🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.46 AU - 0.72 AU

Year: 172 Days

Day: 35.4 Hours

Environment

Temp: 123 °C

Axial Tilt: 33.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 90,776,891 km

• M1: 268,977 km (0.096 R)
• M2: 316,699 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.14 AU - 1.14 AU

Year: 461 Days

Day: 21.2 Hours

Environment

Temp: -18 °C

Axial Tilt: 15.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 90,776,891 km

• M1: 75,846 km (0.051 R)
• M2: 451,187 km (0.071 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.09 AU - 1.39 AU

Year: 523 Days

Day: 12 Hours

Environment

Temp: -27 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 90,776,891 km

• M1: 694,882 km (0.056 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.28 AU - 1.98 AU

Year: 788 Days

Day: 34.1 Hours

Environment

Temp: -54 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.8

Radius: 8.6

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.73 AU - 5.83 AU

Year: 4595 Days

Day: 10.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 90,776,891 km

• M1: 128,654 km (0.108 R)
• M2: 232,924 km (0.106 R)
• M3: 673,190 km (0.053 R)
• M4: 807,081 km (0.116 R)
• M5: 937,679 km (0.104 R)
• M6: 999,613 km (0.106 R)
• M7: 1,114,504 km (0.101 R)
• M8: 1,193,641 km (0.092 R)
• M9: 1,785,301 km (0.076 R)
• M10: 1,894,507 km (0.035 R)
• M11: 2,006,107 km (0.063 R)
• M12: 2,439,492 km (0.051 R)
• M13: 2,846,997 km (0.078 R)
• M14: 2,993,753 km (0.119 R)
• M15: 3,507,621 km (0.114 R)
• M16: 3,645,251 km (0.101 R)
• M17: 3,744,734 km (0.11 R)
• M18: 4,007,727 km (0.1 R)
• M19: 4,193,228 km (0.11 R)
• M20: 4,318,591 km (0.03 R)
• M21: 4,466,244 km (0.086 R)
• M22: 4,658,777 km (0.06 R)
• M23: 4,963,657 km (0.109 R)
• M24: 5,207,651 km (0.12 R)
• M25: 5,433,095 km (0.074 R)
• M26: 5,916,745 km (0.105 R)
• M27: 5,986,907 km (0.051 R)
• M28: 6,128,277 km (0.11 R)
• M29: 6,223,122 km (0.119 R)
• M30: 6,900,501 km (0.103 R)
• M31: 7,298,132 km (0.075 R)
• M32: 7,601,217 km (0.056 R)
• M33: 8,298,343 km (0.108 R)
• M34: 8,747,735 km (0.116 R)
• M35: 8,854,548 km (0.067 R)
• M36: 9,341,041 km (0.105 R)
• M37: 9,725,358 km (0.07 R)
• M38: 10,058,811 km (0.06 R)
• M39: 10,311,482 km (0.105 R)
• M40: 10,623,244 km (0.058 R)
• M41: 11,459,646 km (0.065 R)
• M42: 12,376,980 km (0.091 R)
• M43: 12,497,107 km (0.095 R)
• M44: 12,708,190 km (0.107 R)
• M45: 12,859,732 km (0.099 R)
• M46: 12,950,987 km (0.034 R)
• M47: 13,072,909 km (0.054 R)
• M48: 13,256,466 km (0.057 R)
• M49: 13,688,355 km (0.118 R)
• M50: 13,874,754 km (0.071 R)
• M51: 14,124,732 km (0.043 R)
• M52: 14,281,660 km (0.095 R)
• M53: 15,171,468 km (0.098 R)
• M54: 15,752,805 km (0.047 R)
• M55: 16,079,078 km (0.105 R)
• M56: 16,308,711 km (0.118 R)
• M57: 16,771,268 km (0.073 R)
• M58: 17,574,309 km (0.099 R)
• M59: 18,871,173 km (0.076 R)
• M60: 19,078,815 km (0.107 R)
• M61: 19,217,642 km (0.065 R)
• M62: 19,356,768 km (0.074 R)
• M63: 19,601,061 km (0.106 R)
• M64: 20,163,399 km (0.029 R)
• M65: 20,234,159 km (0.118 R)
• M66: 20,340,224 km (0.085 R)
• M67: 20,517,647 km (0.087 R)
• M68: 20,909,444 km (0.073 R)
• M69: 21,556,156 km (0.1 R)
• M70: 22,136,595 km (0.08 R)
• M71: 22,501,913 km (0.068 R)
• M72: 22,648,519 km (0.052 R)
• M73: 23,535,335 km (0.079 R)
• M74: 23,609,835 km (0.1 R)
• M75: 24,584,316 km (0.101 R)
• M76: 24,924,651 km (0.079 R)
• M77: 25,000,647 km (0.041 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.8

Radius: 6

Gravity: 14.61 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 17.95 AU - 18.73 AU

Year: 29747 Days

Day: 15.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 90,776,891 km

• M1: 139,575 km (0.104 R)
• M2: 293,661 km (0.115 R)
• M3: 331,210 km (0.067 R)
• M4: 593,754 km (0.104 R)
• M5: 1,374,505 km (0.098 R)
• M6: 2,204,474 km (0.08 R)
• M7: 2,362,150 km (0.097 R)
• M8: 2,442,335 km (0.073 R)
• M9: 2,523,566 km (0.053 R)
• M10: 2,605,696 km (0.119 R)
• M11: 3,204,835 km (0.073 R)
• M12: 4,375,139 km (0.07 R)
• M13: 5,238,917 km (0.101 R)
• M14: 5,988,702 km (0.063 R)
• M15: 7,765,177 km (0.05 R)
• M16: 7,885,005 km (0.078 R)
• M17: 8,005,431 km (0.114 R)
• M18: 8,187,342 km (0.112 R)
• M19: 8,555,053 km (0.065 R)
• M20: 8,865,619 km (0.119 R)
• M21: 8,928,300 km (0.052 R)
• M22: 9,370,362 km (0.055 R)
• M23: 10,079,456 km (0.12 R)
• M24: 10,805,753 km (0.107 R)
• M25: 11,276,687 km (0.068 R)
• M26: 11,480,440 km (0.047 R)
• M27: 14,093,316 km (0.083 R)
• M28: 14,681,385 km (0.104 R)
• M29: 14,904,137 km (0.113 R)
• M30: 16,263,084 km (0.086 R)
• M31: 17,819,051 km (0.052 R)
• M32: 17,898,188 km (0.032 R)
• M33: 19,503,224 km (0.063 R)
• M34: 20,323,020 km (0.108 R)
• M35: 20,903,460 km (0.098 R)
• M36: 21,657,733 km (0.086 R)
• M37: 21,742,106 km (0.102 R)
• M38: 22,335,710 km (0.103 R)
• M39: 23,625,693 km (0.084 R)
• M40: 26,007,590 km (0.075 R)
• M41: 26,547,189 km (0.113 R)
• M42: 28,649,787 km (0.12 R)
• M43: 28,928,039 km (0.117 R)
• M44: 29,393,588 km (0.104 R)
• M45: 31,185,471 km (0.061 R)
• M46: 34,479,168 km (0.103 R)
• M47: 36,567,853 km (0.081 R)
• M48: 36,668,383 km (0.077 R)
• M49: 37,475,613 km (0.1 R)
• M50: 38,390,703 km (0.078 R)
• M51: 38,492,729 km (0.075 R)
• M52: 38,697,379 km (0.061 R)
• M53: 39,519,120 km (0.057 R)
• M54: 39,828,787 km (0.102 R)
• M55: 40,554,337 km (0.111 R)
• M56: 42,969,146 km (0.101 R)
• M57: 46,950,245 km (0.102 R)
• M58: 47,716,634 km (0.075 R)
• M59: 47,936,244 km (0.113 R)
• M60: 49,928,888 km (0.09 R)
• M61: 51,835,363 km (0.12 R)
• M62: 57,228,965 km (0.1 R)
• M63: 57,345,651 km (0.073 R)
• M64: 58,164,550 km (0.058 R)
• M65: 58,281,984 km (0.096 R)
• M66: 58,399,269 km (0.086 R)
• M67: 60,051,128 km (0.1 R)
• M68: 62,317,237 km (0.092 R)
• M69: 62,437,215 km (0.076 R)
• M70: 62,918,172 km (0.109 R)
• M71: 64,854,267 km (0.099 R)
• M72: 66,441,650 km (0.108 R)
• M73: 66,809,811 km (0.058 R)
• M74: 67,178,569 km (0.085 R)
• M75: 69,281,317 km (0.086 R)
• M76: 69,405,633 km (0.091 R)
• M77: 70,028,558 km (0.1 R)
• M78: 71,656,782 km (0.04 R)
• M79: 73,677,849 km (0.089 R)
• M80: 73,804,857 km (0.106 R)
• M81: 74,823,021 km (0.072 R)
• M82: 77,775,933 km (0.096 R)
• M83: 79,461,751 km (0.057 R)
• M84: 81,815,674 km (0.084 R)
• M85: 83,397,821 km (0.107 R)
• M86: 83,927,397 km (0.088 R)
• M87: 85,256,275 km (0.06 R)
• M88: 86,860,114 km (0.116 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 17,141 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit