🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.49 AU - 0.61 AU

Year: 268 Days

Day: 29.3 Hours

Environment

Temp: -126 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.1

Radius: 11.7

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1 AU - 1.44 AU

Year: 884 Days

Day: 11 Hours

Environment

Temp: -170 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,319,786 km

• M1: 145,708 km (0.062 R)
• M2: 619,934 km (0.118 R)
• M3: 1,089,671 km (0.083 R)
• M4: 1,601,296 km (0.111 R)
• M5: 2,446,673 km (0.035 R)
• M6: 2,934,213 km (0.08 R)
• M7: 3,666,345 km (0.104 R)
• M8: 4,045,874 km (0.076 R)
• M9: 4,715,026 km (0.057 R)
• M10: 5,273,325 km (0.072 R)
• M11: 5,644,178 km (0.093 R)
• M12: 6,032,684 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.9

Radius: 13.1

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.52 AU - 2.36 AU

Year: 1773 Days

Day: 12.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,319,786 km

• M1: 163,062 km (0.055 R)
• M2: 610,659 km (0.112 R)
• M3: 1,092,513 km (0.12 R)
• M4: 1,692,251 km (0.103 R)
• M5: 2,556,029 km (0.09 R)
• M6: 4,472,528 km (0.025 R)
• M7: 5,068,974 km (0.074 R)
• M8: 5,653,004 km (0.09 R)
• M9: 7,679,158 km (0.101 R)
• M10: 9,674,793 km (0.027 R)
• M11: 10,542,910 km (0.119 R)
• M12: 12,471,376 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.8

Radius: 10.7

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.89 AU - 2.33 AU

Year: 2011 Days

Day: 6.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,319,786 km

• M1: 133,142 km (0.085 R)
• M2: 623,225 km (0.113 R)
• M3: 1,187,358 km (0.077 R)
• M4: 1,650,813 km (0.113 R)
• M5: 2,028,547 km (0.114 R)
• M6: 2,515,339 km (0.039 R)
• M7: 2,905,639 km (0.061 R)
• M8: 3,399,163 km (0.069 R)
• M9: 3,775,551 km (0.114 R)
• M10: 4,810,768 km (0.113 R)
• M11: 5,482,164 km (0.081 R)
• M12: 6,730,109 km (0.096 R)
• M13: 8,567,620 km (0.053 R)
• M14: 9,051,868 km (0.094 R)
• M15: 9,682,573 km (0.03 R)
• M16: 10,108,179 km (0.088 R)
• M17: 10,752,646 km (0.102 R)
• M18: 12,161,260 km (0.08 R)
• M19: 13,126,764 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.4

Radius: 14.2

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.71 AU - 2.77 AU

Year: 2975 Days

Day: 14.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,319,786 km

• M1: 176,675 km (0.073 R)
• M2: 821,592 km (0.082 R)
• M3: 1,306,887 km (0.106 R)
• M4: 1,872,068 km (0.077 R)
• M5: 2,484,970 km (0.119 R)
• M6: 3,961,950 km (0.049 R)
• M7: 4,516,659 km (0.069 R)
• M8: 5,076,155 km (0.092 R)
• M9: 5,606,779 km (0.119 R)
• M10: 6,200,981 km (0.044 R)
• M11: 7,010,007 km (0.098 R)
• M12: 8,272,912 km (0.099 R)
• M13: 9,114,400 km (0.111 R)
• M14: 9,901,584 km (0.083 R)
• M15: 10,578,963 km (0.101 R)
• M16: 11,127,090 km (0.103 R)
• M17: 12,322,975 km (0.098 R)
• M18: 13,107,317 km (0.074 R)
• M19: 13,878,344 km (0.064 R)
• M20: 14,488,255 km (0.075 R)
• M21: 16,322,773 km (0.086 R)
• M22: 17,755,921 km (0.045 R)
• M23: 18,813,727 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 58.9

Radius: 7

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.62 AU - 6.92 AU

Year: 10299 Days

Day: 17.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,319,786 km

• M1: 89,310 km (0.117 R)
• M2: 387,907 km (0.077 R)
• M3: 708,795 km (0.104 R)
• M4: 1,504,057 km (0.117 R)
• M5: 1,868,178 km (0.111 R)
• M6: 3,143,650 km (0.084 R)
• M7: 4,523,092 km (0.095 R)
• M8: 4,751,976 km (0.111 R)
• M9: 5,907,321 km (0.092 R)
• M10: 6,349,831 km (0.045 R)
• M11: 7,208,074 km (0.106 R)
• M12: 8,344,120 km (0.058 R)
• M13: 12,960,860 km (0.11 R)
• M14: 13,330,965 km (0.078 R)
• M15: 14,335,814 km (0.108 R)
• M16: 15,134,517 km (0.11 R)
• M17: 16,875,238 km (0.072 R)
• M18: 17,428,152 km (0.106 R)
• M19: 19,278,378 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 242.9

Radius: 7.9

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.94 AU - 7.96 AU

Year: 10746 Days

Day: 21.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,319,786 km

• M1: 145,559 km (0.034 R)
• M2: 486,642 km (0.095 R)
• M3: 885,769 km (0.111 R)
• M4: 1,207,704 km (0.042 R)
• M5: 1,530,685 km (0.08 R)
• M6: 2,269,250 km (0.119 R)
• M7: 2,580,563 km (0.079 R)
• M8: 3,142,602 km (0.118 R)
• M9: 4,403,413 km (0.092 R)
• M10: 10,303,105 km (0.099 R)
• M11: 11,657,863 km (0.095 R)
• M12: 13,402,324 km (0.106 R)
• M13: 14,953,654 km (0.092 R)
• M14: 22,754,435 km (0.114 R)
• M15: 23,633,920 km (0.075 R)
• M16: 26,234,380 km (0.116 R)
• M17: 27,558,621 km (0.066 R)
• M18: 29,863,774 km (0.104 R)
• M19: 31,111,869 km (0.071 R)
• M20: 31,502,768 km (0.118 R)
• M21: 32,394,222 km (0.091 R)
• M22: 33,609,106 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.6

Radius: 7.5

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 7.82 AU - 10.56 AU

Year: 18276 Days

Day: 16.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,319,786 km

• M1: 93,199 km (0.117 R)
• M2: 1,533,677 km (0.119 R)
• M3: 1,846,038 km (0.116 R)
• M4: 4,868,364 km (0.113 R)
• M5: 5,660,783 km (0.063 R)
• M6: 6,248,404 km (0.079 R)
• M7: 8,553,258 km (0.089 R)
• M8: 10,486,362 km (0.09 R)
• M9: 15,046,255 km (0.041 R)
• M10: 17,270,326 km (0.119 R)
• M11: 20,504,632 km (0.077 R)
• M12: 21,233,473 km (0.118 R)
• M13: 21,511,276 km (0.086 R)
• M14: 22,263,754 km (0.033 R)
• M15: 26,827,237 km (0.045 R)
• M16: 35,493,890 km (0.116 R)
• M17: 36,809,753 km (0.064 R)
• M18: 42,399,328 km (0.109 R)
• M19: 56,989,159 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.8

Radius: 5.6

Gravity: 24.96 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 8.11 AU - 11.81 AU

Year: 20620 Days

Day: 22.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 68,319,786 km

• M1: 69,713 km (0.026 R)
• M2: 256,261 km (0.092 R)
• M3: 534,812 km (0.069 R)
• M4: 748,289 km (0.031 R)
• M5: 1,031,029 km (0.112 R)
• M6: 1,277,267 km (0.084 R)
• M7: 1,478,925 km (0.067 R)
• M8: 2,007,304 km (0.101 R)
• M9: 2,702,785 km (0.096 R)
• M10: 2,880,058 km (0.088 R)
• M11: 4,279,247 km (0.043 R)
• M12: 4,734,922 km (0.118 R)
• M13: 6,122,442 km (0.1 R)
• M14: 8,818,196 km (0.119 R)
• M15: 10,331,528 km (0.082 R)
• M16: 10,703,877 km (0.062 R)
• M17: 12,913,737 km (0.078 R)
• M18: 13,418,779 km (0.119 R)
• M19: 15,490,860 km (0.118 R)
• M20: 17,590,914 km (0.111 R)
• M21: 21,234,520 km (0.112 R)
• M22: 23,817,178 km (0.051 R)
• M23: 24,576,088 km (0.089 R)
• M24: 29,102,321 km (0.052 R)
• M25: 29,595,844 km (0.085 R)
• M26: 30,220,565 km (0.058 R)
• M27: 32,278,433 km (0.085 R)
• M28: 44,305,953 km (0.112 R)
• M29: 44,958,947 km (0.028 R)
• M30: 47,976,636 km (0.1 R)
• M31: 52,752,248 km (0.104 R)
• M32: 53,854,785 km (0.096 R)
• M33: 55,160,475 km (0.111 R)
• M34: 55,537,462 km (0.071 R)
• M35: 56,105,933 km (0.099 R)
• M36: 56,487,258 km (0.087 R)
• M37: 59,599,193 km (0.038 R)
• M38: 61,197,198 km (0.099 R)
• M39: 63,028,874 km (0.117 R)
• M40: 66,374,930 km (0.042 R)
• M41: 68,960,729 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 425.5

Radius: 4.5

Gravity: 21.01 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 9.66 AU - 10.88 AU

Year: 21591 Days

Day: 16.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,319,786 km

• M1: 55,950 km (0.079 R)
• M2: 259,852 km (0.108 R)
• M3: 421,866 km (0.117 R)
• M4: 843,882 km (0.095 R)
• M5: 1,917,546 km (0.085 R)
• M6: 2,421,092 km (0.096 R)
• M7: 3,007,964 km (0.11 R)
• M8: 5,077,501 km (0.098 R)
• M9: 7,053,240 km (0.119 R)
• M10: 7,325,808 km (0.115 R)
• M11: 17,617,543 km (0.044 R)
• M12: 20,495,357 km (0.103 R)
• M13: 21,143,714 km (0.112 R)
• M14: 28,396,369 km (0.115 R)
• M15: 32,951,624 km (0.12 R)
• M16: 48,995,547 km (0.12 R)
• M17: 55,319,497 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: 333 - 15,534 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit