🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.6

Radius: 14.2

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.86 AU - 1.02 AU

Year: 588 Days

Day: 7.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 98,244,831 km

• M1: 176,974 km (0.116 R)
• M2: 695,032 km (0.045 R)
• M3: 1,146,967 km (0.06 R)
• M4: 1,649,915 km (0.078 R)
• M5: 2,360,206 km (0.095 R)
• M6: 2,877,814 km (0.119 R)
• M7: 3,331,096 km (0.052 R)
• M8: 4,044,079 km (0.087 R)
• M9: 5,667,366 km (0.083 R)
• M10: 6,809,994 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.3

Radius: 12.5

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.97 AU - 1.41 AU

Year: 838 Days

Day: 5.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 98,244,831 km

• M1: 158,574 km (0.101 R)
• M2: 670,797 km (0.03 R)
• M3: 1,226,553 km (0.071 R)
• M4: 1,615,807 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.5

Radius: 14.1

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.63 AU - 1.65 AU

Year: 1356 Days

Day: 14.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 98,244,831 km

• M1: 175,777 km (0.063 R)
• M2: 681,119 km (0.112 R)
• M3: 1,526,796 km (0.061 R)
• M4: 1,974,991 km (0.112 R)
• M5: 2,697,698 km (0.033 R)
• M6: 3,228,472 km (0.113 R)
• M7: 6,175,251 km (0.092 R)
• M8: 7,013,298 km (0.09 R)
• M9: 8,102,520 km (0.117 R)
• M10: 9,218,370 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.1

Radius: 14.9

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.58 AU - 2.58 AU

Year: 1937 Days

Day: 6.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 98,244,831 km

• M1: 185,651 km (0.099 R)
• M2: 695,481 km (0.082 R)
• M3: 1,325,587 km (0.106 R)
• M4: 1,912,758 km (0.091 R)
• M5: 2,833,234 km (0.117 R)
• M6: 3,472,615 km (0.111 R)
• M7: 4,091,053 km (0.05 R)
• M8: 4,718,317 km (0.091 R)
• M9: 6,015,330 km (0.1 R)
• M10: 6,666,380 km (0.104 R)
• M11: 7,686,488 km (0.092 R)
• M12: 8,172,232 km (0.047 R)
• M13: 8,873,846 km (0.032 R)
• M14: 9,684,667 km (0.06 R)
• M15: 10,879,954 km (0.087 R)
• M16: 12,334,644 km (0.095 R)
• M17: 13,002,449 km (0.09 R)
• M18: 14,184,122 km (0.029 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.6

Radius: 8.9

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.94 AU - 4.16 AU

Year: 5263 Days

Day: 11.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 98,244,831 km

• M1: 120,875 km (0.108 R)
• M2: 440,865 km (0.112 R)
• M3: 721,511 km (0.103 R)
• M4: 1,069,625 km (0.092 R)
• M5: 1,356,553 km (0.111 R)
• M6: 2,158,548 km (0.048 R)
• M7: 2,624,994 km (0.101 R)
• M8: 3,720,200 km (0.103 R)
• M9: 4,527,580 km (0.059 R)
• M10: 5,021,402 km (0.085 R)
• M11: 5,869,472 km (0.054 R)
• M12: 6,370,775 km (0.12 R)
• M13: 7,238,293 km (0.086 R)
• M14: 8,844,077 km (0.053 R)
• M15: 9,354,205 km (0.056 R)
• M16: 12,698,914 km (0.102 R)
• M17: 13,113,899 km (0.112 R)
• M18: 14,363,640 km (0.073 R)
• M19: 15,119,857 km (0.099 R)
• M20: 16,602,072 km (0.032 R)
• M21: 17,098,438 km (0.075 R)
• M22: 19,063,406 km (0.08 R)
• M23: 19,607,793 km (0.116 R)
• M24: 20,727,533 km (0.061 R)
• M25: 21,110,055 km (0.065 R)
• M26: 21,497,364 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.2

Radius: 15

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.85 AU - 5.67 AU

Year: 7789 Days

Day: 14.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 98,244,831 km

• M1: 186,549 km (0.109 R)
• M2: 670,946 km (0.06 R)
• M3: 1,278,015 km (0.074 R)
• M4: 1,919,640 km (0.093 R)
• M5: 2,401,195 km (0.096 R)
• M6: 3,247,620 km (0.097 R)
• M7: 3,917,519 km (0.114 R)
• M8: 5,152,450 km (0.078 R)
• M9: 6,668,026 km (0.064 R)
• M10: 7,642,357 km (0.088 R)
• M11: 8,627,309 km (0.071 R)
• M12: 11,889,440 km (0.077 R)
• M13: 12,832,206 km (0.074 R)
• M14: 15,590,791 km (0.064 R)
• M15: 19,640,106 km (0.119 R)
• M16: 21,182,909 km (0.059 R)
• M17: 24,096,028 km (0.073 R)
• M18: 26,734,486 km (0.07 R)
• M19: 30,129,460 km (0.066 R)
• M20: 32,079,618 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.6

Radius: 7.2

Gravity: 12.24 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 8.61 AU - 10.91 AU

Year: 19687 Days

Day: 22.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 98,244,831 km

• M1: 116,836 km (0.12 R)
• M2: 430,991 km (0.094 R)
• M3: 935,735 km (0.073 R)
• M4: 1,262,756 km (0.104 R)
• M5: 1,564,794 km (0.095 R)
• M6: 1,859,053 km (0.083 R)
• M7: 3,743,088 km (0.112 R)
• M8: 5,405,420 km (0.114 R)
• M9: 9,700,225 km (0.116 R)
• M10: 11,127,838 km (0.071 R)
• M11: 18,949,413 km (0.08 R)
• M12: 20,596,485 km (0.108 R)
• M13: 23,140,696 km (0.061 R)
• M14: 25,887,164 km (0.117 R)
• M15: 26,439,180 km (0.106 R)
• M16: 27,796,032 km (0.084 R)
• M17: 28,608,648 km (0.107 R)
• M18: 30,893,905 km (0.098 R)
• M19: 36,097,368 km (0.114 R)
• M20: 46,719,116 km (0.095 R)
• M21: 51,597,203 km (0.089 R)
• M22: 56,804,107 km (0.084 R)
• M23: 63,941,870 km (0.108 R)
• M24: 69,300,316 km (0.095 R)
• M25: 71,654,687 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.7

Radius: 7

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 8.77 AU - 12.01 AU

Year: 21624 Days

Day: 21.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 98,244,831 km

• M1: 88,113 km (0.086 R)
• M2: 495,917 km (0.113 R)
• M3: 810,820 km (0.075 R)
• M4: 2,288,548 km (0.066 R)
• M5: 3,076,480 km (0.078 R)
• M6: 3,411,280 km (0.065 R)
• M7: 4,531,020 km (0.105 R)
• M8: 5,463,165 km (0.092 R)
• M9: 5,877,401 km (0.03 R)
• M10: 6,112,120 km (0.11 R)
• M11: 6,854,275 km (0.12 R)
• M12: 7,562,920 km (0.107 R)
• M13: 8,919,175 km (0.111 R)
• M14: 9,600,892 km (0.115 R)
• M15: 9,927,016 km (0.074 R)
• M16: 12,939,468 km (0.096 R)
• M17: 13,675,639 km (0.062 R)
• M18: 14,439,486 km (0.109 R)
• M19: 16,434,224 km (0.112 R)
• M20: 20,244,033 km (0.097 R)
• M21: 23,119,603 km (0.115 R)
• M22: 24,302,174 km (0.102 R)
• M23: 29,551,264 km (0.081 R)
• M24: 40,504,371 km (0.088 R)
• M25: 40,787,111 km (0.074 R)
• M26: 46,565,030 km (0.1 R)
• M27: 49,729,324 km (0.041 R)
• M28: 61,370,582 km (0.12 R)
• M29: 63,060,589 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991

Radius: 7.8

Gravity: 16.29 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 9.01 AU - 13.51 AU

Year: 24396 Days

Day: 24.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 98,244,831 km

• M1: 96,939 km (0.088 R)
• M2: 343,926 km (0.112 R)
• M3: 918,082 km (0.042 R)
• M4: 1,229,994 km (0.068 R)
• M5: 1,882,390 km (0.102 R)
• M6: 2,345,246 km (0.06 R)
• M7: 2,642,347 km (0.089 R)
• M8: 2,936,905 km (0.08 R)
• M9: 3,223,535 km (0.088 R)
• M10: 4,057,693 km (0.117 R)
• M11: 5,068,525 km (0.067 R)
• M12: 5,829,979 km (0.083 R)
• M13: 8,231,623 km (0.113 R)
• M14: 8,629,852 km (0.089 R)
• M15: 11,156,112 km (0.114 R)
• M16: 11,433,167 km (0.075 R)
• M17: 13,581,392 km (0.062 R)
• M18: 14,057,263 km (0.097 R)
• M19: 17,241,155 km (0.089 R)
• M20: 17,705,357 km (0.108 R)
• M21: 23,488,362 km (0.034 R)
• M22: 24,755,605 km (0.039 R)
• M23: 27,931,119 km (0.078 R)
• M24: 28,314,090 km (0.107 R)
• M25: 30,014,569 km (0.062 R)
• M26: 32,761,784 km (0.091 R)
• M27: 35,822,257 km (0.092 R)
• M28: 37,809,366 km (0.109 R)
• M29: 42,336,796 km (0.108 R)
• M30: 47,756,427 km (0.065 R)
• M31: 55,811,974 km (0.102 R)
• M32: 59,314,658 km (0.05 R)
• M33: 67,898,285 km (0.082 R)
• M34: 74,058,426 km (0.085 R)
• M35: 78,534,693 km (0.118 R)
• M36: 89,120,987 km (0.108 R)
• M37: 92,756,065 km (0.064 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 19,701 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit