🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.62 AU - 0.78 AU

Year: 212 Days

Day: 25.7 Hours

Environment

Temp: 177 °C

Axial Tilt: 15 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.06 AU - 1.24 AU

Year: 446 Days

Day: 29 Hours

Environment

Temp: 1 °C

Axial Tilt: 4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 81,781,825 km

• M1: 453,132 km (0.095 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.43 AU - 1.93 AU

Year: 788 Days

Day: 29.7 Hours

Environment

Temp: -55 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,781,825 km

• M1: 67,917 km (0.118 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.71 AU - 2.33 AU

Year: 1038 Days

Day: 12.5 Hours

Environment

Temp: -58 °C

Axial Tilt: 49.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 81,781,825 km

• M1: 42,187 km (0.119 R)
• M2: 226,342 km (0.087 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.22 AU - 3.12 AU

Year: 1578 Days

Day: 32.1 Hours

Environment

Temp: -82 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.64 AU - 3.22 AU

Year: 1814 Days

Day: 32.8 Hours

Environment

Temp: -97 °C

Axial Tilt: 18.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.9

Radius: 9.1

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.38 AU - 6.98 AU

Year: 5556 Days

Day: 7.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,781,825 km

• M1: 113,246 km (0.027 R)
• M2: 397,182 km (0.11 R)
• M3: 812,466 km (0.118 R)
• M4: 1,489,097 km (0.07 R)
• M5: 1,821,653 km (0.062 R)
• M6: 2,399,999 km (0.066 R)
• M7: 3,236,400 km (0.07 R)
• M8: 3,840,477 km (0.074 R)
• M9: 4,341,480 km (0.099 R)
• M10: 4,630,802 km (0.116 R)
• M11: 5,052,518 km (0.12 R)
• M12: 7,276,590 km (0.08 R)
• M13: 10,396,005 km (0.084 R)
• M14: 11,921,754 km (0.117 R)
• M15: 12,358,430 km (0.078 R)
• M16: 14,457,437 km (0.043 R)
• M17: 16,140,413 km (0.081 R)
• M18: 16,567,216 km (0.084 R)
• M19: 17,950,099 km (0.038 R)
• M20: 18,466,212 km (0.114 R)
• M21: 21,006,832 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.4

Radius: 13.3

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 5.29 AU - 8.47 AU

Year: 6526 Days

Day: 15 Hours

Environment

Temp: -163 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 81,781,825 km

• M1: 168,597 km (0.088 R)
• M2: 749,336 km (0.062 R)
• M3: 1,647,222 km (0.11 R)
• M4: 2,136,258 km (0.119 R)
• M5: 2,648,032 km (0.116 R)
• M6: 4,376,486 km (0.061 R)
• M7: 5,240,413 km (0.09 R)
• M8: 5,952,649 km (0.076 R)
• M9: 6,870,133 km (0.074 R)
• M10: 8,648,103 km (0.029 R)
• M11: 9,115,447 km (0.081 R)
• M12: 9,962,321 km (0.095 R)
• M13: 11,056,928 km (0.116 R)
• M14: 13,883,281 km (0.113 R)
• M15: 14,584,596 km (0.077 R)
• M16: 16,896,780 km (0.086 R)
• M17: 17,427,254 km (0.091 R)
• M18: 18,591,275 km (0.106 R)
• M19: 19,443,834 km (0.079 R)
• M20: 22,315,963 km (0.053 R)
• M21: 25,807,577 km (0.111 R)
• M22: 26,422,874 km (0.053 R)
• M23: 30,323,040 km (0.036 R)
• M24: 31,206,116 km (0.106 R)
• M25: 32,410,079 km (0.07 R)
• M26: 33,749,280 km (0.028 R)
• M27: 34,485,301 km (0.066 R)
• M28: 35,447,515 km (0.102 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.5

Radius: 10.8

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 9.92 AU - 12.94 AU

Year: 13975 Days

Day: 15 Hours

Environment

Temp: -174 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,781,825 km

• M1: 134,788 km (0.098 R)
• M2: 644,916 km (0.066 R)
• M3: 1,003,353 km (0.108 R)
• M4: 2,462,531 km (0.083 R)
• M5: 3,143,051 km (0.096 R)
• M6: 3,710,925 km (0.118 R)
• M7: 4,126,657 km (0.119 R)
• M8: 4,774,566 km (0.106 R)
• M9: 5,267,640 km (0.107 R)
• M10: 5,678,586 km (0.119 R)
• M11: 6,953,608 km (0.071 R)
• M12: 7,588,202 km (0.107 R)
• M13: 8,064,821 km (0.086 R)
• M14: 9,781,307 km (0.068 R)
• M15: 10,695,799 km (0.111 R)
• M16: 11,053,039 km (0.101 R)
• M17: 14,348,979 km (0.094 R)
• M18: 16,376,778 km (0.048 R)
• M19: 20,350,846 km (0.041 R)
• M20: 24,925,399 km (0.067 R)
• M21: 27,395,708 km (0.037 R)
• M22: 28,632,883 km (0.115 R)
• M23: 31,218,682 km (0.107 R)
• M24: 36,580,270 km (0.095 R)
• M25: 38,356,744 km (0.111 R)
• M26: 40,477,145 km (0.071 R)
• M27: 41,639,371 km (0.028 R)
• M28: 43,273,578 km (0.09 R)
• M29: 44,796,035 km (0.101 R)
• M30: 47,305,689 km (0.086 R)
• M31: 50,073,549 km (0.09 R)
• M32: 59,392,898 km (0.102 R)
• M33: 62,803,580 km (0.103 R)
• M34: 66,142,604 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497.2

Radius: 7.3

Gravity: 9.33 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 14.91 AU - 19.81 AU

Year: 26159 Days

Day: 21.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,781,825 km

• M1: 90,956 km (0.078 R)
• M2: 355,594 km (0.081 R)
• M3: 687,253 km (0.093 R)
• M4: 1,084,734 km (0.092 R)
• M5: 1,336,807 km (0.1 R)
• M6: 2,166,776 km (0.04 R)
• M7: 2,548,101 km (0.089 R)
• M8: 2,792,843 km (0.086 R)
• M9: 3,330,049 km (0.044 R)
• M10: 5,358,297 km (0.049 R)
• M11: 5,887,424 km (0.102 R)
• M12: 7,049,500 km (0.074 R)
• M13: 13,097,593 km (0.106 R)
• M14: 21,808,228 km (0.025 R)
• M15: 27,043,854 km (0.057 R)
• M16: 34,554,266 km (0.102 R)
• M17: 38,857,449 km (0.083 R)
• M18: 58,852,999 km (0.104 R)
• M19: 67,725,798 km (0.12 R)

Kuiper Belt

Range: 30.3 - 57.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 17,985 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit