🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.65 AU - 1.01 AU

Year: 278 Days

Day: 13.6 Hours

Environment

Temp: 135 °C

Axial Tilt: 12.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,939,468 km

• M1: 135,685 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.96 AU - 1.52 AU

Year: 507 Days

Day: 36.9 Hours

Environment

Temp: -1 °C

Axial Tilt: 14.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.38 AU - 1.74 AU

Year: 715 Days

Day: 46.7 Hours

Environment

Temp: -45 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.64 AU - 1.76 AU

Year: 814 Days

Day: 31.9 Hours

Environment

Temp: -61 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.63 AU - 2.03 AU

Year: 909 Days

Day: 40 Hours

Environment

Temp: -56 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.27 AU - 4.59 AU

Year: 2860 Days

Day: 46.7 Hours

Environment

Temp: -123 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,939,468 km

• M1: 2,909,230 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.8

Radius: 8.9

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5 AU - 6.88 AU

Year: 5314 Days

Day: 7.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 42,939,468 km

• M1: 336,595 km (0.061 R)
• M2: 451,636 km (0.103 R)
• M3: 604,525 km (0.106 R)
• M4: 699,968 km (0.099 R)
• M5: 826,827 km (0.118 R)
• M6: 934,239 km (0.102 R)
• M7: 1,089,671 km (0.1 R)
• M8: 1,163,273 km (0.056 R)
• M9: 1,378,544 km (0.084 R)
• M10: 1,657,395 km (0.052 R)
• M11: 1,794,875 km (0.078 R)
• M12: 2,401,345 km (0.103 R)
• M13: 2,777,733 km (0.087 R)
• M14: 2,900,404 km (0.051 R)
• M15: 3,236,700 km (0.118 R)
• M16: 3,344,410 km (0.083 R)
• M17: 3,409,485 km (0.11 R)
• M18: 3,969,280 km (0.098 R)
• M19: 4,038,395 km (0.052 R)
• M20: 4,224,644 km (0.103 R)
• M21: 4,366,163 km (0.095 R)
• M22: 4,775,912 km (0.065 R)
• M23: 5,273,774 km (0.078 R)
• M24: 5,400,782 km (0.094 R)
• M25: 5,580,449 km (0.068 R)
• M26: 6,264,710 km (0.079 R)
• M27: 6,399,348 km (0.063 R)
• M28: 6,535,033 km (0.103 R)
• M29: 7,171,273 km (0.112 R)
• M30: 7,425,590 km (0.031 R)
• M31: 7,539,583 km (0.09 R)
• M32: 7,914,027 km (0.089 R)
• M33: 8,294,604 km (0.105 R)
• M34: 8,383,315 km (0.094 R)
• M35: 8,741,303 km (0.088 R)
• M36: 9,226,299 km (0.072 R)
• M37: 9,689,005 km (0.084 R)
• M38: 9,844,886 km (0.097 R)
• M39: 10,064,496 km (0.069 R)
• M40: 10,540,816 km (0.113 R)
• M41: 10,765,512 km (0.079 R)
• M42: 11,122,003 km (0.099 R)
• M43: 11,449,323 km (0.072 R)
• M44: 11,581,119 km (0.112 R)
• M45: 12,180,707 km (0.11 R)
• M46: 12,281,686 km (0.095 R)
• M47: 12,619,927 km (0.086 R)
• M48: 12,687,994 km (0.086 R)
• M49: 13,828,378 km (0.064 R)
• M50: 14,251,142 km (0.093 R)
• M51: 14,571,132 km (0.069 R)
• M52: 15,181,790 km (0.077 R)
• M53: 15,472,010 km (0.092 R)
• M54: 15,800,826 km (0.103 R)
• M55: 15,984,532 km (0.081 R)
• M56: 17,517,013 km (0.116 R)
• M57: 18,051,077 km (0.12 R)
• M58: 18,667,869 km (0.074 R)
• M59: 19,095,869 km (0.094 R)
• M60: 19,252,348 km (0.077 R)
• M61: 19,487,965 km (0.063 R)
• M62: 20,639,569 km (0.116 R)
• M63: 21,690,943 km (0.034 R)
• M64: 22,346,481 km (0.11 R)
• M65: 24,436,812 km (0.1 R)
• M66: 24,606,755 km (0.103 R)
• M67: 24,819,633 km (0.056 R)
• M68: 24,905,054 km (0.08 R)
• M69: 25,033,259 km (0.111 R)
• M70: 25,850,362 km (0.105 R)
• M71: 25,980,064 km (0.063 R)
• M72: 26,938,687 km (0.079 R)
• M73: 28,086,551 km (0.06 R)
• M74: 28,398,313 km (0.056 R)
• M75: 28,621,663 km (0.045 R)
• M76: 28,845,611 km (0.091 R)
• M77: 29,701,909 km (0.025 R)
• M78: 30,429,553 km (0.068 R)
• M79: 30,612,511 km (0.047 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.8

Radius: 8.1

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 7.88 AU - 9.18 AU

Year: 9145 Days

Day: 13.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 42,939,468 km

• M1: 270,024 km (0.055 R)
• M2: 496,067 km (0.094 R)
• M3: 551,268 km (0.061 R)
• M4: 963,111 km (0.091 R)
• M5: 1,106,575 km (0.077 R)
• M6: 1,257,370 km (0.045 R)
• M7: 1,621,192 km (0.109 R)
• M8: 2,016,729 km (0.108 R)
• M9: 2,202,081 km (0.069 R)
• M10: 2,320,712 km (0.096 R)
• M11: 2,589,390 km (0.051 R)
• M12: 2,740,184 km (0.091 R)
• M13: 3,372,235 km (0.111 R)
• M14: 3,537,092 km (0.117 R)
• M15: 4,164,506 km (0.099 R)
• M16: 4,312,009 km (0.116 R)
• M17: 4,431,089 km (0.048 R)
• M18: 4,764,543 km (0.118 R)
• M19: 4,981,011 km (0.112 R)
• M20: 5,137,490 km (0.051 R)
• M21: 5,263,900 km (0.077 R)
• M22: 5,487,699 km (0.069 R)
• M23: 5,584,638 km (0.087 R)
• M24: 6,144,284 km (0.063 R)
• M25: 6,211,304 km (0.048 R)
• M26: 6,550,143 km (0.099 R)
• M27: 7,566,361 km (0.065 R)
• M28: 7,782,829 km (0.119 R)
• M29: 8,406,952 km (0.061 R)
• M30: 8,481,451 km (0.05 R)
• M31: 9,742,113 km (0.076 R)
• M32: 10,574,475 km (0.094 R)
• M33: 10,695,201 km (0.117 R)
• M34: 11,060,369 km (0.119 R)
• M35: 11,142,049 km (0.052 R)
• M36: 11,512,155 km (0.049 R)
• M37: 13,465,903 km (0.073 R)
• M38: 13,596,801 km (0.078 R)
• M39: 13,992,188 km (0.083 R)
• M40: 14,258,023 km (0.116 R)
• M41: 14,346,885 km (0.093 R)
• M42: 14,749,452 km (0.092 R)
• M43: 15,019,925 km (0.045 R)
• M44: 15,428,627 km (0.113 R)
• M45: 16,164,349 km (0.117 R)
• M46: 16,583,074 km (0.075 R)
• M47: 18,149,214 km (0.107 R)
• M48: 18,730,401 km (0.113 R)
• M49: 18,876,559 km (0.117 R)
• M50: 19,121,151 km (0.1 R)
• M51: 19,317,573 km (0.104 R)
• M52: 20,209,775 km (0.114 R)
• M53: 20,862,470 km (0.088 R)
• M54: 21,420,171 km (0.104 R)
• M55: 21,471,184 km (0.063 R)
• M56: 21,573,210 km (0.097 R)
• M57: 21,675,235 km (0.099 R)
• M58: 23,646,935 km (0.077 R)
• M59: 24,122,208 km (0.095 R)
• M60: 24,387,594 km (0.084 R)
• M61: 25,513,019 km (0.117 R)
• M62: 25,621,029 km (0.117 R)
• M63: 26,000,559 km (0.091 R)
• M64: 26,327,131 km (0.079 R)
• M65: 26,874,659 km (0.101 R)
• M66: 26,984,614 km (0.047 R)
• M67: 27,925,285 km (0.062 R)
• M68: 28,036,735 km (0.054 R)
• M69: 28,371,685 km (0.081 R)
• M70: 28,427,635 km (0.06 R)
• M71: 28,539,683 km (0.026 R)
• M72: 29,214,968 km (0.11 R)
• M73: 29,838,642 km (0.055 R)
• M74: 30,409,507 km (0.111 R)
• M75: 30,811,177 km (0.111 R)
• M76: 31,503,816 km (0.097 R)
• M77: 31,561,860 km (0.091 R)
• M78: 31,677,798 km (0.03 R)
• M79: 32,085,003 km (0.108 R)
• M80: 32,318,526 km (0.117 R)
• M81: 32,435,362 km (0.065 R)
• M82: 33,790,419 km (0.071 R)
• M83: 33,909,050 km (0.073 R)
• M84: 34,206,451 km (0.096 R)
• M85: 35,585,294 km (0.115 R)
• M86: 38,707,103 km (0.073 R)
• M87: 39,267,047 km (0.111 R)
• M88: 40,143,392 km (0.092 R)
• M89: 41,851,800 km (0.096 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 18,948 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit