🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.88

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.6 AU - 0.84 AU

Year: 227 Days

Day: 16.4 Hours

Environment

Temp: 162 °C

Axial Tilt: 27.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.77 AU - 0.95 AU

Year: 296 Days

Day: 45.1 Hours

Environment

Temp: 121 °C

Axial Tilt: 18.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.22

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.67 AU - 1.07 AU

Year: 301 Days

Day: 24.6 Hours

Environment

Temp: 118 °C

Axial Tilt: 42.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 74,655,576 km

• M1: 546,780 km (0.072 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.63 AU - 2.71 AU

Year: 1185 Days

Day: 46.9 Hours

Environment

Temp: -84 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,655,576 km

• M1: 262,245 km (0.073 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.06 AU - 4.14 AU

Year: 3079 Days

Day: 47.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 13.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.47 AU - 4.95 AU

Year: 3204 Days

Day: 20 Hours

Environment

Temp: -125 °C

Axial Tilt: 32.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.18 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 14.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664.2

Radius: 6

Gravity: 18.45 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 11.19 AU - 17.11 AU

Year: 19740 Days

Day: 19.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 74,655,576 km

• M1: 138,228 km (0.047 R)
• M2: 334,800 km (0.101 R)
• M3: 1,310,627 km (0.095 R)
• M4: 1,576,014 km (0.099 R)
• M5: 2,155,855 km (0.079 R)
• M6: 2,721,634 km (0.036 R)
• M7: 3,291,901 km (0.112 R)
• M8: 3,410,233 km (0.105 R)
• M9: 3,651,385 km (0.112 R)
• M10: 4,278,050 km (0.106 R)
• M11: 4,450,836 km (0.09 R)
• M12: 4,494,369 km (0.068 R)
• M13: 5,770,139 km (0.037 R)
• M14: 6,009,197 km (0.11 R)
• M15: 6,996,992 km (0.098 R)
• M16: 7,303,218 km (0.032 R)
• M17: 7,823,071 km (0.116 R)
• M18: 8,898,381 km (0.089 R)
• M19: 9,621,836 km (0.098 R)
• M20: 9,962,171 km (0.05 R)
• M21: 10,596,167 km (0.093 R)
• M22: 11,541,625 km (0.114 R)
• M23: 11,963,791 km (0.036 R)
• M24: 12,268,222 km (0.118 R)
• M25: 12,329,557 km (0.106 R)
• M26: 12,390,892 km (0.093 R)
• M27: 12,760,998 km (0.09 R)
• M28: 13,638,539 km (0.076 R)
• M29: 14,148,817 km (0.101 R)
• M30: 14,860,454 km (0.081 R)
• M31: 15,187,774 km (0.117 R)
• M32: 18,519,319 km (0.099 R)
• M33: 20,157,715 km (0.063 R)
• M34: 20,665,599 km (0.094 R)
• M35: 22,438,334 km (0.074 R)
• M36: 23,040,017 km (0.12 R)
• M37: 24,105,752 km (0.039 R)
• M38: 24,799,288 km (0.118 R)
• M39: 24,954,271 km (0.102 R)
• M40: 26,919,090 km (0.111 R)
• M41: 27,558,172 km (0.119 R)
• M42: 29,423,358 km (0.115 R)
• M43: 29,669,596 km (0.07 R)
• M44: 30,329,772 km (0.092 R)
• M45: 32,508,216 km (0.069 R)
• M46: 33,616,287 km (0.113 R)
• M47: 34,131,951 km (0.027 R)
• M48: 34,390,606 km (0.103 R)
• M49: 34,910,159 km (0.071 R)
• M50: 35,345,040 km (0.091 R)
• M51: 36,308,151 km (0.101 R)
• M52: 36,925,542 km (0.107 R)
• M53: 37,191,078 km (0.055 R)
• M54: 37,635,234 km (0.079 R)
• M55: 38,170,645 km (0.112 R)
• M56: 38,888,266 km (0.031 R)
• M57: 40,063,955 km (0.094 R)
• M58: 41,526,873 km (0.096 R)
• M59: 42,264,839 km (0.06 R)
• M60: 42,914,244 km (0.082 R)
• M61: 43,379,942 km (0.103 R)
• M62: 44,881,904 km (0.119 R)
• M63: 46,019,297 km (0.105 R)
• M64: 48,129,375 km (0.101 R)
• M65: 50,074,746 km (0.116 R)
• M66: 50,466,842 km (0.066 R)
• M67: 50,761,699 km (0.062 R)
• M68: 51,748,447 km (0.118 R)
• M69: 54,343,521 km (0.101 R)
• M70: 56,368,328 km (0.059 R)
• M71: 57,185,132 km (0.075 R)
• M72: 58,314,596 km (0.118 R)
• M73: 58,830,559 km (0.116 R)
• M74: 59,244,347 km (0.111 R)
• M75: 60,491,395 km (0.078 R)
• M76: 60,909,072 km (0.104 R)
• M77: 61,118,210 km (0.055 R)
• M78: 61,852,137 km (0.113 R)
• M79: 62,800,139 km (0.079 R)
• M80: 62,905,755 km (0.09 R)
• M81: 63,011,521 km (0.102 R)
• M82: 63,646,863 km (0.105 R)
• M83: 64,071,571 km (0.101 R)
• M84: 64,284,299 km (0.09 R)
• M85: 67,071,158 km (0.092 R)
• M86: 68,045,040 km (0.058 R)
• M87: 70,116,223 km (0.111 R)
• M88: 70,445,039 km (0.067 R)
• M89: 71,765,839 km (0.042 R)
• M90: 72,429,305 km (0.057 R)
• M91: 72,983,864 km (0.043 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 366 - 14,319 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit