🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.55 AU - 0.73 AU

Year: 230 Days

Day: 33.1 Hours

Environment

Temp: 1 °C

Axial Tilt: 16 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.01 AU - 1.11 AU

Year: 491 Days

Day: 14.4 Hours

Environment

Temp: -83 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.19 AU - 1.19 AU

Year: 584 Days

Day: 43.2 Hours

Environment

Temp: -79 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.19 AU - 1.93 AU

Year: 876 Days

Day: 18 Hours

Environment

Temp: -115 °C

Axial Tilt: 21 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.19 AU - 1.97 AU

Year: 893 Days

Day: 41 Hours

Environment

Temp: -112 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.33 AU - 1.89 AU

Year: 918 Days

Day: 35.2 Hours

Environment

Temp: -103 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,007,862 km

• M1: 263,292 km (0.082 R)

Planet 7 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.78 AU - 1.8 AU

Year: 1077 Days

Day: 46.2 Hours

Environment

Temp: -113 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.87 AU - 2.31 AU

Year: 1358 Days

Day: 31.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 38.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.2

Radius: 10.6

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 2.17 AU - 2.61 AU

Year: 1661 Days

Day: 9.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 74,007,862 km

• M1: 149,598 km (0.094 R)
• M2: 252,521 km (0.104 R)
• M3: 491,130 km (0.071 R)
• M4: 639,082 km (0.078 R)
• M5: 729,888 km (0.092 R)
• M6: 833,111 km (0.083 R)
• M7: 1,306,139 km (0.117 R)
• M8: 1,585,887 km (0.109 R)
• M9: 1,683,425 km (0.073 R)
• M10: 1,803,253 km (0.098 R)
• M11: 1,895,106 km (0.113 R)
• M12: 1,988,455 km (0.081 R)
• M13: 2,072,828 km (0.096 R)
• M14: 2,190,861 km (0.081 R)
• M15: 2,389,078 km (0.092 R)
• M16: 2,467,766 km (0.096 R)
• M17: 2,535,834 km (0.028 R)
• M18: 2,616,168 km (0.12 R)
• M19: 2,803,015 km (0.104 R)
• M20: 3,055,088 km (0.061 R)
• M21: 3,153,074 km (0.025 R)
• M22: 3,352,189 km (0.094 R)
• M23: 3,466,033 km (0.088 R)
• M24: 3,619,969 km (0.08 R)
• M25: 3,697,760 km (0.075 R)
• M26: 4,095,242 km (0.074 R)
• M27: 4,478,661 km (0.112 R)
• M28: 4,618,385 km (0.09 R)
• M29: 4,931,045 km (0.079 R)
• M30: 5,265,247 km (0.086 R)
• M31: 5,502,210 km (0.116 R)
• M32: 5,591,968 km (0.077 R)
• M33: 5,712,395 km (0.038 R)
• M34: 5,986,458 km (0.108 R)
• M35: 6,171,660 km (0.099 R)
• M36: 6,343,099 km (0.073 R)
• M37: 6,468,911 km (0.062 R)
• M38: 6,738,786 km (0.079 R)
• M39: 7,093,482 km (0.119 R)
• M40: 7,355,279 km (0.103 R)
• M41: 7,503,979 km (0.051 R)
• M42: 7,587,155 km (0.056 R)
• M43: 7,770,861 km (0.097 R)
• M44: 7,905,499 km (0.056 R)
• M45: 7,973,118 km (0.116 R)
• M46: 8,074,844 km (0.058 R)
• M47: 8,245,386 km (0.111 R)
• M48: 8,348,309 km (0.079 R)
• M49: 8,451,681 km (0.069 R)
• M50: 8,869,359 km (0.049 R)
• M51: 9,222,709 km (0.041 R)
• M52: 9,436,783 km (0.061 R)
• M53: 9,670,754 km (0.078 R)
• M54: 9,961,273 km (0.051 R)
• M55: 10,052,528 km (0.074 R)
• M56: 10,199,433 km (0.116 R)
• M57: 10,328,387 km (0.098 R)
• M58: 10,532,288 km (0.082 R)
• M59: 10,662,738 km (0.103 R)
• M60: 10,737,537 km (0.094 R)
• M61: 10,887,583 km (0.101 R)
• M62: 11,151,923 km (0.044 R)
• M63: 11,571,545 km (0.114 R)
• M64: 11,918,762 km (0.087 R)
• M65: 12,465,691 km (0.102 R)
• M66: 13,080,838 km (0.081 R)
• M67: 13,221,161 km (0.088 R)
• M68: 13,301,495 km (0.118 R)
• M69: 13,523,498 km (0.083 R)
• M70: 13,644,971 km (0.083 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859.9

Radius: 7.4

Gravity: 15.7 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 9.87 AU - 12.77 AU

Year: 17123 Days

Day: 20.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 74,007,862 km

• M1: 118,182 km (0.077 R)
• M2: 457,021 km (0.064 R)
• M3: 1,045,390 km (0.116 R)
• M4: 1,460,973 km (0.058 R)
• M5: 1,520,064 km (0.061 R)
• M6: 2,121,148 km (0.064 R)
• M7: 2,862,555 km (0.059 R)
• M8: 2,937,055 km (0.104 R)
• M9: 3,126,296 km (0.07 R)
• M10: 3,319,577 km (0.087 R)
• M11: 3,799,188 km (0.034 R)
• M12: 4,005,483 km (0.09 R)
• M13: 4,131,145 km (0.05 R)
• M14: 4,956,327 km (0.065 R)
• M15: 5,456,882 km (0.104 R)
• M16: 6,456,943 km (0.117 R)
• M17: 6,604,297 km (0.104 R)
• M18: 7,103,804 km (0.074 R)
• M19: 7,512,207 km (0.113 R)
• M20: 7,980,897 km (0.118 R)
• M21: 9,554,068 km (0.099 R)
• M22: 10,175,348 km (0.07 R)
• M23: 10,577,617 km (0.041 R)
• M24: 10,867,986 km (0.04 R)
• M25: 11,043,614 km (0.104 R)
• M26: 11,516,194 km (0.104 R)
• M27: 11,815,090 km (0.072 R)
• M28: 13,597,848 km (0.089 R)
• M29: 14,810,788 km (0.079 R)
• M30: 16,391,588 km (0.094 R)
• M31: 18,511,689 km (0.076 R)
• M32: 19,426,031 km (0.037 R)
• M33: 20,643,908 km (0.093 R)
• M34: 21,886,318 km (0.081 R)
• M35: 23,757,039 km (0.115 R)
• M36: 25,290,118 km (0.11 R)
• M37: 25,522,743 km (0.111 R)
• M38: 27,092,324 km (0.059 R)
• M39: 27,251,047 km (0.03 R)
• M40: 27,569,242 km (0.072 R)
• M41: 27,648,978 km (0.075 R)
• M42: 29,831,461 km (0.094 R)
• M43: 31,900,998 km (0.102 R)
• M44: 32,068,548 km (0.113 R)
• M45: 32,404,544 km (0.027 R)
• M46: 32,488,768 km (0.082 R)
• M47: 33,164,801 km (0.111 R)
• M48: 33,249,623 km (0.107 R)
• M49: 35,654,409 km (0.105 R)
• M50: 36,701,893 km (0.093 R)
• M51: 37,229,524 km (0.088 R)
• M52: 37,494,313 km (0.042 R)
• M53: 39,454,793 km (0.112 R)
• M54: 40,992,360 km (0.069 R)
• M55: 41,083,465 km (0.097 R)
• M56: 41,997,807 km (0.115 R)
• M57: 44,874,424 km (0.081 R)
• M58: 44,968,222 km (0.103 R)
• M59: 45,532,655 km (0.082 R)
• M60: 46,004,936 km (0.067 R)
• M61: 47,431,202 km (0.103 R)
• M62: 48,101,699 km (0.071 R)
• M63: 48,582,656 km (0.06 R)
• M64: 50,619,731 km (0.105 R)
• M65: 54,076,489 km (0.109 R)
• M66: 54,476,364 km (0.091 R)
• M67: 55,279,106 km (0.117 R)
• M68: 56,794,682 km (0.116 R)
• M69: 57,812,696 km (0.114 R)
• M70: 58,323,871 km (0.094 R)
• M71: 59,042,240 km (0.116 R)
• M72: 59,247,937 km (0.07 R)
• M73: 59,453,934 km (0.075 R)
• M74: 59,866,674 km (0.042 R)
• M75: 61,214,551 km (0.071 R)
• M76: 61,631,331 km (0.091 R)
• M77: 62,887,205 km (0.067 R)
• M78: 63,097,390 km (0.041 R)
• M79: 65,211,507 km (0.053 R)
• M80: 65,743,627 km (0.043 R)
• M81: 68,102,187 km (0.06 R)
• M82: 68,534,076 km (0.092 R)
• M83: 68,858,554 km (0.056 R)
• M84: 69,075,171 km (0.086 R)
• M85: 69,183,480 km (0.107 R)
• M86: 69,400,397 km (0.025 R)
• M87: 69,943,736 km (0.079 R)
• M88: 70,161,401 km (0.041 R)
• M89: 70,379,365 km (0.086 R)
• M90: 70,925,248 km (0.095 R)
• M91: 71,801,443 km (0.108 R)
• M92: 72,131,007 km (0.063 R)
• M93: 73,012,288 km (0.116 R)
• M94: 73,122,691 km (0.097 R)
• M95: 73,897,010 km (0.06 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 19,190 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit