🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.4

Radius: 14.3

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.52 AU - 0.62 AU

Year: 292 Days

Day: 12.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,440,428 km

• M1: 178,021 km (0.112 R)
• M2: 645,216 km (0.12 R)
• M3: 1,102,387 km (0.051 R)
• M4: 1,623,586 km (0.119 R)
• M5: 2,181,137 km (0.052 R)
• M6: 2,687,077 km (0.094 R)
• M7: 3,738,900 km (0.099 R)
• M8: 4,431,837 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.1

Radius: 13

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.63 AU - 0.77 AU

Year: 397 Days

Day: 8.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,440,428 km

• M1: 174,282 km (0.108 R)
• M2: 767,138 km (0.091 R)
• M3: 1,337,854 km (0.113 R)
• M4: 1,862,942 km (0.109 R)
• M5: 2,468,814 km (0.092 R)
• M6: 2,961,589 km (0.078 R)
• M7: 3,612,938 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.1

Radius: 9.7

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.53 AU - 2.15 AU

Year: 1693 Days

Day: 10.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 66,440,428 km

• M1: 120,875 km (0.075 R)
• M2: 564,134 km (0.093 R)
• M3: 1,026,541 km (0.079 R)
• M4: 1,425,069 km (0.053 R)
• M5: 1,859,950 km (0.093 R)
• M6: 2,293,036 km (0.027 R)
• M7: 3,413,075 km (0.103 R)
• M8: 3,827,761 km (0.086 R)
• M9: 4,472,677 km (0.047 R)
• M10: 4,948,997 km (0.103 R)
• M11: 5,390,310 km (0.116 R)
• M12: 6,428,669 km (0.041 R)
• M13: 7,118,166 km (0.087 R)
• M14: 8,396,330 km (0.108 R)
• M15: 8,961,062 km (0.084 R)
• M16: 11,028,205 km (0.113 R)
• M17: 12,251,916 km (0.072 R)
• M18: 14,429,911 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.2

Radius: 13.9

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.45 AU - 2.25 AU

Year: 1707 Days

Day: 5.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,440,428 km

• M1: 202,406 km (0.109 R)
• M2: 931,396 km (0.117 R)
• M3: 1,682,078 km (0.066 R)
• M4: 2,219,284 km (0.098 R)
• M5: 2,894,270 km (0.092 R)
• M6: 3,551,902 km (0.06 R)
• M7: 4,323,528 km (0.114 R)
• M8: 5,012,127 km (0.109 R)
• M9: 6,241,522 km (0.094 R)
• M10: 6,735,644 km (0.088 R)
• M11: 8,038,642 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.9

Radius: 11.5

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.44 AU - 3.64 AU

Year: 3595 Days

Day: 6.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,440,428 km

• M1: 143,016 km (0.077 R)
• M2: 583,731 km (0.101 R)
• M3: 1,268,291 km (0.118 R)
• M4: 1,706,313 km (0.057 R)
• M5: 2,470,010 km (0.067 R)
• M6: 3,019,035 km (0.114 R)
• M7: 3,587,656 km (0.097 R)
• M8: 4,791,470 km (0.095 R)
• M9: 5,594,811 km (0.119 R)
• M10: 6,217,886 km (0.05 R)
• M11: 7,013,298 km (0.062 R)
• M12: 8,403,810 km (0.059 R)
• M13: 8,993,674 km (0.075 R)
• M14: 9,376,196 km (0.051 R)
• M15: 10,133,161 km (0.106 R)
• M16: 11,190,669 km (0.107 R)
• M17: 12,460,605 km (0.075 R)
• M18: 16,560,634 km (0.119 R)
• M19: 17,078,392 km (0.067 R)
• M20: 18,450,803 km (0.081 R)
• M21: 19,258,482 km (0.091 R)
• M22: 19,767,115 km (0.088 R)
• M23: 20,349,948 km (0.119 R)
• M24: 23,871,931 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.7

Radius: 13.1

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.76 AU - 4.06 AU

Year: 5244 Days

Day: 10.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,440,428 km

• M1: 163,062 km (0.056 R)
• M2: 698,173 km (0.12 R)
• M3: 1,153,549 km (0.09 R)
• M4: 1,826,590 km (0.068 R)
• M5: 2,348,687 km (0.051 R)
• M6: 3,122,257 km (0.048 R)
• M7: 3,677,116 km (0.097 R)
• M8: 4,370,502 km (0.094 R)
• M9: 5,429,056 km (0.071 R)
• M10: 6,298,370 km (0.025 R)
• M11: 7,223,932 km (0.064 R)
• M12: 8,275,904 km (0.11 R)
• M13: 9,678,833 km (0.114 R)
• M14: 11,422,545 km (0.112 R)
• M15: 11,950,327 km (0.117 R)
• M16: 13,525,742 km (0.099 R)
• M17: 14,781,018 km (0.095 R)
• M18: 19,348,839 km (0.088 R)
• M19: 21,805,685 km (0.116 R)
• M20: 22,469,750 km (0.105 R)
• M21: 25,180,912 km (0.109 R)
• M22: 28,276,990 km (0.066 R)
• M23: 30,874,757 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.9

Radius: 10.1

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.51 AU - 5.79 AU

Year: 6801 Days

Day: 6.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 66,440,428 km

• M1: 133,591 km (0.033 R)
• M2: 474,973 km (0.086 R)
• M3: 804,238 km (0.108 R)
• M4: 1,162,076 km (0.088 R)
• M5: 1,809,386 km (0.067 R)
• M6: 2,215,395 km (0.08 R)
• M7: 3,113,431 km (0.058 R)
• M8: 3,974,666 km (0.117 R)
• M9: 7,231,112 km (0.037 R)
• M10: 7,698,306 km (0.116 R)
• M11: 8,109,252 km (0.117 R)
• M12: 9,263,250 km (0.101 R)
• M13: 10,165,026 km (0.055 R)
• M14: 10,660,195 km (0.11 R)
• M15: 11,993,261 km (0.086 R)
• M16: 12,343,320 km (0.116 R)
• M17: 13,011,424 km (0.077 R)
• M18: 13,812,222 km (0.066 R)
• M19: 16,534,454 km (0.057 R)
• M20: 17,219,762 km (0.117 R)
• M21: 18,250,342 km (0.098 R)
• M22: 20,011,857 km (0.088 R)
• M23: 20,862,021 km (0.102 R)
• M24: 24,988,080 km (0.083 R)
• M25: 25,395,585 km (0.091 R)
• M26: 26,814,670 km (0.082 R)
• M27: 27,156,053 km (0.098 R)
• M28: 28,817,636 km (0.093 R)
• M29: 29,265,981 km (0.12 R)
• M30: 29,628,008 km (0.046 R)
• M31: 31,767,706 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.5

Radius: 11.7

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.61 AU - 6.37 AU

Year: 8725 Days

Day: 12.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,440,428 km

• M1: 149,598 km (0.082 R)
• M2: 520,750 km (0.039 R)
• M3: 1,100,891 km (0.074 R)
• M4: 1,522,009 km (0.109 R)
• M5: 1,933,702 km (0.026 R)
• M6: 2,800,472 km (0.099 R)
• M7: 3,313,593 km (0.059 R)
• M8: 4,037,497 km (0.114 R)
• M9: 4,987,294 km (0.054 R)
• M10: 6,517,979 km (0.115 R)
• M11: 7,007,912 km (0.093 R)
• M12: 7,391,481 km (0.079 R)
• M13: 7,993,164 km (0.093 R)
• M14: 8,591,107 km (0.064 R)
• M15: 11,114,224 km (0.118 R)
• M16: 12,921,366 km (0.05 R)
• M17: 13,548,780 km (0.106 R)
• M18: 16,042,876 km (0.048 R)
• M19: 17,052,512 km (0.041 R)
• M20: 17,985,105 km (0.118 R)
• M21: 19,074,626 km (0.108 R)
• M22: 22,058,356 km (0.032 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 434.5

Radius: 7.6

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 9.51 AU - 9.89 AU

Year: 20490 Days

Day: 15.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,440,428 km

• M1: 109,506 km (0.064 R)
• M2: 481,406 km (0.107 R)
• M3: 800,947 km (0.109 R)
• M4: 1,181,674 km (0.12 R)
• M5: 1,429,707 km (0.076 R)
• M6: 2,309,492 km (0.076 R)
• M7: 2,963,534 km (0.114 R)
• M8: 3,482,489 km (0.057 R)
• M9: 6,552,387 km (0.113 R)
• M10: 8,537,999 km (0.082 R)
• M11: 9,369,614 km (0.051 R)
• M12: 11,193,062 km (0.067 R)
• M13: 11,745,976 km (0.099 R)
• M14: 18,399,042 km (0.055 R)
• M15: 19,517,585 km (0.071 R)
• M16: 24,345,707 km (0.087 R)
• M17: 26,116,946 km (0.102 R)
• M18: 27,088,584 km (0.092 R)
• M19: 31,337,463 km (0.045 R)
• M20: 32,434,464 km (0.118 R)
• M21: 33,936,427 km (0.1 R)
• M22: 35,484,166 km (0.088 R)
• M23: 36,275,539 km (0.03 R)
• M24: 39,840,905 km (0.093 R)
• M25: 41,127,447 km (0.075 R)
• M26: 46,551,716 km (0.112 R)
• M27: 53,460,295 km (0.101 R)
• M28: 54,151,886 km (0.119 R)
• M29: 60,272,833 km (0.106 R)
• M30: 61,967,028 km (0.036 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 19,325 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit