🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.54 AU - 0.74 AU

Year: 192 Days

Day: 23.6 Hours

Environment

Temp: 178 °C

Axial Tilt: 48.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 32,889,666 km

• M1: 302,188 km (0.06 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.6 AU - 0.68 AU

Year: 192 Days

Day: 12.4 Hours

Environment

Temp: 208 °C

Axial Tilt: 31.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.85 AU - 1.16 AU

Year: 375 Days

Day: 39 Hours

Environment

Temp: 17 °C

Axial Tilt: 17.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.18 AU - 1.3 AU

Year: 517 Days

Day: 15 Hours

Environment

Temp: 4 °C

Axial Tilt: 33.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 32,889,666 km

• M1: 457,919 km (0.097 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.25 AU - 2.05 AU

Year: 794 Days

Day: 14.7 Hours

Environment

Temp: -54 °C

Axial Tilt: 47.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,889,666 km

• M1: 280,346 km (0.058 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.28 AU - 2.04 AU

Year: 801 Days

Day: 30.2 Hours

Environment

Temp: -66 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 32,889,666 km

• M1: 404,662 km (0.095 R)
• M2: 436,826 km (0.051 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.6

Radius: 8.9

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.65 AU - 4.77 AU

Year: 3831 Days

Day: 5.9 Hours

Environment

Temp: -149 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 32,889,666 km

• M1: 111,002 km (0.076 R)
• M2: 173,234 km (0.053 R)
• M3: 287,677 km (0.047 R)
• M4: 349,461 km (0.108 R)
• M5: 460,163 km (0.114 R)
• M6: 573,259 km (0.079 R)
• M7: 650,601 km (0.091 R)
• M8: 725,849 km (0.115 R)
• M9: 963,709 km (0.114 R)
• M10: 1,030,580 km (0.112 R)
• M11: 1,306,588 km (0.054 R)
• M12: 1,418,936 km (0.118 R)
• M13: 1,542,504 km (0.116 R)
• M14: 1,702,125 km (0.066 R)
• M15: 1,775,876 km (0.107 R)
• M16: 2,125,038 km (0.074 R)
• M17: 2,222,426 km (0.119 R)
• M18: 2,486,317 km (0.064 R)
• M19: 2,702,934 km (0.104 R)
• M20: 2,945,432 km (0.084 R)
• M21: 3,064,363 km (0.04 R)
• M22: 3,144,547 km (0.078 R)
• M23: 3,389,289 km (0.11 R)
• M24: 3,534,998 km (0.09 R)
• M25: 3,619,221 km (0.115 R)
• M26: 3,768,221 km (0.055 R)
• M27: 4,463,701 km (0.099 R)
• M28: 4,577,695 km (0.04 R)
• M29: 4,750,630 km (0.09 R)
• M30: 4,832,011 km (0.089 R)
• M31: 4,890,504 km (0.101 R)
• M32: 5,174,441 km (0.105 R)
• M33: 5,246,248 km (0.119 R)
• M34: 5,403,026 km (0.076 R)
• M35: 5,585,835 km (0.111 R)
• M36: 5,647,170 km (0.11 R)
• M37: 5,745,905 km (0.059 R)
• M38: 5,932,603 km (0.095 R)
• M39: 6,045,549 km (0.079 R)
• M40: 6,465,919 km (0.113 R)
• M41: 6,608,187 km (0.071 R)
• M42: 6,816,876 km (0.11 R)
• M43: 6,988,165 km (0.051 R)
• M44: 7,227,522 km (0.079 R)
• M45: 7,321,320 km (0.078 R)
• M46: 7,550,953 km (0.076 R)
• M47: 7,687,236 km (0.068 R)
• M48: 7,851,644 km (0.073 R)
• M49: 8,240,150 km (0.112 R)
• M50: 8,493,120 km (0.109 R)
• M51: 9,035,562 km (0.093 R)
• M52: 9,093,456 km (0.091 R)
• M53: 9,530,581 km (0.103 R)
• M54: 9,840,698 km (0.063 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.4

Radius: 12.7

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 4.64 AU - 5.86 AU

Year: 4508 Days

Day: 8.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 32,889,666 km

• M1: 197,170 km (0.06 R)
• M2: 340,634 km (0.07 R)
• M3: 456,722 km (0.091 R)
• M4: 584,928 km (0.077 R)
• M5: 668,852 km (0.111 R)
• M6: 813,214 km (0.084 R)
• M7: 1,009,636 km (0.093 R)
• M8: 1,171,501 km (0.113 R)
• M9: 1,304,643 km (0.102 R)
• M10: 1,427,463 km (0.059 R)
• M11: 1,760,468 km (0.084 R)
• M12: 1,940,883 km (0.119 R)
• M13: 2,136,557 km (0.104 R)
• M14: 2,320,263 km (0.084 R)
• M15: 2,576,674 km (0.036 R)
• M16: 2,693,659 km (0.118 R)
• M17: 3,076,181 km (0.105 R)
• M18: 3,221,590 km (0.084 R)
• M19: 3,305,664 km (0.117 R)
• M20: 3,401,257 km (0.078 R)
• M21: 3,584,365 km (0.076 R)
• M22: 3,915,425 km (0.039 R)
• M23: 4,096,139 km (0.101 R)
• M24: 4,176,025 km (0.11 R)
• M25: 4,256,508 km (0.063 R)
• M26: 4,349,109 km (0.08 R)
• M27: 4,501,101 km (0.059 R)
• M28: 4,583,679 km (0.101 R)
• M29: 4,762,299 km (0.107 R)
• M30: 5,102,185 km (0.087 R)
• M31: 5,312,370 km (0.107 R)
• M32: 5,563,395 km (0.081 R)
• M33: 6,155,504 km (0.055 R)
• M34: 6,352,973 km (0.115 R)
• M35: 6,619,706 km (0.093 R)
• M36: 6,767,808 km (0.098 R)
• M37: 6,903,643 km (0.12 R)
• M38: 7,136,417 km (0.115 R)
• M39: 7,302,321 km (0.06 R)
• M40: 7,595,832 km (0.116 R)
• M41: 7,850,597 km (0.039 R)
• M42: 7,964,591 km (0.113 R)
• M43: 8,237,906 km (0.073 R)
• M44: 8,339,333 km (0.086 R)
• M45: 8,499,553 km (0.107 R)
• M46: 8,587,516 km (0.052 R)
• M47: 9,528,188 km (0.118 R)
• M48: 9,619,592 km (0.099 R)
• M49: 9,711,146 km (0.034 R)
• M50: 9,879,892 km (0.117 R)
• M51: 10,282,610 km (0.105 R)
• M52: 10,564,602 km (0.087 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.3

Radius: 9.8

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.49 AU - 6.89 AU

Year: 6484 Days

Day: 6.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 32,889,666 km

• M1: 170,392 km (0.057 R)
• M2: 384,018 km (0.09 R)
• M3: 615,595 km (0.042 R)
• M4: 835,654 km (0.116 R)
• M5: 1,127,220 km (0.042 R)
• M6: 1,570,030 km (0.026 R)
• M7: 1,657,844 km (0.119 R)
• M8: 2,063,703 km (0.085 R)
• M9: 2,160,343 km (0.113 R)
• M10: 2,318,019 km (0.066 R)
• M11: 2,479,734 km (0.108 R)
• M12: 3,030,703 km (0.076 R)
• M13: 3,118,966 km (0.052 R)
• M14: 3,665,746 km (0.096 R)
• M15: 3,807,266 km (0.082 R)
• M16: 3,950,581 km (0.089 R)
• M17: 4,366,163 km (0.093 R)
• M18: 4,873,151 km (0.096 R)
• M19: 5,028,882 km (0.101 R)
• M20: 5,212,738 km (0.115 R)
• M21: 5,695,789 km (0.116 R)
• M22: 6,025,653 km (0.073 R)
• M23: 6,137,103 km (0.1 R)
• M24: 6,361,949 km (0.103 R)
• M25: 6,503,917 km (0.033 R)
• M26: 6,704,378 km (0.12 R)
• M27: 7,023,470 km (0.073 R)
• M28: 7,111,434 km (0.065 R)
• M29: 7,318,029 km (0.104 R)
• M30: 7,858,376 km (0.053 R)
• M31: 7,949,631 km (0.092 R)
• M32: 8,630,152 km (0.107 R)
• M33: 8,724,398 km (0.102 R)
• M34: 9,685,565 km (0.111 R)
• M35: 10,013,483 km (0.095 R)
• M36: 10,411,713 km (0.032 R)
• M37: 10,713,900 km (0.053 R)
• M38: 10,984,822 km (0.108 R)
• M39: 11,326,803 km (0.085 R)
• M40: 11,707,081 km (0.06 R)
• M41: 11,776,644 km (0.101 R)
• M42: 12,800,940 km (0.088 R)
• M43: 13,305,683 km (0.07 R)
• M44: 13,451,093 km (0.108 R)
• M45: 14,223,167 km (0.101 R)
• M46: 14,409,117 km (0.052 R)
• M47: 14,595,965 km (0.109 R)
• M48: 14,670,764 km (0.034 R)
• M49: 15,236,842 km (0.107 R)
• M50: 15,503,575 km (0.099 R)
• M51: 16,234,959 km (0.108 R)
• M52: 16,468,332 km (0.111 R)
• M53: 16,938,369 km (0.091 R)
• M54: 17,492,180 km (0.114 R)
• M55: 18,780,666 km (0.07 R)
• M56: 18,984,718 km (0.094 R)
• M57: 19,271,646 km (0.042 R)
• M58: 19,395,065 km (0.118 R)
• M59: 19,559,922 km (0.06 R)
• M60: 20,391,835 km (0.118 R)
• M61: 20,475,610 km (0.114 R)
• M62: 21,405,211 km (0.059 R)
• M63: 21,532,968 km (0.067 R)
• M64: 22,521,511 km (0.113 R)
• M65: 23,174,057 km (0.085 R)
• M66: 23,392,918 km (0.027 R)
• M67: 23,788,754 km (0.088 R)
• M68: 24,497,848 km (0.049 R)
• M69: 26,529,238 km (0.079 R)
• M70: 26,941,978 km (0.045 R)
• M71: 27,125,984 km (0.07 R)
• M72: 27,449,265 km (0.11 R)
• M73: 28,801,779 km (0.087 R)
• M74: 28,990,123 km (0.119 R)
• M75: 29,226,038 km (0.076 R)
• M76: 29,462,553 km (0.051 R)
• M77: 30,606,827 km (0.118 R)
• M78: 30,895,251 km (0.11 R)
• M79: 31,136,254 km (0.047 R)
• M80: 31,717,142 km (0.055 R)
• M81: 32,252,703 km (0.109 R)
• M82: 32,399,308 km (0.117 R)
• M83: 32,595,132 km (0.071 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 483 - 17,205 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit