🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.5

Radius: 13.9

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.58 AU - 0.64 AU

Year: 318 Days

Day: 11.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 48,631,757 km

• M1: 172,935 km (0.053 R)
• M2: 618,587 km (0.095 R)
• M3: 1,113,457 km (0.113 R)
• M4: 1,585,737 km (0.059 R)
• M5: 2,053,979 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.9

Radius: 12.3

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.25 AU - 2.31 AU

Year: 2296 Days

Day: 11.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,631,757 km

• M1: 163,361 km (0.112 R)
• M2: 717,621 km (0.08 R)
• M3: 1,337,555 km (0.086 R)
• M4: 1,781,561 km (0.093 R)
• M5: 2,993,005 km (0.107 R)
• M6: 3,453,317 km (0.087 R)
• M7: 4,040,040 km (0.112 R)
• M8: 4,871,804 km (0.111 R)
• M9: 5,970,002 km (0.116 R)
• M10: 6,875,518 km (0.087 R)
• M11: 9,342,985 km (0.042 R)
• M12: 9,921,630 km (0.099 R)
• M13: 10,524,210 km (0.112 R)
• M14: 11,071,290 km (0.111 R)
• M15: 11,473,708 km (0.103 R)
• M16: 13,137,236 km (0.071 R)
• M17: 14,143,880 km (0.054 R)
• M18: 16,002,634 km (0.101 R)
• M19: 18,019,213 km (0.088 R)
• M20: 19,261,324 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.1

Radius: 8.7

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.56 AU - 2.92 AU

Year: 3025 Days

Day: 11.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 132.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,631,757 km

• M1: 108,159 km (0.097 R)
• M2: 384,167 km (0.062 R)
• M3: 785,688 km (0.066 R)
• M4: 1,438,982 km (0.088 R)
• M5: 2,033,334 km (0.11 R)
• M6: 2,579,815 km (0.055 R)
• M7: 3,133,178 km (0.1 R)
• M8: 3,646,598 km (0.088 R)
• M9: 4,005,483 km (0.066 R)
• M10: 4,387,855 km (0.049 R)
• M11: 4,724,899 km (0.104 R)
• M12: 5,127,916 km (0.102 R)
• M13: 5,683,373 km (0.106 R)
• M14: 6,167,023 km (0.112 R)
• M15: 7,309,502 km (0.077 R)
• M16: 8,831,510 km (0.086 R)
• M17: 9,188,451 km (0.033 R)
• M18: 11,536,539 km (0.099 R)
• M19: 13,635,397 km (0.071 R)
• M20: 15,253,148 km (0.11 R)
• M21: 15,976,753 km (0.066 R)
• M22: 18,515,579 km (0.117 R)
• M23: 19,101,105 km (0.075 R)
• M24: 20,371,041 km (0.093 R)
• M25: 20,681,457 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.2

Radius: 11.5

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.67 AU - 3.11 AU

Year: 3276 Days

Day: 12.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,631,757 km

• M1: 143,165 km (0.049 R)
• M2: 546,930 km (0.037 R)
• M3: 1,925,325 km (0.066 R)
• M4: 3,222,937 km (0.043 R)
• M5: 4,004,735 km (0.111 R)
• M6: 4,569,467 km (0.061 R)
• M7: 5,747,849 km (0.046 R)
• M8: 7,710,573 km (0.081 R)
• M9: 11,661,304 km (0.05 R)
• M10: 13,742,360 km (0.049 R)
• M11: 14,145,825 km (0.074 R)
• M12: 14,818,118 km (0.117 R)
• M13: 18,021,008 km (0.066 R)
• M14: 21,523,693 km (0.12 R)
• M15: 24,413,176 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.8

Radius: 10.5

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.24 AU - 4.24 AU

Year: 4823 Days

Day: 9.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,631,757 km

• M1: 196,422 km (0.049 R)
• M2: 652,995 km (0.093 R)
• M3: 1,263,204 km (0.083 R)
• M4: 2,108,133 km (0.086 R)
• M5: 3,551,154 km (0.096 R)
• M6: 4,347,165 km (0.115 R)
• M7: 4,737,316 km (0.113 R)
• M8: 6,999,684 km (0.119 R)
• M9: 10,615,764 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267.8

Radius: 3.4

Gravity: 23.17 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.09 AU - 6.63 AU

Year: 10696 Days

Day: 21 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 48,631,757 km

• M1: 43,234 km (0.073 R)
• M2: 165,904 km (0.057 R)
• M3: 401,072 km (0.101 R)
• M4: 548,426 km (0.113 R)
• M5: 663,766 km (0.048 R)
• M6: 1,253,331 km (0.088 R)
• M7: 1,558,959 km (0.075 R)
• M8: 1,837,361 km (0.116 R)
• M9: 1,988,604 km (0.112 R)
• M10: 2,197,593 km (0.101 R)
• M11: 2,403,140 km (0.047 R)
• M12: 2,678,251 km (0.107 R)
• M13: 2,793,890 km (0.099 R)
• M14: 3,559,831 km (0.091 R)
• M15: 4,349,857 km (0.089 R)
• M16: 4,510,077 km (0.083 R)
• M17: 4,729,836 km (0.073 R)
• M18: 5,043,393 km (0.098 R)
• M19: 5,431,749 km (0.11 R)
• M20: 6,335,470 km (0.042 R)
• M21: 6,646,035 km (0.089 R)
• M22: 6,751,801 km (0.079 R)
• M23: 8,190,633 km (0.119 R)
• M24: 8,938,473 km (0.06 R)
• M25: 14,759,176 km (0.039 R)
• M26: 20,156,368 km (0.056 R)
• M27: 27,271,393 km (0.095 R)
• M28: 27,633,719 km (0.101 R)
• M29: 29,874,844 km (0.06 R)
• M30: 32,032,943 km (0.041 R)
• M31: 32,537,537 km (0.091 R)
• M32: 34,608,869 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484.5

Radius: 6.5

Gravity: 11.47 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.36 AU - 7.56 AU

Year: 10949 Days

Day: 16.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,631,757 km

• M1: 80,932 km (0.052 R)
• M2: 589,864 km (0.065 R)
• M3: 982,110 km (0.05 R)
• M4: 1,291,478 km (0.064 R)
• M5: 1,606,980 km (0.069 R)
• M6: 3,067,056 km (0.053 R)
• M7: 3,581,971 km (0.1 R)
• M8: 5,058,054 km (0.108 R)
• M9: 5,311,622 km (0.087 R)
• M10: 7,533,599 km (0.057 R)
• M11: 8,780,647 km (0.077 R)
• M12: 9,572,469 km (0.097 R)
• M13: 18,656,500 km (0.118 R)
• M14: 21,079,986 km (0.106 R)
• M15: 22,579,405 km (0.111 R)
• M16: 24,597,031 km (0.117 R)
• M17: 30,524,099 km (0.028 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.6

Radius: 3.4

Gravity: 82.92 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.88 AU - 8.04 AU

Year: 10949 Days

Day: 15.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 48,631,757 km

• M1: 42,336 km (0.113 R)
• M2: 198,516 km (0.083 R)
• M3: 402,568 km (0.116 R)
• M4: 1,737,729 km (0.114 R)
• M5: 1,995,935 km (0.078 R)
• M6: 2,259,526 km (0.069 R)
• M7: 2,610,034 km (0.112 R)
• M8: 4,022,537 km (0.117 R)
• M9: 4,473,276 km (0.065 R)
• M10: 4,726,994 km (0.062 R)
• M11: 4,857,443 km (0.105 R)
• M12: 5,057,455 km (0.074 R)
• M13: 5,801,555 km (0.05 R)
• M14: 6,026,999 km (0.071 R)
• M15: 7,636,373 km (0.046 R)
• M16: 10,144,531 km (0.073 R)
• M17: 11,671,775 km (0.052 R)
• M18: 14,545,999 km (0.09 R)
• M19: 16,182,450 km (0.098 R)
• M20: 18,901,841 km (0.061 R)
• M21: 19,731,211 km (0.088 R)
• M22: 20,412,031 km (0.039 R)
• M23: 22,918,394 km (0.064 R)
• M24: 25,622,226 km (0.076 R)
• M25: 27,468,114 km (0.034 R)
• M26: 33,774,861 km (0.12 R)
• M27: 37,261,838 km (0.092 R)
• M28: 37,908,699 km (0.052 R)
• M29: 40,029,099 km (0.057 R)
• M30: 42,227,290 km (0.113 R)
• M31: 44,649,429 km (0.075 R)
• M32: 47,313,319 km (0.096 R)
• M33: 47,767,498 km (0.065 R)
• M34: 47,919,340 km (0.091 R)
• M35: 49,301,923 km (0.046 R)
• M36: 52,468,760 km (0.085 R)
• M37: 55,600,293 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283.4

Radius: 5.6

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.58 AU - 8.98 AU

Year: 15888 Days

Day: 20.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,631,757 km

• M1: 69,713 km (0.088 R)
• M2: 272,268 km (0.083 R)
• M3: 481,855 km (0.106 R)
• M4: 724,353 km (0.098 R)
• M5: 993,928 km (0.1 R)
• M6: 1,488,499 km (0.098 R)
• M7: 1,783,207 km (0.112 R)
• M8: 2,950,369 km (0.062 R)
• M9: 3,343,662 km (0.11 R)
• M10: 4,674,185 km (0.101 R)
• M11: 4,858,340 km (0.097 R)
• M12: 8,017,698 km (0.097 R)
• M13: 8,968,692 km (0.051 R)
• M14: 9,446,956 km (0.076 R)
• M15: 9,942,125 km (0.115 R)
• M16: 13,778,712 km (0.11 R)
• M17: 14,094,663 km (0.095 R)
• M18: 14,415,251 km (0.036 R)
• M19: 15,610,239 km (0.092 R)
• M20: 15,953,416 km (0.102 R)
• M21: 17,377,289 km (0.078 R)
• M22: 18,575,568 km (0.094 R)
• M23: 18,806,248 km (0.104 R)
• M24: 19,116,813 km (0.077 R)
• M25: 20,803,678 km (0.115 R)
• M26: 22,674,549 km (0.111 R)
• M27: 27,437,297 km (0.116 R)
• M28: 28,647,543 km (0.118 R)
• M29: 31,282,261 km (0.106 R)
• M30: 33,844,873 km (0.11 R)
• M31: 36,544,067 km (0.092 R)
• M32: 36,906,393 km (0.093 R)
• M33: 41,312,350 km (0.095 R)
• M34: 45,357,476 km (0.097 R)
• M35: 45,636,177 km (0.096 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 15,279 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit