🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.47 AU - 0.55 AU

Year: 137 Days

Day: 15.5 Hours

Environment

Temp: 235 °C

Axial Tilt: 29.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.53 AU - 0.71 AU

Year: 184 Days

Day: 35.2 Hours

Environment

Temp: 125 °C

Axial Tilt: 25.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.83 AU - 0.99 AU

Year: 327 Days

Day: 35.5 Hours

Environment

Temp: 25 °C

Axial Tilt: 38.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.71 AU - 1.13 AU

Year: 332 Days

Day: 18.3 Hours

Environment

Temp: 31 °C

Axial Tilt: 39.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.81

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.81 AU - 1.23 AU

Year: 388 Days

Day: 20.4 Hours

Environment

Temp: 24 °C

Axial Tilt: 27.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 85,094,593 km

• M1: 647,460 km (0.099 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.2 AU - 1.28 AU

Year: 520 Days

Day: 41 Hours

Environment

Temp: -19 °C

Axial Tilt: 27.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 7 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.44 AU - 1.84 AU

Year: 791 Days

Day: 40.5 Hours

Environment

Temp: -66 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.96 AU - 4.08 AU

Year: 3036 Days

Day: 47.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.6

Radius: 11.4

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 7.68 AU - 9.86 AU

Year: 9784 Days

Day: 6.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 85,094,593 km

• M1: 426,204 km (0.096 R)
• M2: 554,260 km (0.085 R)
• M3: 817,852 km (0.1 R)
• M4: 1,101,639 km (0.114 R)
• M5: 1,265,897 km (0.032 R)
• M6: 1,416,692 km (0.112 R)
• M7: 1,596,508 km (0.093 R)
• M8: 2,363,796 km (0.105 R)
• M9: 2,497,387 km (0.072 R)
• M10: 2,688,723 km (0.086 R)
• M11: 2,856,571 km (0.068 R)
• M12: 3,747,726 km (0.109 R)
• M13: 4,618,834 km (0.108 R)
• M14: 5,373,556 km (0.115 R)
• M15: 5,693,545 km (0.105 R)
• M16: 5,801,555 km (0.096 R)
• M17: 5,873,960 km (0.065 R)
• M18: 6,766,312 km (0.115 R)
• M19: 6,880,904 km (0.098 R)
• M20: 6,996,094 km (0.059 R)
• M21: 7,189,524 km (0.073 R)
• M22: 7,384,749 km (0.05 R)
• M23: 7,621,264 km (0.115 R)
• M24: 8,264,534 km (0.115 R)
• M25: 9,177,231 km (0.11 R)
• M26: 9,261,903 km (0.084 R)
• M27: 9,559,902 km (0.089 R)
• M28: 9,904,576 km (0.081 R)
• M29: 9,991,343 km (0.119 R)
• M30: 10,121,942 km (0.1 R)
• M31: 10,429,066 km (0.088 R)
• M32: 10,962,532 km (0.071 R)
• M33: 11,142,349 km (0.033 R)
• M34: 11,642,005 km (0.062 R)
• M35: 12,242,043 km (0.089 R)
• M36: 12,616,187 km (0.071 R)
• M37: 13,184,659 km (0.086 R)
• M38: 13,520,057 km (0.068 R)
• M39: 14,889,925 km (0.111 R)
• M40: 15,389,731 km (0.098 R)
• M41: 15,540,825 km (0.095 R)
• M42: 16,098,975 km (0.089 R)
• M43: 16,611,946 km (0.082 R)
• M44: 17,812,319 km (0.113 R)
• M45: 18,236,429 km (0.068 R)
• M46: 18,986,663 km (0.08 R)
• M47: 19,202,831 km (0.1 R)
• M48: 19,911,177 km (0.077 R)
• M49: 20,075,735 km (0.115 R)
• M50: 20,461,698 km (0.054 R)
• M51: 20,794,553 km (0.073 R)
• M52: 22,371,314 km (0.099 R)
• M53: 23,695,106 km (0.115 R)
• M54: 23,869,537 km (0.053 R)
• M55: 24,630,841 km (0.063 R)
• M56: 24,984,939 km (0.106 R)
• M57: 26,117,245 km (0.118 R)
• M58: 27,510,151 km (0.09 R)
• M59: 27,693,707 km (0.119 R)
• M60: 27,938,898 km (0.103 R)
• M61: 28,369,890 km (0.092 R)
• M62: 28,493,458 km (0.098 R)
• M63: 30,178,678 km (0.11 R)
• M64: 30,304,789 km (0.037 R)
• M65: 30,874,457 km (0.087 R)
• M66: 33,123,512 km (0.106 R)
• M67: 33,383,812 km (0.049 R)
• M68: 33,906,657 km (0.049 R)
• M69: 35,291,933 km (0.059 R)
• M70: 37,099,973 km (0.053 R)
• M71: 37,235,060 km (0.079 R)
• M72: 37,641,517 km (0.108 R)
• M73: 39,419,338 km (0.09 R)
• M74: 40,179,894 km (0.119 R)
• M75: 40,527,110 km (0.116 R)
• M76: 41,014,949 km (0.093 R)
• M77: 41,574,744 km (0.079 R)
• M78: 42,489,984 km (0.073 R)
• M79: 42,843,783 km (0.096 R)
• M80: 43,911,014 km (0.068 R)
• M81: 44,125,538 km (0.114 R)
• M82: 45,059,028 km (0.08 R)
• M83: 45,853,991 km (0.064 R)
• M84: 46,071,656 km (0.098 R)
• M85: 47,604,586 km (0.049 R)
• M86: 47,751,491 km (0.106 R)
• M87: 48,045,750 km (0.101 R)
• M88: 49,823,421 km (0.055 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.6

Radius: 6.9

Gravity: 20.41 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 11.68 AU - 16.44 AU

Year: 19861 Days

Day: 21.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 85,094,593 km

• M1: 135,536 km (0.053 R)
• M2: 326,273 km (0.049 R)
• M3: 897,288 km (0.112 R)
• M4: 1,182,272 km (0.119 R)
• M5: 1,593,217 km (0.059 R)
• M6: 1,902,137 km (0.079 R)
• M7: 2,229,756 km (0.058 R)
• M8: 2,419,446 km (0.047 R)
• M9: 3,144,996 km (0.067 R)
• M10: 3,487,874 km (0.096 R)
• M11: 3,708,232 km (0.103 R)
• M12: 4,538,799 km (0.105 R)
• M13: 4,975,027 km (0.063 R)
• M14: 5,374,004 km (0.098 R)
• M15: 6,149,819 km (0.114 R)
• M16: 6,469,809 km (0.092 R)
• M17: 8,917,679 km (0.043 R)
• M18: 9,037,806 km (0.119 R)
• M19: 9,646,669 km (0.081 R)
• M20: 9,893,954 km (0.101 R)
• M21: 10,775,684 km (0.074 R)
• M22: 11,096,721 km (0.097 R)
• M23: 11,355,825 km (0.086 R)
• M24: 11,682,397 km (0.091 R)
• M25: 12,078,532 km (0.114 R)
• M26: 12,680,813 km (0.117 R)
• M27: 12,883,817 km (0.054 R)
• M28: 13,224,452 km (0.114 R)
• M29: 13,706,456 km (0.101 R)
• M30: 14,334,468 km (0.103 R)
• M31: 14,616,610 km (0.115 R)
• M32: 15,186,428 km (0.083 R)
• M33: 15,763,427 km (0.105 R)
• M34: 15,908,836 km (0.083 R)
• M35: 16,568,563 km (0.115 R)
• M36: 17,462,111 km (0.049 R)
• M37: 18,447,661 km (0.043 R)
• M38: 18,985,915 km (0.096 R)
• M39: 19,295,732 km (0.092 R)
• M40: 20,156,368 km (0.098 R)
• M41: 21,109,456 km (0.118 R)
• M42: 21,350,010 km (0.11 R)
• M43: 22,812,478 km (0.09 R)
• M44: 27,215,144 km (0.095 R)
• M45: 28,798,637 km (0.094 R)
• M46: 29,601,529 km (0.092 R)
• M47: 31,595,070 km (0.104 R)
• M48: 31,686,774 km (0.076 R)
• M49: 32,054,186 km (0.081 R)
• M50: 32,330,643 km (0.049 R)
• M51: 32,607,997 km (0.096 R)
• M52: 32,886,100 km (0.095 R)
• M53: 33,818,843 km (0.102 R)
• M54: 34,760,112 km (0.095 R)
• M55: 35,044,199 km (0.117 R)
• M56: 38,904,871 km (0.107 R)
• M57: 39,101,443 km (0.051 R)
• M58: 39,891,020 km (0.106 R)
• M59: 40,188,421 km (0.08 R)
• M60: 40,586,202 km (0.053 R)
• M61: 41,385,503 km (0.098 R)
• M62: 41,988,382 km (0.082 R)
• M63: 42,492,976 km (0.065 R)
• M64: 43,202,967 km (0.117 R)
• M65: 43,610,322 km (0.116 R)
• M66: 45,562,874 km (0.103 R)
• M67: 47,019,658 km (0.12 R)
• M68: 48,386,085 km (0.101 R)
• M69: 48,809,148 km (0.114 R)
• M70: 51,157,984 km (0.097 R)
• M71: 51,481,115 km (0.12 R)
• M72: 52,237,632 km (0.104 R)
• M73: 52,780,373 km (0.086 R)
• M74: 53,652,528 km (0.1 R)
• M75: 54,419,517 km (0.103 R)
• M76: 55,190,245 km (0.101 R)
• M77: 58,984,645 km (0.053 R)
• M78: 59,436,580 km (0.093 R)
• M79: 60,571,280 km (0.062 R)
• M80: 63,208,392 km (0.112 R)
• M81: 65,298,124 km (0.075 R)
• M82: 66,351,592 km (0.036 R)
• M83: 66,586,311 km (0.088 R)
• M84: 70,740,644 km (0.034 R)
• M85: 72,667,614 km (0.106 R)
• M86: 74,733,711 km (0.116 R)
• M87: 75,467,638 km (0.057 R)
• M88: 76,449,748 km (0.112 R)
• M89: 79,047,964 km (0.111 R)
• M90: 79,795,654 km (0.084 R)
• M91: 81,047,040 km (0.103 R)
• M92: 81,298,065 km (0.075 R)
• M93: 82,052,787 km (0.107 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 20,073 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit