🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.47 AU - 0.77 AU

Year: 186 Days

Day: 42.1 Hours

Environment

Temp: 124 °C

Axial Tilt: 9.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.97 AU - 1.17 AU

Year: 421 Days

Day: 22.1 Hours

Environment

Temp: -5 °C

Axial Tilt: 33.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.85

Radius: 1.28

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.96 AU - 1.38 AU

Year: 482 Days

Day: 25.3 Hours

Environment

Temp: -7 °C

Axial Tilt: 24.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 72,549,215 km

• M1: 203,752 km (0.105 R)
• M2: 350,059 km (0.103 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.16

Radius: 1.58

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.95 AU - 1.39 AU

Year: 482 Days

Day: 27.7 Hours

Environment

Temp: -24 °C

Axial Tilt: 22.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 72,549,215 km

• M1: 319,391 km (0.077 R)
• M2: 621,430 km (0.117 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.62 AU - 1.9 AU

Year: 889 Days

Day: 18.5 Hours

Environment

Temp: -66 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.59

Radius: 1.46

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.02 AU - 2.42 AU

Year: 1260 Days

Day: 23.2 Hours

Environment

Temp: -100 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.38 AU - 3.6 AU

Year: 1969 Days

Day: 27.1 Hours

Environment

Temp: -109 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.76 AU - 4.18 AU

Year: 3012 Days

Day: 27.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 72,549,215 km

• M1: 2,548,101 km (0.079 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.5

Radius: 10.3

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.52 AU - 9.3 AU

Year: 8472 Days

Day: 11.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 72,549,215 km

• M1: 135,536 km (0.113 R)
• M2: 202,705 km (0.064 R)
• M3: 385,813 km (0.087 R)
• M4: 488,287 km (0.114 R)
• M5: 601,533 km (0.107 R)
• M6: 756,965 km (0.059 R)
• M7: 839,992 km (0.084 R)
• M8: 908,807 km (0.107 R)
• M9: 979,716 km (0.087 R)
• M10: 1,283,251 km (0.058 R)
• M11: 1,573,171 km (0.067 R)
• M12: 1,952,851 km (0.117 R)
• M13: 2,588,043 km (0.117 R)
• M14: 2,928,528 km (0.047 R)
• M15: 3,565,964 km (0.108 R)
• M16: 4,154,632 km (0.101 R)
• M17: 4,553,460 km (0.067 R)
• M18: 5,093,807 km (0.061 R)
• M19: 5,158,733 km (0.112 R)
• M20: 5,289,332 km (0.102 R)
• M21: 5,421,128 km (0.081 R)
• M22: 5,520,610 km (0.092 R)
• M23: 6,027,597 km (0.086 R)
• M24: 6,130,820 km (0.092 R)
• M25: 7,304,565 km (0.087 R)
• M26: 7,562,322 km (0.092 R)
• M27: 7,973,567 km (0.029 R)
• M28: 8,049,113 km (0.093 R)
• M29: 8,392,141 km (0.112 R)
• M30: 8,584,674 km (0.039 R)
• M31: 8,662,166 km (0.072 R)
• M32: 8,817,897 km (0.103 R)
• M33: 9,569,776 km (0.059 R)
• M34: 9,730,743 km (0.113 R)
• M35: 9,892,608 km (0.108 R)
• M36: 9,973,840 km (0.062 R)
• M37: 10,507,455 km (0.098 R)
• M38: 10,882,348 km (0.113 R)
• M39: 11,008,159 km (0.117 R)
• M40: 12,821,884 km (0.113 R)
• M41: 13,267,237 km (0.061 R)
• M42: 13,717,676 km (0.09 R)
• M43: 13,944,766 km (0.102 R)
• M44: 15,711,367 km (0.101 R)
• M45: 15,806,212 km (0.112 R)
• M46: 16,476,111 km (0.116 R)
• M47: 17,301,891 km (0.119 R)
• M48: 17,498,164 km (0.079 R)
• M49: 18,141,135 km (0.076 R)
• M50: 18,390,515 km (0.117 R)
• M51: 18,540,711 km (0.058 R)
• M52: 18,741,472 km (0.075 R)
• M53: 19,044,108 km (0.077 R)
• M54: 19,603,305 km (0.046 R)
• M55: 20,219,349 km (0.062 R)
• M56: 21,207,742 km (0.115 R)
• M57: 21,575,902 km (0.113 R)
• M58: 21,946,008 km (0.078 R)
• M59: 23,015,483 km (0.101 R)
• M60: 23,231,353 km (0.075 R)
• M61: 24,375,926 km (0.102 R)
• M62: 24,485,880 km (0.05 R)
• M63: 24,816,791 km (0.09 R)
• M64: 26,211,492 km (0.06 R)
• M65: 26,324,139 km (0.075 R)
• M66: 27,574,179 km (0.058 R)
• M67: 29,134,634 km (0.112 R)
• M68: 30,842,294 km (0.118 R)
• M69: 31,558,419 km (0.118 R)
• M70: 32,038,927 km (0.07 R)
• M71: 33,250,670 km (0.11 R)
• M72: 34,292,320 km (0.073 R)
• M73: 35,593,971 km (0.117 R)
• M74: 36,659,407 km (0.118 R)
• M75: 37,164,449 km (0.087 R)
• M76: 37,608,306 km (0.109 R)
• M77: 38,437,079 km (0.097 R)
• M78: 41,025,122 km (0.105 R)
• M79: 41,680,809 km (0.083 R)
• M80: 41,746,632 km (0.039 R)
• M81: 42,406,060 km (0.106 R)
• M82: 42,538,454 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 12.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920

Radius: 4.1

Gravity: 54.73 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 9.91 AU - 14.33 AU

Year: 16068 Days

Day: 17 Hours

Environment

Temp: -182 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 72,549,215 km

• M1: 211,681 km (0.1 R)
• M2: 566,976 km (0.109 R)
• M3: 1,422,526 km (0.103 R)
• M4: 2,008,501 km (0.074 R)
• M5: 2,695,903 km (0.086 R)
• M6: 3,027,113 km (0.106 R)
• M7: 3,449,129 km (0.096 R)
• M8: 3,488,473 km (0.1 R)
• M9: 3,647,046 km (0.041 R)
• M10: 4,178,867 km (0.116 R)
• M11: 4,262,791 km (0.118 R)
• M12: 5,087,824 km (0.077 R)
• M13: 5,633,706 km (0.112 R)
• M14: 5,773,131 km (0.112 R)
• M15: 6,007,850 km (0.075 R)
• M16: 6,150,268 km (0.097 R)
• M17: 6,390,073 km (0.094 R)
• M18: 6,584,101 km (0.081 R)
• M19: 7,736,903 km (0.082 R)
• M20: 9,167,657 km (0.089 R)
• M21: 9,331,616 km (0.038 R)
• M22: 9,441,421 km (0.106 R)
• M23: 10,449,112 km (0.053 R)
• M24: 10,563,106 km (0.098 R)
• M25: 11,139,656 km (0.096 R)
• M26: 12,443,401 km (0.111 R)
• M27: 13,794,569 km (0.092 R)
• M28: 14,045,146 km (0.047 R)
• M29: 14,234,088 km (0.091 R)
• M30: 14,297,368 km (0.117 R)
• M31: 15,841,218 km (0.09 R)
• M32: 17,235,021 km (0.083 R)
• M33: 18,667,570 km (0.085 R)
• M34: 18,805,948 km (0.077 R)
• M35: 18,875,362 km (0.1 R)
• M36: 19,503,074 km (0.099 R)
• M37: 20,493,263 km (0.037 R)
• M38: 20,994,565 km (0.106 R)
• M39: 21,790,276 km (0.103 R)
• M40: 22,008,988 km (0.072 R)
• M41: 22,595,861 km (0.113 R)
• M42: 22,743,364 km (0.057 R)
• M43: 23,039,269 km (0.043 R)
• M44: 29,220,054 km (0.056 R)
• M45: 29,541,690 km (0.092 R)
• M46: 29,783,739 km (0.103 R)
• M47: 30,188,701 km (0.063 R)
• M48: 30,432,545 km (0.083 R)
• M49: 30,676,988 km (0.103 R)
• M50: 31,167,819 km (0.053 R)
• M51: 31,743,771 km (0.08 R)
• M52: 32,822,820 km (0.067 R)
• M53: 34,506,095 km (0.1 R)
• M54: 36,131,027 km (0.116 R)
• M55: 37,083,068 km (0.115 R)
• M56: 39,810,387 km (0.111 R)
• M57: 41,062,970 km (0.054 R)
• M58: 41,423,351 km (0.033 R)
• M59: 42,146,956 km (0.114 R)
• M60: 42,328,568 km (0.111 R)
• M61: 42,510,479 km (0.117 R)
• M62: 42,966,154 km (0.025 R)
• M63: 43,240,367 km (0.093 R)
• M64: 43,423,475 km (0.12 R)
• M65: 44,435,355 km (0.099 R)
• M66: 44,990,512 km (0.106 R)
• M67: 45,548,064 km (0.107 R)
• M68: 45,734,313 km (0.096 R)
• M69: 46,857,643 km (0.094 R)
• M70: 48,559,618 km (0.084 R)
• M71: 49,609,646 km (0.088 R)
• M72: 49,897,323 km (0.088 R)
• M73: 51,150,354 km (0.058 R)
• M74: 53,098,119 km (0.1 R)
• M75: 54,080,977 km (0.09 R)
• M76: 55,765,748 km (0.113 R)
• M77: 55,865,380 km (0.083 R)
• M78: 56,864,993 km (0.12 R)
• M79: 56,965,373 km (0.108 R)
• M80: 57,568,253 km (0.083 R)
• M81: 57,668,932 km (0.09 R)
• M82: 57,769,761 km (0.119 R)
• M83: 58,476,760 km (0.118 R)
• M84: 58,577,889 km (0.072 R)
• M85: 59,593,509 km (0.099 R)
• M86: 60,307,689 km (0.109 R)
• M87: 61,744,876 km (0.094 R)
• M88: 63,505,044 km (0.109 R)
• M89: 63,921,525 km (0.027 R)
• M90: 65,701,889 km (0.085 R)
• M91: 66,017,840 km (0.067 R)
• M92: 68,776,574 km (0.114 R)
• M93: 68,883,387 km (0.062 R)
• M94: 71,572,708 km (0.074 R)
• M95: 72,006,093 km (0.085 R)
• M96: 72,114,701 km (0.102 R)
• M97: 72,331,767 km (0.058 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 13,699 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit