🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.46 AU - 0.74 AU

Year: 305 Days

Day: 16.9 Hours

Environment

Temp: -119 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,606,914 km

• M1: 411,993 km (0.116 R)

Asteroid Belt

Center: 1.36 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594.8

Radius: 14.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.74 AU - 2.5 AU

Year: 2025 Days

Day: 12.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,606,914 km

• M1: 184,005 km (0.051 R)
• M2: 642,672 km (0.114 R)
• M3: 1,537,866 km (0.036 R)
• M4: 2,107,834 km (0.075 R)
• M5: 3,145,894 km (0.059 R)
• M6: 4,061,582 km (0.115 R)
• M7: 4,933,738 km (0.072 R)
• M8: 5,856,009 km (0.109 R)
• M9: 6,371,523 km (0.118 R)
• M10: 6,863,999 km (0.12 R)
• M11: 7,550,803 km (0.052 R)
• M12: 8,043,878 km (0.101 R)
• M13: 8,808,023 km (0.109 R)
• M14: 10,949,816 km (0.077 R)
• M15: 11,659,060 km (0.112 R)
• M16: 12,398,821 km (0.07 R)
• M17: 14,496,034 km (0.104 R)
• M18: 15,032,641 km (0.108 R)
• M19: 15,722,287 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.8

Radius: 12.2

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.16 AU - 3.14 AU

Year: 2830 Days

Day: 12.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,606,914 km

• M1: 151,842 km (0.117 R)
• M2: 638,633 km (0.059 R)
• M3: 1,092,812 km (0.106 R)
• M4: 1,907,373 km (0.096 R)
• M5: 2,893,372 km (0.118 R)
• M6: 3,445,837 km (0.07 R)
• M7: 4,192,929 km (0.117 R)
• M8: 4,695,578 km (0.069 R)
• M9: 5,287,686 km (0.119 R)
• M10: 6,478,785 km (0.052 R)
• M11: 7,491,712 km (0.1 R)
• M12: 10,019,916 km (0.111 R)
• M13: 11,207,723 km (0.034 R)
• M14: 13,392,600 km (0.097 R)
• M15: 14,438,738 km (0.1 R)
• M16: 17,292,018 km (0.1 R)
• M17: 17,736,174 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.1

Radius: 8.6

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.1 AU - 3.24 AU

Year: 2862 Days

Day: 8.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 27,606,914 km

• M1: 133,591 km (0.049 R)
• M2: 416,032 km (0.054 R)
• M3: 919,578 km (0.049 R)
• M4: 1,696,440 km (0.064 R)
• M5: 2,567,099 km (0.118 R)
• M6: 3,453,916 km (0.104 R)
• M7: 5,428,907 km (0.109 R)
• M8: 7,465,532 km (0.054 R)
• M9: 8,254,212 km (0.04 R)
• M10: 9,932,999 km (0.087 R)
• M11: 11,935,666 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823

Radius: 10.6

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.4 AU - 3.56 AU

Year: 3375 Days

Day: 6.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 27,606,914 km

• M1: 132,245 km (0.116 R)
• M2: 688,599 km (0.11 R)
• M3: 1,448,257 km (0.12 R)
• M4: 2,126,384 km (0.114 R)
• M5: 2,748,262 km (0.116 R)
• M6: 3,409,934 km (0.116 R)
• M7: 5,126,420 km (0.077 R)
• M8: 5,874,409 km (0.046 R)
• M9: 6,216,689 km (0.117 R)
• M10: 9,074,457 km (0.099 R)
• M11: 10,663,187 km (0.074 R)
• M12: 11,347,896 km (0.098 R)
• M13: 12,900,273 km (0.086 R)
• M14: 14,230,348 km (0.105 R)
• M15: 15,487,419 km (0.1 R)
• M16: 17,276,908 km (0.081 R)
• M17: 17,863,332 km (0.065 R)
• M18: 19,325,053 km (0.095 R)
• M19: 20,407,543 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.1

Radius: 11

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.38 AU - 4.08 AU

Year: 4726 Days

Day: 9.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,606,914 km

• M1: 137,331 km (0.104 R)
• M2: 499,806 km (0.116 R)
• M3: 943,514 km (0.054 R)
• M4: 1,361,789 km (0.102 R)
• M5: 1,712,596 km (0.047 R)
• M6: 3,058,828 km (0.107 R)
• M7: 3,842,870 km (0.109 R)
• M8: 4,631,251 km (0.055 R)
• M9: 5,277,364 km (0.088 R)
• M10: 6,685,828 km (0.084 R)
• M11: 7,273,897 km (0.079 R)
• M12: 7,684,843 km (0.037 R)
• M13: 8,857,391 km (0.078 R)
• M14: 10,790,345 km (0.06 R)
• M15: 11,832,444 km (0.061 R)
• M16: 12,210,178 km (0.101 R)
• M17: 12,989,882 km (0.07 R)
• M18: 16,386,053 km (0.045 R)
• M19: 21,151,045 km (0.054 R)
• M20: 23,810,895 km (0.092 R)
• M21: 24,719,403 km (0.087 R)
• M22: 25,808,325 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.1

Radius: 9.3

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.95 AU - 4.95 AU

Year: 6158 Days

Day: 8.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 142.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,606,914 km

• M1: 125,064 km (0.106 R)
• M2: 416,480 km (0.119 R)
• M3: 779,255 km (0.044 R)
• M4: 1,186,610 km (0.116 R)
• M5: 1,875,060 km (0.111 R)
• M6: 3,099,369 km (0.12 R)
• M7: 3,958,958 km (0.069 R)
• M8: 4,301,836 km (0.062 R)
• M9: 7,121,457 km (0.069 R)
• M10: 10,986,916 km (0.077 R)
• M11: 11,528,910 km (0.061 R)
• M12: 12,183,699 km (0.102 R)
• M13: 13,516,018 km (0.085 R)
• M14: 18,094,162 km (0.114 R)
• M15: 18,532,633 km (0.075 R)
• M16: 19,106,790 km (0.118 R)
• M17: 19,692,765 km (0.075 R)
• M18: 21,803,142 km (0.037 R)
• M19: 24,974,168 km (0.065 R)
• M20: 26,629,019 km (0.113 R)
• M21: 27,442,233 km (0.076 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 228 - 16,111 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit