🌌 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: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.61 AU - 0.83 AU

Year: 222 Days

Day: 46.7 Hours

Environment

Temp: 191 °C

Axial Tilt: 51.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 25,850,526 km

• M1: 285,134 km (0.047 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.76 AU - 1.26 AU

Year: 369 Days

Day: 33.9 Hours

Environment

Temp: 27 °C

Axial Tilt: 23.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 25,850,526 km

• M1: 515,065 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.01 AU - 1.33 AU

Year: 460 Days

Day: 18.4 Hours

Environment

Temp: 6 °C

Axial Tilt: 39.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 25,850,526 km

• M1: 211,531 km (0.09 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.42 AU - 3.9 AU

Year: 2042 Days

Day: 36.5 Hours

Environment

Temp: -114 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.94 AU - 5.2 AU

Year: 3551 Days

Day: 17.1 Hours

Environment

Temp: -128 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 25,850,526 km

• M1: 106,364 km (0.038 R)
• M2: 2,069,088 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.2

Radius: 8.2

Gravity: 7.9 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 7.17 AU - 9.59 AU

Year: 8816 Days

Day: 7.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 25,850,526 km

• M1: 130,898 km (0.085 R)
• M2: 183,706 km (0.084 R)
• M3: 271,371 km (0.089 R)
• M4: 344,075 km (0.074 R)
• M5: 474,674 km (0.111 R)
• M6: 567,126 km (0.091 R)
• M7: 666,159 km (0.091 R)
• M8: 898,634 km (0.12 R)
• M9: 1,050,327 km (0.077 R)
• M10: 1,417,739 km (0.09 R)
• M11: 1,535,473 km (0.077 R)
• M12: 1,823,000 km (0.099 R)
• M13: 2,217,639 km (0.066 R)
• M14: 2,883,050 km (0.089 R)
• M15: 3,008,114 km (0.059 R)
• M16: 3,186,285 km (0.087 R)
• M17: 3,263,777 km (0.111 R)
• M18: 4,412,539 km (0.058 R)
• M19: 4,499,006 km (0.104 R)
• M20: 4,703,058 km (0.118 R)
• M21: 5,059,998 km (0.112 R)
• M22: 5,674,098 km (0.101 R)
• M23: 6,182,431 km (0.1 R)
• M24: 7,828,157 km (0.111 R)
• M25: 8,464,996 km (0.093 R)
• M26: 8,753,271 km (0.073 R)
• M27: 8,825,826 km (0.113 R)
• M28: 8,971,684 km (0.098 R)
• M29: 10,014,530 km (0.025 R)
• M30: 11,609,692 km (0.101 R)
• M31: 12,172,330 km (0.103 R)
• M32: 12,497,855 km (0.097 R)
• M33: 12,826,073 km (0.116 R)
• M34: 13,199,020 km (0.067 R)
• M35: 13,701,519 km (0.106 R)
• M36: 13,955,237 km (0.12 R)
• M37: 14,082,695 km (0.062 R)
• M38: 14,295,872 km (0.098 R)
• M39: 15,509,559 km (0.077 R)
• M40: 15,685,786 km (0.108 R)
• M41: 16,084,314 km (0.046 R)
• M42: 16,396,675 km (0.111 R)
• M43: 16,531,163 km (0.068 R)
• M44: 16,621,071 km (0.097 R)
• M45: 16,711,129 km (0.041 R)
• M46: 16,846,366 km (0.113 R)
• M47: 16,982,051 km (0.053 R)
• M48: 17,118,185 km (0.089 R)
• M49: 17,254,618 km (0.111 R)
• M50: 17,391,351 km (0.105 R)
• M51: 17,758,015 km (0.111 R)
• M52: 18,266,050 km (0.118 R)
• M53: 18,966,766 km (0.039 R)
• M54: 19,486,170 km (0.064 R)
• M55: 19,723,881 km (0.115 R)
• M56: 19,914,618 km (0.035 R)
• M57: 20,442,549 km (0.091 R)
• M58: 20,635,680 km (0.059 R)
• M59: 21,414,187 km (0.116 R)
• M60: 21,905,616 km (0.072 R)
• M61: 22,500,268 km (0.095 R)
• M62: 22,949,660 km (0.042 R)
• M63: 23,806,706 km (0.07 R)
• M64: 23,908,283 km (0.11 R)
• M65: 24,366,800 km (0.075 R)
• M66: 24,571,600 km (0.111 R)
• M67: 24,776,998 km (0.064 R)
• M68: 24,931,383 km (0.083 R)
• M69: 26,230,191 km (0.109 R)
• M70: 26,387,568 km (0.089 R)
• M71: 26,861,494 km (0.026 R)
• M72: 28,300,028 km (0.089 R)
• M73: 28,731,169 km (0.096 R)
• M74: 29,599,734 km (0.086 R)
• M75: 29,872,900 km (0.109 R)
• M76: 32,088,594 km (0.054 R)
• M77: 32,313,140 km (0.045 R)
• M78: 33,443,202 km (0.111 R)
• M79: 33,613,894 km (0.078 R)
• M80: 34,184,759 km (0.079 R)
• M81: 34,242,055 km (0.075 R)
• M82: 35,684,029 km (0.104 R)
• M83: 39,705,519 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.2

Radius: 10.6

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.44 AU - 11.28 AU

Year: 10407 Days

Day: 5.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 25,850,526 km

• M1: 140,921 km (0.088 R)
• M2: 227,389 km (0.091 R)
• M3: 519,254 km (0.048 R)
• M4: 649,554 km (0.083 R)
• M5: 758,012 km (0.109 R)
• M6: 1,323,492 km (0.1 R)
• M7: 2,161,689 km (0.065 R)
• M8: 2,677,951 km (0.04 R)
• M9: 2,785,662 km (0.102 R)
• M10: 3,099,219 km (0.107 R)
• M11: 3,231,613 km (0.043 R)
• M12: 3,541,430 km (0.105 R)
• M13: 3,660,211 km (0.079 R)
• M14: 4,273,562 km (0.034 R)
• M15: 4,635,440 km (0.083 R)
• M16: 5,990,647 km (0.061 R)
• M17: 6,227,909 km (0.08 R)
• M18: 7,082,262 km (0.07 R)
• M19: 7,587,006 km (0.044 R)
• M20: 8,234,316 km (0.091 R)
• M21: 9,416,438 km (0.107 R)
• M22: 9,498,866 km (0.106 R)
• M23: 9,581,744 km (0.06 R)
• M24: 9,692,446 km (0.117 R)
• M25: 9,859,397 km (0.091 R)
• M26: 10,055,221 km (0.107 R)
• M27: 10,252,540 km (0.065 R)
• M28: 10,593,624 km (0.111 R)
• M29: 11,141,451 km (0.07 R)
• M30: 11,404,145 km (0.059 R)
• M31: 12,505,634 km (0.032 R)
• M32: 14,047,390 km (0.11 R)
• M33: 14,141,786 km (0.103 R)
• M34: 14,617,058 km (0.076 R)
• M35: 15,355,922 km (0.094 R)
• M36: 15,746,373 km (0.086 R)
• M37: 16,470,426 km (0.056 R)
• M38: 17,509,234 km (0.057 R)
• M39: 17,917,038 km (0.038 R)
• M40: 18,259,318 km (0.084 R)
• M41: 18,742,070 km (0.115 R)
• M42: 18,846,041 km (0.04 R)
• M43: 19,054,580 km (0.084 R)
• M44: 19,124,293 km (0.057 R)
• M45: 19,194,155 km (0.04 R)
• M46: 19,264,017 km (0.036 R)
• M47: 19,439,047 km (0.08 R)
• M48: 19,720,141 km (0.08 R)
• M49: 20,073,491 km (0.038 R)
• M50: 20,357,727 km (0.093 R)
• M51: 21,363,025 km (0.064 R)
• M52: 21,471,633 km (0.113 R)
• M53: 21,580,390 km (0.1 R)
• M54: 22,826,840 km (0.111 R)
• M55: 24,096,477 km (0.078 R)
• M56: 25,273,962 km (0.118 R)
• M57: 25,657,830 km (0.116 R)

Kuiper Belt

Range: 30.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 14,730 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit