)
• M11: 7,597,178 km (0.101 R)
• M12: 7,970,575 km (0.104 R)
• M13: 8,210,081 km (0.063 R)
• M14: 9,112,306 km (0.091 R)
• M15: 11,052,739 km (0.102 R)
• M16: 13,053,461 km (0.102 R)
• M17: 14,919,246 km (0.102 R)
• M18: 15,283,367 km (0.102 R)
• M19: 16,488,079 km (0.056 R)
• M20: 17,272,570 km (0.092 R)
• M21: 17,917,636 km (0.116 R)
• M22: 18,662,634 km (0.12 R)
• M23: 26,425,117 km (0.088 R)
• M24: 27,497,884 km (0.118 R)
• M25: 29,161,113 km (0.117 R)
• M26: 29,387,903 km (0.117 R)
• M27: 29,615,741 km (0.1 R)
• M28: 30,539,059 km (0.099 R)
• M29: 32,443,141 km (0.12 R)
• M30: 34,932,599 km (0.104 R)
• M31: 46,319,390 km (0.084 R)
• M32: 51,259,710 km (0.059 R)
• M33: 56,364,139 km (0.06 R)
• M34: 63,302,788 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230.8

Radius: 3.2

Gravity: 22.54 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 8.97 AU - 9.93 AU

Year: 19372 Days

Day: 23.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 49,257,116 km

• M1: 39,943 km (0.05 R)
• M2: 280,945 km (0.116 R)
• M3: 540,348 km (0.081 R)
• M4: 645,664 km (0.072 R)
• M5: 981,960 km (0.087 R)
• M6: 2,039,767 km (0.045 R)
• M7: 2,496,788 km (0.056 R)
• M8: 2,749,310 km (0.026 R)
• M9: 3,135,721 km (0.071 R)
• M10: 6,245,711 km (0.101 R)
• M11: 6,436,448 km (0.105 R)
• M12: 7,032,147 km (0.095 R)
• M13: 7,238,592 km (0.067 R)
• M14: 8,516,457 km (0.11 R)
• M15: 8,798,599 km (0.096 R)
• M16: 10,949,667 km (0.078 R)
• M17: 12,867,362 km (0.118 R)
• M18: 14,461,177 km (0.076 R)
• M19: 17,202,409 km (0.074 R)
• M20: 17,880,835 km (0.11 R)
• M21: 20,604,713 km (0.032 R)
• M22: 21,112,598 km (0.069 R)
• M23: 24,241,886 km (0.086 R)
• M24: 26,657,144 km (0.062 R)
• M25: 28,284,170 km (0.081 R)
• M26: 28,805,968 km (0.04 R)
• M27: 29,227,983 km (0.113 R)
• M28: 31,959,192 km (0.074 R)
• M29: 35,455,294 km (0.113 R)
• M30: 36,183,835 km (0.079 R)
• M31: 40,238,536 km (0.097 R)
• M32: 40,370,033 km (0.088 R)
• M33: 43,057,708 km (0.102 R)
• M34: 49,990,073 km (0.025 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149.9

Radius: 3.9

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 10.14 AU - 10.6 AU

Year: 22269 Days

Day: 21.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,257,116 km

• M1: 55,800 km (0.073 R)
• M2: 217,964 km (0.079 R)
• M3: 354,996 km (0.065 R)
• M4: 790,026 km (0.077 R)
• M5: 1,027,887 km (0.095 R)
• M6: 1,800,859 km (0.084 R)
• M7: 2,770,104 km (0.104 R)
• M8: 4,240,352 km (0.114 R)
• M9: 4,869,560 km (0.112 R)
• M10: 5,422,773 km (0.038 R)
• M11: 5,837,907 km (0.12 R)
• M12: 6,423,733 km (0.091 R)
• M13: 8,736,665 km (0.088 R)
• M14: 9,900,088 km (0.093 R)
• M15: 10,891,623 km (0.101 R)
• M16: 12,707,890 km (0.041 R)
• M17: 16,782,787 km (0.118 R)
• M18: 20,808,316 km (0.071 R)
• M19: 25,148,898 km (0.094 R)
• M20: 27,982,431 km (0.112 R)
• M21: 38,994,779 km (0.097 R)
• M22: 46,080,333 km (0.08 R)
• M23: 48,376,660 km (0.112 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: 362 - 15,548 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit