🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.6

Radius: 13.3

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.79 AU - 1.17 AU

Year: 670 Days

Day: 13.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,750,918 km

• M1: 165,455 km (0.109 R)
• M2: 742,155 km (0.086 R)
• M3: 1,171,651 km (0.093 R)
• M4: 1,677,591 km (0.074 R)
• M5: 2,192,506 km (0.103 R)
• M6: 3,060,772 km (0.118 R)
• M7: 3,896,875 km (0.067 R)
• M8: 4,551,366 km (0.099 R)
• M9: 5,016,166 km (0.115 R)
• M10: 6,522,467 km (0.084 R)
• M11: 7,930,632 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.4

Radius: 9

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.52 AU - 2.58 AU

Year: 2811 Days

Day: 6.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,750,918 km

• M1: 121,324 km (0.111 R)
• M2: 488,287 km (0.099 R)
• M3: 872,305 km (0.051 R)
• M4: 1,705,416 km (0.118 R)
• M5: 2,536,133 km (0.071 R)
• M6: 3,026,664 km (0.072 R)
• M7: 3,387,793 km (0.085 R)
• M8: 3,722,743 km (0.058 R)
• M9: 5,062,691 km (0.091 R)
• M10: 7,171,572 km (0.079 R)
• M11: 7,816,489 km (0.103 R)
• M12: 11,793,698 km (0.026 R)
• M13: 13,989,346 km (0.066 R)
• M14: 14,670,315 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.9

Radius: 10.3

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.13 AU - 4.89 AU

Year: 6611 Days

Day: 11.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,750,918 km

• M1: 128,056 km (0.083 R)
• M2: 455,526 km (0.096 R)
• M3: 877,691 km (0.112 R)
• M4: 1,311,375 km (0.049 R)
• M5: 1,777,671 km (0.089 R)
• M6: 2,118,007 km (0.112 R)
• M7: 2,570,690 km (0.12 R)
• M8: 3,028,758 km (0.088 R)
• M9: 4,304,230 km (0.116 R)
• M10: 4,791,470 km (0.054 R)
• M11: 5,969,254 km (0.084 R)
• M12: 6,543,411 km (0.045 R)
• M13: 7,224,081 km (0.1 R)
• M14: 8,332,901 km (0.105 R)
• M15: 9,009,681 km (0.099 R)
• M16: 10,609,182 km (0.105 R)
• M17: 10,978,539 km (0.114 R)
• M18: 11,356,423 km (0.073 R)
• M19: 12,440,858 km (0.043 R)
• M20: 14,361,994 km (0.039 R)
• M21: 19,053,084 km (0.116 R)
• M22: 21,965,306 km (0.097 R)
• M23: 25,325,424 km (0.107 R)
• M24: 28,478,797 km (0.079 R)
• M25: 30,845,286 km (0.114 R)
• M26: 31,884,841 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.4

Radius: 8

Gravity: 10.79 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.04 AU - 6.4 AU

Year: 8232 Days

Day: 5.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 71,750,918 km

• M1: 99,782 km (0.113 R)
• M2: 402,269 km (0.108 R)
• M3: 703,708 km (0.1 R)
• M4: 1,033,871 km (0.105 R)
• M5: 1,682,826 km (0.101 R)
• M6: 2,198,341 km (0.051 R)
• M7: 2,917,906 km (0.116 R)
• M8: 3,355,181 km (0.067 R)
• M9: 3,911,536 km (0.029 R)
• M10: 4,198,614 km (0.101 R)
• M11: 4,641,424 km (0.096 R)
• M12: 5,176,386 km (0.063 R)
• M13: 5,490,990 km (0.043 R)
• M14: 5,885,479 km (0.115 R)
• M15: 6,193,501 km (0.069 R)
• M16: 6,548,348 km (0.096 R)
• M17: 11,036,134 km (0.08 R)
• M18: 11,400,106 km (0.081 R)
• M19: 12,879,479 km (0.073 R)
• M20: 14,793,584 km (0.058 R)
• M21: 16,685,249 km (0.07 R)
• M22: 17,443,261 km (0.097 R)
• M23: 18,586,339 km (0.105 R)
• M24: 19,400,749 km (0.082 R)
• M25: 20,784,380 km (0.093 R)
• M26: 25,962,561 km (0.08 R)
• M27: 29,588,664 km (0.086 R)
• M28: 29,988,988 km (0.106 R)
• M29: 31,730,606 km (0.111 R)
• M30: 41,584,618 km (0.066 R)
• M31: 41,961,006 km (0.07 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667

Radius: 4.9

Gravity: 27.78 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.68 AU - 9.14 AU

Year: 15356 Days

Day: 24.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 71,750,918 km

• M1: 67,020 km (0.071 R)
• M2: 300,841 km (0.091 R)
• M3: 551,268 km (0.081 R)
• M4: 761,453 km (0.106 R)
• M5: 990,039 km (0.089 R)
• M6: 1,374,804 km (0.088 R)
• M7: 1,633,758 km (0.103 R)
• M8: 2,150,469 km (0.048 R)
• M9: 3,313,144 km (0.09 R)
• M10: 3,500,141 km (0.069 R)
• M11: 3,666,045 km (0.059 R)
• M12: 4,674,933 km (0.062 R)
• M13: 5,154,245 km (0.106 R)
• M14: 5,516,122 km (0.119 R)
• M15: 6,130,222 km (0.077 R)
• M16: 6,788,901 km (0.118 R)
• M17: 8,052,853 km (0.089 R)
• M18: 10,119,698 km (0.095 R)
• M19: 11,274,743 km (0.089 R)
• M20: 11,699,002 km (0.065 R)
• M21: 14,050,681 km (0.044 R)
• M22: 15,410,525 km (0.089 R)
• M23: 18,140,986 km (0.095 R)
• M24: 21,268,928 km (0.073 R)
• M25: 21,637,088 km (0.039 R)
• M26: 23,152,963 km (0.118 R)
• M27: 27,683,834 km (0.068 R)
• M28: 28,566,461 km (0.069 R)
• M29: 31,684,081 km (0.067 R)
• M30: 34,134,494 km (0.094 R)
• M31: 35,663,684 km (0.061 R)
• M32: 37,638,824 km (0.106 R)
• M33: 38,177,526 km (0.081 R)
• M34: 46,268,976 km (0.065 R)
• M35: 47,824,794 km (0.098 R)
• M36: 51,699,977 km (0.041 R)
• M37: 53,544,070 km (0.071 R)
• M38: 55,258,162 km (0.047 R)
• M39: 57,540,727 km (0.041 R)
• M40: 58,615,139 km (0.102 R)
• M41: 63,235,768 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 742.5

Radius: 5.3

Gravity: 26.43 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 7.58 AU - 9.74 AU

Year: 17591 Days

Day: 22.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,750,918 km

• M1: 73,303 km (0.11 R)
• M2: 254,316 km (0.094 R)
• M3: 463,454 km (0.075 R)
• M4: 949,498 km (0.081 R)
• M5: 1,159,383 km (0.115 R)
• M6: 1,796,222 km (0.116 R)
• M7: 2,040,365 km (0.087 R)
• M8: 2,785,213 km (0.046 R)
• M9: 4,757,811 km (0.089 R)
• M10: 5,414,994 km (0.109 R)
• M11: 6,089,381 km (0.037 R)
• M12: 6,425,528 km (0.069 R)
• M13: 7,651,931 km (0.039 R)
• M14: 8,294,753 km (0.11 R)
• M15: 8,603,224 km (0.106 R)
• M16: 11,104,800 km (0.116 R)
• M17: 11,606,401 km (0.102 R)
• M18: 12,123,112 km (0.118 R)
• M19: 18,420,734 km (0.068 R)
• M20: 21,147,005 km (0.083 R)
• M21: 21,529,677 km (0.056 R)
• M22: 22,705,516 km (0.103 R)
• M23: 32,538,135 km (0.111 R)
• M24: 37,461,102 km (0.064 R)
• M25: 37,740,551 km (0.084 R)
• M26: 40,318,122 km (0.073 R)
• M27: 45,502,736 km (0.08 R)
• M28: 46,300,840 km (0.119 R)
• M29: 51,803,499 km (0.056 R)
• M30: 51,976,733 km (0.094 R)
• M31: 52,498,680 km (0.079 R)
• M32: 58,849,409 km (0.111 R)
• M33: 63,488,289 km (0.057 R)
• M34: 70,894,132 km (0.096 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 175 - 11,984 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit