🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.69 AU - 0.85 AU

Year: 311 Days

Day: 39.7 Hours

Environment

Temp: -57 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.75 AU - 0.83 AU

Year: 323 Days

Day: 20.3 Hours

Environment

Temp: -50 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 93,554,458 km

• M1: 350,807 km (0.073 R)
• M2: 514,317 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.61 AU - 1.01 AU

Year: 335 Days

Day: 34.3 Hours

Environment

Temp: -47 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 93,554,458 km

• M1: 525,238 km (0.078 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.78 AU - 1.04 AU

Year: 399 Days

Day: 41.2 Hours

Environment

Temp: -75 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 93,554,458 km

• M1: 724,951 km (0.082 R)

Planet 5 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.84 AU - 0.98 AU

Year: 399 Days

Day: 16 Hours

Environment

Temp: -78 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.22 AU - 1.98 AU

Year: 931 Days

Day: 37.5 Hours

Environment

Temp: -107 °C

Axial Tilt: 178.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.63 AU - 1.83 AU

Year: 1047 Days

Day: 29.1 Hours

Environment

Temp: -124 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.8

Radius: 14.1

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.18 AU - 3.26 AU

Year: 2064 Days

Day: 5.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 93,554,458 km

• M1: 231,877 km (0.084 R)
• M2: 335,099 km (0.111 R)
• M3: 450,738 km (0.088 R)
• M4: 675,734 km (0.033 R)
• M5: 830,567 km (0.052 R)
• M6: 1,038,060 km (0.099 R)
• M7: 1,207,404 km (0.08 R)
• M8: 1,423,424 km (0.11 R)
• M9: 1,582,745 km (0.036 R)
• M10: 1,700,329 km (0.113 R)
• M11: 1,903,035 km (0.054 R)
• M12: 2,062,805 km (0.067 R)
• M13: 2,166,028 km (0.117 R)
• M14: 2,432,013 km (0.083 R)
• M15: 2,541,518 km (0.117 R)
• M16: 2,708,918 km (0.106 R)
• M17: 2,832,187 km (0.078 R)
• M18: 2,996,296 km (0.084 R)
• M19: 3,203,489 km (0.055 R)
• M20: 3,456,459 km (0.112 R)
• M21: 3,549,209 km (0.105 R)
• M22: 3,684,596 km (0.085 R)
• M23: 3,843,020 km (0.049 R)
• M24: 3,949,982 km (0.093 R)
• M25: 4,945,556 km (0.078 R)
• M26: 5,167,858 km (0.057 R)
• M27: 5,489,643 km (0.115 R)
• M28: 5,622,636 km (0.12 R)
• M29: 5,904,329 km (0.073 R)
• M30: 6,203,076 km (0.046 R)
• M31: 6,329,187 km (0.102 R)
• M32: 6,481,477 km (0.076 R)
• M33: 6,609,384 km (0.088 R)
• M34: 6,725,322 km (0.071 R)
• M35: 7,050,697 km (0.097 R)
• M36: 7,381,309 km (0.053 R)
• M37: 7,852,841 km (0.113 R)
• M38: 8,085,316 km (0.09 R)
• M39: 8,473,373 km (0.085 R)
• M40: 8,697,919 km (0.118 R)
• M41: 8,938,622 km (0.1 R)
• M42: 9,997,476 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 925.2

Radius: 7.6

Gravity: 16.02 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 10.68 AU - 16.82 AU

Year: 23462 Days

Day: 23 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 93,554,458 km

• M1: 399,426 km (0.117 R)
• M2: 732,880 km (0.096 R)
• M3: 957,127 km (0.073 R)
• M4: 1,468,154 km (0.101 R)
• M5: 1,715,289 km (0.111 R)
• M6: 2,451,610 km (0.111 R)
• M7: 3,274,398 km (0.072 R)
• M8: 3,504,181 km (0.116 R)
• M9: 5,201,518 km (0.109 R)
• M10: 5,687,711 km (0.091 R)
• M11: 5,797,815 km (0.09 R)
• M12: 5,908,518 km (0.05 R)
• M13: 6,530,097 km (0.057 R)
• M14: 6,703,331 km (0.12 R)
• M15: 7,291,400 km (0.07 R)
• M16: 7,834,740 km (0.099 R)
• M17: 8,705,848 km (0.107 R)
• M18: 8,832,857 km (0.077 R)
• M19: 10,336,315 km (0.105 R)
• M20: 10,877,710 km (0.065 R)
• M21: 11,014,442 km (0.036 R)
• M22: 11,358,966 km (0.098 R)
• M23: 11,987,876 km (0.109 R)
• M24: 12,200,155 km (0.118 R)
• M25: 12,916,280 km (0.105 R)
• M26: 12,988,686 km (0.051 R)
• M27: 14,015,974 km (0.077 R)
• M28: 15,528,409 km (0.068 R)
• M29: 16,460,553 km (0.102 R)
• M30: 16,696,319 km (0.119 R)
• M31: 17,092,006 km (0.101 R)
• M32: 18,786,949 km (0.108 R)
• M33: 19,115,766 km (0.064 R)
• M34: 19,446,526 km (0.107 R)
• M35: 20,197,807 km (0.076 R)
• M36: 20,450,328 km (0.117 R)
• M37: 20,873,540 km (0.114 R)
• M38: 21,214,175 km (0.117 R)
• M39: 21,556,604 km (0.108 R)
• M40: 22,246,999 km (0.119 R)
• M41: 22,857,208 km (0.11 R)
• M42: 23,120,351 km (0.051 R)
• M43: 23,384,391 km (0.099 R)
• M44: 23,826,902 km (0.096 R)
• M45: 25,989,040 km (0.051 R)
• M46: 26,631,413 km (0.116 R)
• M47: 28,401,305 km (0.113 R)
• M48: 34,434,587 km (0.078 R)
• M49: 37,697,317 km (0.075 R)
• M50: 40,208,317 km (0.119 R)
• M51: 40,314,083 km (0.087 R)
• M52: 40,950,772 km (0.074 R)
• M53: 41,163,799 km (0.092 R)
• M54: 41,804,975 km (0.112 R)
• M55: 42,880,883 km (0.106 R)
• M56: 48,058,166 km (0.065 R)
• M57: 49,071,842 km (0.085 R)
• M58: 50,092,697 km (0.113 R)
• M59: 50,434,379 km (0.07 R)
• M60: 51,235,027 km (0.088 R)
• M61: 51,464,510 km (0.083 R)
• M62: 55,653,549 km (0.04 R)
• M63: 57,311,991 km (0.091 R)
• M64: 57,669,381 km (0.114 R)
• M65: 58,266,875 km (0.096 R)
• M66: 59,347,420 km (0.119 R)
• M67: 59,467,996 km (0.11 R)
• M68: 60,313,523 km (0.106 R)
• M69: 62,751,370 km (0.051 R)
• M70: 62,996,860 km (0.104 R)
• M71: 63,489,037 km (0.068 R)
• M72: 64,353,114 km (0.082 R)
• M73: 67,220,008 km (0.073 R)
• M74: 69,365,541 km (0.072 R)
• M75: 70,638,020 km (0.097 R)
• M76: 70,765,777 km (0.115 R)
• M77: 75,022,135 km (0.096 R)
• M78: 75,152,435 km (0.118 R)
• M79: 75,413,184 km (0.059 R)
• M80: 77,905,485 km (0.088 R)
• M81: 79,095,386 km (0.114 R)
• M82: 79,493,317 km (0.092 R)
• M83: 79,891,995 km (0.081 R)
• M84: 81,627,181 km (0.039 R)
• M85: 81,761,220 km (0.105 R)
• M86: 83,509,720 km (0.118 R)
• M87: 84,185,454 km (0.081 R)
• M88: 88,553,263 km (0.08 R)
• M89: 88,828,822 km (0.097 R)
• M90: 89,242,460 km (0.102 R)
• M91: 90,071,681 km (0.076 R)
• M92: 90,348,736 km (0.086 R)
• M93: 92,295,603 km (0.078 R)
• M94: 93,554,469 km (0.094 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 17,338 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit