🌌 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: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.2

Radius: 11.1

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.5 AU - 0.6 AU

Year: 282 Days

Day: 8.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,413,489 km

• M1: 138,079 km (0.079 R)
• M2: 489,783 km (0.089 R)
• M3: 845,677 km (0.12 R)
• M4: 1,231,789 km (0.052 R)
• M5: 1,755,082 km (0.098 R)
• M6: 2,151,965 km (0.102 R)
• M7: 2,541,069 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.2

Radius: 11.6

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.66 AU - 1 AU

Year: 522 Days

Day: 10.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 134.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 56,413,489 km

• M1: 144,212 km (0.112 R)
• M2: 565,480 km (0.049 R)
• M3: 980,913 km (0.06 R)
• M4: 1,464,414 km (0.114 R)
• M5: 2,213,001 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.2

Radius: 8

Gravity: 15.55 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.36 AU - 1.56 AU

Year: 1218 Days

Day: 11.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,413,489 km

• M1: 99,632 km (0.081 R)
• M2: 365,916 km (0.054 R)
• M3: 748,438 km (0.115 R)
• M4: 1,695,393 km (0.048 R)
• M5: 1,982,321 km (0.106 R)
• M6: 2,399,400 km (0.103 R)
• M7: 2,736,145 km (0.065 R)
• M8: 3,104,156 km (0.063 R)
• M9: 3,819,383 km (0.089 R)
• M10: 4,718,317 km (0.04 R)
• M11: 5,774,029 km (0.096 R)
• M12: 6,095,964 km (0.093 R)
• M13: 6,675,955 km (0.079 R)
• M14: 7,532,702 km (0.115 R)
• M15: 8,229,080 km (0.1 R)
• M16: 8,548,920 km (0.05 R)
• M17: 9,244,251 km (0.053 R)
• M18: 10,075,117 km (0.095 R)
• M19: 10,816,225 km (0.108 R)
• M20: 11,629,439 km (0.101 R)
• M21: 11,884,803 km (0.094 R)
• M22: 12,406,899 km (0.11 R)
• M23: 12,827,718 km (0.06 R)
• M24: 13,139,630 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.6

Radius: 10.9

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.42 AU - 1.84 AU

Year: 1436 Days

Day: 10.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,413,489 km

• M1: 135,685 km (0.11 R)
• M2: 697,276 km (0.105 R)
• M3: 1,383,182 km (0.1 R)
• M4: 1,850,077 km (0.081 R)
• M5: 2,604,499 km (0.117 R)
• M6: 3,146,342 km (0.116 R)
• M7: 4,042,882 km (0.105 R)
• M8: 4,490,629 km (0.109 R)
• M9: 4,861,781 km (0.111 R)
• M10: 5,666,019 km (0.065 R)
• M11: 6,100,302 km (0.091 R)
• M12: 6,827,647 km (0.103 R)
• M13: 7,248,166 km (0.077 R)
• M14: 7,587,155 km (0.091 R)
• M15: 8,271,117 km (0.095 R)
• M16: 9,134,446 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.7

Radius: 14.7

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.33 AU - 4.85 AU

Year: 6788 Days

Day: 8 Hours

Environment

Temp: -214 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,413,489 km

• M1: 183,257 km (0.119 R)
• M2: 931,696 km (0.08 R)
• M3: 1,928,017 km (0.1 R)
• M4: 2,523,716 km (0.12 R)
• M5: 4,301,836 km (0.105 R)
• M6: 5,677,987 km (0.082 R)
• M7: 6,415,804 km (0.087 R)
• M8: 7,840,424 km (0.033 R)
• M9: 9,062,938 km (0.025 R)
• M10: 10,753,245 km (0.072 R)
• M11: 11,516,493 km (0.113 R)
• M12: 17,980,168 km (0.102 R)
• M13: 24,135,971 km (0.067 R)
• M14: 25,802,491 km (0.116 R)
• M15: 27,732,304 km (0.079 R)
• M16: 31,364,091 km (0.105 R)
• M17: 37,446,741 km (0.097 R)
• M18: 38,025,385 km (0.083 R)
• M19: 38,609,864 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.6

Radius: 3

Gravity: 56.84 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.69 AU - 7.73 AU

Year: 10682 Days

Day: 22.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,413,489 km

• M1: 37,399 km (0.101 R)
• M2: 203,154 km (0.075 R)
• M3: 324,777 km (0.078 R)
• M4: 547,678 km (0.087 R)
• M5: 1,497,475 km (0.049 R)
• M6: 2,017,626 km (0.084 R)
• M7: 4,314,552 km (0.111 R)
• M8: 5,249,688 km (0.073 R)
• M9: 5,645,375 km (0.118 R)
• M10: 9,943,621 km (0.043 R)
• M11: 10,754,741 km (0.114 R)
• M12: 10,964,178 km (0.112 R)
• M13: 12,680,664 km (0.106 R)
• M14: 13,755,225 km (0.118 R)
• M15: 14,696,046 km (0.056 R)
• M16: 17,920,030 km (0.094 R)
• M17: 18,362,839 km (0.098 R)
• M18: 26,950,206 km (0.103 R)
• M19: 33,138,920 km (0.12 R)
• M20: 44,901,502 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 265.5

Radius: 4.6

Gravity: 12.55 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.86 AU - 7.84 AU

Year: 12375 Days

Day: 24.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,413,489 km

• M1: 57,446 km (0.082 R)
• M2: 231,428 km (0.052 R)
• M3: 546,631 km (0.089 R)
• M4: 822,938 km (0.088 R)
• M5: 1,028,186 km (0.103 R)
• M6: 1,796,670 km (0.103 R)
• M7: 2,574,131 km (0.06 R)
• M8: 3,166,987 km (0.104 R)
• M9: 3,602,018 km (0.087 R)
• M10: 3,796,644 km (0.038 R)
• M11: 3,947,140 km (0.117 R)
• M12: 4,965,752 km (0.103 R)
• M13: 6,896,911 km (0.104 R)
• M14: 7,784,624 km (0.077 R)
• M15: 9,551,674 km (0.066 R)
• M16: 10,067,787 km (0.105 R)
• M17: 12,209,879 km (0.083 R)
• M18: 13,043,289 km (0.115 R)
• M19: 14,152,407 km (0.071 R)
• M20: 14,946,622 km (0.066 R)
• M21: 17,645,817 km (0.109 R)
• M22: 18,927,123 km (0.03 R)
• M23: 20,963,299 km (0.098 R)
• M24: 21,753,176 km (0.087 R)
• M25: 22,236,527 km (0.118 R)
• M26: 22,974,792 km (0.096 R)
• M27: 23,560,318 km (0.074 R)
• M28: 24,500,242 km (0.105 R)
• M29: 25,911,847 km (0.085 R)
• M30: 32,204,831 km (0.087 R)
• M31: 32,622,359 km (0.097 R)
• M32: 32,937,861 km (0.104 R)
• M33: 39,088,278 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 236.5

Radius: 3.5

Gravity: 19.31 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 8.03 AU - 11.91 AU

Year: 21730 Days

Day: 22.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,413,489 km

• M1: 43,533 km (0.103 R)
• M2: 167,400 km (0.074 R)
• M3: 287,677 km (0.09 R)
• M4: 448,794 km (0.091 R)
• M5: 619,485 km (0.057 R)
• M6: 842,386 km (0.097 R)
• M7: 1,228,647 km (0.063 R)
• M8: 1,535,323 km (0.116 R)
• M9: 4,219,857 km (0.085 R)
• M10: 5,674,696 km (0.064 R)
• M11: 6,675,356 km (0.103 R)
• M12: 7,174,714 km (0.111 R)
• M13: 9,218,969 km (0.086 R)
• M14: 13,028,179 km (0.09 R)
• M15: 17,226,344 km (0.077 R)
• M16: 25,678,175 km (0.067 R)
• M17: 26,282,850 km (0.053 R)
• M18: 26,486,602 km (0.096 R)
• M19: 30,334,858 km (0.115 R)
• M20: 37,419,963 km (0.051 R)
• M21: 40,320,815 km (0.063 R)
• M22: 41,825,919 km (0.078 R)
• M23: 43,510,092 km (0.1 R)
• M24: 48,069,087 km (0.108 R)
• M25: 49,916,022 km (0.066 R)
• M26: 52,290,589 km (0.12 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: 511 - 11,399 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit