🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.76 AU - 1.12 AU

Year: 345 Days

Day: 13 Hours

Environment

Temp: 34 °C

Axial Tilt: 36.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.75 AU - 1.93 AU

Year: 945 Days

Day: 14.7 Hours

Environment

Temp: -72 °C

Axial Tilt: 11.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,716,450 km

• M1: 41,588 km (0.093 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.7 AU - 2.06 AU

Year: 976 Days

Day: 46 Hours

Environment

Temp: -68 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,716,450 km

• M1: 99,632 km (0.065 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.84 AU - 2.28 AU

Year: 1120 Days

Day: 30.1 Hours

Environment

Temp: -77 °C

Axial Tilt: 47.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 24,716,450 km

• M1: 744,698 km (0.054 R)
• M2: 1,411,306 km (0.107 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.16 AU - 3.06 AU

Year: 1597 Days

Day: 42 Hours

Environment

Temp: -94 °C

Axial Tilt: 41.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,716,450 km

• M1: 56,997 km (0.076 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.29 AU - 3.35 AU

Year: 1794 Days

Day: 31.8 Hours

Environment

Temp: -110 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.9

Radius: 12.4

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.7 AU - 6.12 AU

Year: 4766 Days

Day: 11.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 24,716,450 km

• M1: 158,574 km (0.081 R)
• M2: 329,714 km (0.108 R)
• M3: 528,679 km (0.108 R)
• M4: 608,863 km (0.06 R)
• M5: 795,262 km (0.082 R)
• M6: 951,742 km (0.116 R)
• M7: 1,040,453 km (0.116 R)
• M8: 1,145,770 km (0.116 R)
• M9: 1,227,151 km (0.12 R)
• M10: 1,469,350 km (0.12 R)
• M11: 1,573,770 km (0.111 R)
• M12: 1,951,205 km (0.116 R)
• M13: 2,100,205 km (0.108 R)
• M14: 2,235,890 km (0.04 R)
• M15: 2,642,646 km (0.116 R)
• M16: 2,734,350 km (0.073 R)
• M17: 2,958,597 km (0.095 R)
• M18: 3,326,159 km (0.111 R)
• M19: 3,647,346 km (0.103 R)
• M20: 4,020,592 km (0.07 R)
• M21: 4,190,536 km (0.09 R)
• M22: 4,428,097 km (0.097 R)
• M23: 4,515,612 km (0.102 R)
• M24: 4,939,422 km (0.094 R)
• M25: 5,098,744 km (0.1 R)
• M26: 5,873,063 km (0.085 R)
• M27: 5,969,404 km (0.116 R)
• M28: 6,114,963 km (0.109 R)
• M29: 6,310,936 km (0.073 R)
• M30: 6,533,986 km (0.096 R)
• M31: 7,192,815 km (0.1 R)
• M32: 7,608,697 km (0.116 R)
• M33: 8,059,436 km (0.11 R)
• M34: 8,166,697 km (0.077 R)
• M35: 8,958,968 km (0.079 R)
• M36: 9,125,919 km (0.072 R)
• M37: 9,406,565 km (0.093 R)
• M38: 9,832,918 km (0.094 R)
• M39: 9,976,532 km (0.119 R)
• M40: 10,852,278 km (0.104 R)
• M41: 11,060,219 km (0.078 R)
• M42: 11,239,438 km (0.035 R)
• M43: 11,449,922 km (0.099 R)
• M44: 11,540,429 km (0.106 R)
• M45: 12,119,522 km (0.072 R)
• M46: 12,366,209 km (0.1 R)
• M47: 13,116,442 km (0.063 R)
• M48: 13,624,626 km (0.098 R)
• M49: 14,074,766 km (0.099 R)
• M50: 14,204,168 km (0.091 R)
• M51: 14,431,856 km (0.044 R)
• M52: 15,487,568 km (0.075 R)
• M53: 15,654,669 km (0.065 R)
• M54: 15,923,497 km (0.087 R)
• M55: 16,363,613 km (0.026 R)
• M56: 16,704,846 km (0.095 R)
• M57: 16,910,693 km (0.102 R)
• M58: 17,394,343 km (0.085 R)
• M59: 17,742,607 km (0.085 R)
• M60: 18,304,646 km (0.089 R)
• M61: 18,481,471 km (0.085 R)
• M62: 18,658,894 km (0.109 R)
• M63: 19,735,400 km (0.113 R)
• M64: 19,880,360 km (0.066 R)
• M65: 20,207,980 km (0.06 R)
• M66: 21,573,808 km (0.099 R)
• M67: 24,199,550 km (0.101 R)
• M68: 24,510,414 km (0.092 R)
• M69: 24,666,445 km (0.075 R)
• M70: 25,807,129 km (0.103 R)
• M71: 26,164,518 km (0.108 R)
• M72: 26,884,383 km (0.047 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.4

Radius: 8.8

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 9.6 AU - 12.08 AU

Year: 13517 Days

Day: 5.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 24,716,450 km

• M1: 137,780 km (0.119 R)
• M2: 250,277 km (0.074 R)
• M3: 392,844 km (0.079 R)
• M4: 687,253 km (0.101 R)
• M5: 911,051 km (0.119 R)
• M6: 1,412,204 km (0.116 R)
• M7: 2,460,586 km (0.104 R)
• M8: 2,683,337 km (0.101 R)
• M9: 3,447,333 km (0.117 R)
• M10: 3,833,595 km (0.099 R)
• M11: 4,193,228 km (0.115 R)
• M12: 4,966,350 km (0.081 R)
• M13: 5,468,849 km (0.115 R)
• M14: 6,264,710 km (0.11 R)
• M15: 7,438,754 km (0.067 R)
• M16: 7,811,552 km (0.063 R)
• M17: 8,318,240 km (0.049 R)
• M18: 8,472,176 km (0.095 R)
• M19: 9,230,189 km (0.098 R)
• M20: 9,630,812 km (0.072 R)
• M21: 10,393,761 km (0.085 R)
• M22: 11,574,387 km (0.062 R)
• M23: 12,297,095 km (0.086 R)
• M24: 12,384,759 km (0.116 R)
• M25: 13,363,428 km (0.087 R)
• M26: 13,634,649 km (0.08 R)
• M27: 13,816,411 km (0.089 R)
• M28: 14,029,588 km (0.094 R)
• M29: 14,090,623 km (0.096 R)
• M30: 15,111,479 km (0.053 R)
• M31: 15,362,654 km (0.046 R)
• M32: 15,488,616 km (0.109 R)
• M33: 15,964,486 km (0.095 R)
• M34: 16,124,107 km (0.092 R)
• M35: 16,412,831 km (0.085 R)
• M36: 17,387,611 km (0.044 R)
• M37: 17,650,754 km (0.1 R)
• M38: 17,882,181 km (0.092 R)
• M39: 19,256,986 km (0.112 R)
• M40: 19,495,146 km (0.066 R)
• M41: 20,112,087 km (0.07 R)
• M42: 20,526,773 km (0.075 R)
• M43: 20,874,588 km (0.042 R)
• M44: 21,399,975 km (0.054 R)
• M45: 21,894,396 km (0.115 R)
• M46: 22,285,296 km (0.036 R)
• M47: 22,606,931 km (0.089 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 12,694 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit