🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.54 AU - 0.64 AU

Year: 297 Days

Day: 19.4 Hours

Environment

Temp: -134 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.63 AU - 0.67 AU

Year: 344 Days

Day: 33.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.1

Radius: 12.9

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.68 AU - 1.1 AU

Year: 551 Days

Day: 5.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,440,710 km

• M1: 162,912 km (0.032 R)
• M2: 616,194 km (0.086 R)
• M3: 1,032,225 km (0.046 R)
• M4: 1,479,972 km (0.089 R)
• M5: 2,003,115 km (0.107 R)
• M6: 2,449,815 km (0.078 R)
• M7: 2,921,347 km (0.06 R)
• M8: 3,326,159 km (0.078 R)
• M9: 3,882,214 km (0.104 R)
• M10: 4,700,664 km (0.09 R)
• M11: 5,244,901 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.2

Radius: 9.6

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.01 AU - 3.49 AU

Year: 3844 Days

Day: 11 Hours

Environment

Temp: -215 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,440,710 km

• M1: 119,379 km (0.053 R)
• M2: 728,242 km (0.105 R)
• M3: 1,076,656 km (0.119 R)
• M4: 1,715,140 km (0.025 R)
• M5: 2,153,910 km (0.098 R)
• M6: 3,713,917 km (0.072 R)
• M7: 4,658,478 km (0.114 R)
• M8: 7,843,566 km (0.052 R)
• M9: 8,805,181 km (0.105 R)
• M10: 9,240,511 km (0.11 R)
• M11: 9,843,390 km (0.091 R)
• M12: 10,392,265 km (0.097 R)
• M13: 11,508,265 km (0.038 R)
• M14: 12,702,206 km (0.081 R)
• M15: 15,077,072 km (0.091 R)
• M16: 16,287,917 km (0.04 R)
• M17: 16,668,943 km (0.091 R)
• M18: 18,311,378 km (0.087 R)
• M19: 18,901,990 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.4

Radius: 13.9

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 3.48 AU - 5.78 AU

Year: 6536 Days

Day: 11.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,440,710 km

• M1: 172,935 km (0.104 R)
• M2: 1,142,479 km (0.119 R)
• M3: 1,676,244 km (0.064 R)
• M4: 2,797,031 km (0.116 R)
• M5: 3,435,814 km (0.117 R)
• M6: 5,336,904 km (0.079 R)
• M7: 8,273,959 km (0.092 R)
• M8: 8,955,677 km (0.116 R)
• M9: 9,405,368 km (0.102 R)
• M10: 12,429,040 km (0.079 R)
• M11: 19,750,210 km (0.098 R)
• M12: 22,649,417 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.5

Radius: 9.6

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.58 AU - 5.12 AU

Year: 7007 Days

Day: 5.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 52,440,710 km

• M1: 120,127 km (0.114 R)
• M2: 475,422 km (0.053 R)
• M3: 782,546 km (0.107 R)
• M4: 1,147,416 km (0.106 R)
• M5: 1,575,266 km (0.048 R)
• M6: 1,884,335 km (0.115 R)
• M7: 2,218,237 km (0.116 R)
• M8: 2,682,589 km (0.116 R)
• M9: 3,087,550 km (0.067 R)
• M10: 4,448,891 km (0.102 R)
• M11: 8,303,729 km (0.05 R)
• M12: 8,790,670 km (0.094 R)
• M13: 9,296,460 km (0.107 R)
• M14: 15,597,074 km (0.107 R)
• M15: 15,965,085 km (0.069 R)
• M16: 17,627,267 km (0.078 R)
• M17: 18,093,862 km (0.114 R)
• M18: 18,912,761 km (0.04 R)
• M19: 19,613,926 km (0.054 R)
• M20: 23,542,516 km (0.114 R)
• M21: 24,353,785 km (0.117 R)
• M22: 24,932,729 km (0.111 R)
• M23: 25,861,134 km (0.079 R)
• M24: 26,377,097 km (0.106 R)
• M25: 29,245,636 km (0.068 R)
• M26: 29,805,730 km (0.106 R)
• M27: 30,468,299 km (0.059 R)
• M28: 31,822,609 km (0.115 R)
• M29: 34,547,235 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190

Radius: 4.4

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 8.12 AU - 9.2 AU

Year: 16718 Days

Day: 17.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 52,440,710 km

• M1: 54,753 km (0.11 R)
• M2: 333,154 km (0.109 R)
• M3: 685,757 km (0.093 R)
• M4: 1,051,523 km (0.039 R)
• M5: 1,592,469 km (0.111 R)
• M6: 1,783,207 km (0.073 R)
• M7: 2,022,264 km (0.092 R)
• M8: 2,448,917 km (0.062 R)
• M9: 2,827,250 km (0.039 R)
• M10: 3,085,755 km (0.068 R)
• M11: 6,202,777 km (0.089 R)
• M12: 6,639,154 km (0.114 R)
• M13: 6,789,200 km (0.062 R)
• M14: 7,613,634 km (0.102 R)
• M15: 8,156,375 km (0.105 R)
• M16: 8,546,975 km (0.079 R)
• M17: 9,271,926 km (0.114 R)
• M18: 10,184,922 km (0.066 R)
• M19: 10,586,742 km (0.068 R)
• M20: 16,469,529 km (0.116 R)
• M21: 19,436,503 km (0.117 R)
• M22: 19,976,252 km (0.044 R)
• M23: 20,289,062 km (0.075 R)
• M24: 21,247,386 km (0.08 R)
• M25: 21,491,679 km (0.076 R)
• M26: 22,235,480 km (0.041 R)
• M27: 23,600,111 km (0.03 R)
• M28: 24,659,563 km (0.04 R)
• M29: 25,842,583 km (0.115 R)
• M30: 27,349,932 km (0.119 R)
• M31: 29,516,707 km (0.053 R)
• M32: 30,229,541 km (0.086 R)
• M33: 30,849,475 km (0.099 R)
• M34: 38,963,962 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.7

Radius: 7.4

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7.01 AU - 10.85 AU

Year: 17506 Days

Day: 15.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 137.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 52,440,710 km

• M1: 92,451 km (0.079 R)
• M2: 327,171 km (0.112 R)
• M3: 597,943 km (0.097 R)
• M4: 919,877 km (0.115 R)
• M5: 1,241,214 km (0.071 R)
• M6: 1,922,482 km (0.066 R)
• M7: 2,186,074 km (0.068 R)
• M8: 2,616,766 km (0.094 R)
• M9: 3,056,135 km (0.108 R)
• M10: 3,543,824 km (0.08 R)
• M11: 4,054,102 km (0.034 R)
• M12: 5,596,756 km (0.044 R)
• M13: 5,917,643 km (0.088 R)
• M14: 6,364,641 km (0.112 R)
• M15: 6,674,907 km (0.109 R)
• M16: 7,159,455 km (0.071 R)
• M17: 7,410,331 km (0.109 R)
• M18: 7,710,424 km (0.099 R)
• M19: 9,889,018 km (0.064 R)
• M20: 11,799,682 km (0.059 R)
• M21: 12,387,900 km (0.09 R)
• M22: 12,933,933 km (0.093 R)
• M23: 13,369,562 km (0.087 R)
• M24: 13,622,831 km (0.117 R)
• M25: 17,289,026 km (0.077 R)
• M26: 17,741,559 km (0.117 R)
• M27: 20,041,028 km (0.104 R)
• M28: 22,176,688 km (0.06 R)
• M29: 26,098,545 km (0.045 R)
• M30: 29,808,423 km (0.083 R)
• M31: 32,014,244 km (0.088 R)
• M32: 34,208,395 km (0.08 R)
• M33: 37,120,767 km (0.077 R)
• M34: 37,496,108 km (0.098 R)
• M35: 38,000,402 km (0.084 R)
• M36: 41,927,945 km (0.087 R)
• M37: 49,061,220 km (0.104 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 12,659 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit