🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.44 AU - 0.68 AU

Year: 147 Days

Day: 32.3 Hours

Environment

Temp: 212 °C

Axial Tilt: 43.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 47,896,763 km

• M1: 35,006 km (0.098 R)
• M2: 149,448 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.58 AU - 0.64 AU

Year: 167 Days

Day: 47.7 Hours

Environment

Temp: 250 °C

Axial Tilt: 6.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.87 AU - 1.43 AU

Year: 433 Days

Day: 38.2 Hours

Environment

Temp: 19 °C

Axial Tilt: 21.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.08 AU - 1.62 AU

Year: 551 Days

Day: 37.7 Hours

Environment

Temp: 18 °C

Axial Tilt: 28.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 47,896,763 km

• M1: 835,803 km (0.086 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.29 AU - 2.03 AU

Year: 752 Days

Day: 42.5 Hours

Environment

Temp: -24 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.12 AU - 3 AU

Year: 1440 Days

Day: 25.9 Hours

Environment

Temp: -86 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 47,896,763 km

• M1: 607,667 km (0.106 R)
• M2: 1,225,955 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.9

Radius: 11.6

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 5.16 AU - 7.98 AU

Year: 5919 Days

Day: 11.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 47,896,763 km

• M1: 150,047 km (0.099 R)
• M2: 275,410 km (0.097 R)
• M3: 431,889 km (0.071 R)
• M4: 624,571 km (0.11 R)
• M5: 794,365 km (0.084 R)
• M6: 991,983 km (0.102 R)
• M7: 1,193,941 km (0.11 R)
• M8: 1,268,590 km (0.1 R)
• M9: 1,597,556 km (0.093 R)
• M10: 1,822,252 km (0.04 R)
• M11: 2,087,788 km (0.079 R)
• M12: 2,179,043 km (0.119 R)
• M13: 2,689,171 km (0.112 R)
• M14: 2,873,027 km (0.108 R)
• M15: 3,026,664 km (0.087 R)
• M16: 3,306,711 km (0.04 R)
• M17: 3,413,823 km (0.032 R)
• M18: 4,062,330 km (0.075 R)
• M19: 4,293,608 km (0.072 R)
• M20: 4,588,615 km (0.051 R)
• M21: 4,849,813 km (0.114 R)
• M22: 5,303,095 km (0.103 R)
• M23: 5,471,243 km (0.064 R)
• M24: 5,556,065 km (0.118 R)
• M25: 5,726,906 km (0.033 R)
• M26: 5,834,616 km (0.102 R)
• M27: 6,052,131 km (0.087 R)
• M28: 6,562,410 km (0.103 R)
• M29: 7,814,694 km (0.103 R)
• M30: 8,030,563 km (0.094 R)
• M31: 8,223,993 km (0.096 R)
• M32: 9,164,366 km (0.037 R)
• M33: 9,570,524 km (0.106 R)
• M34: 9,853,114 km (0.095 R)
• M35: 10,532,139 km (0.06 R)
• M36: 10,611,426 km (0.093 R)
• M37: 11,118,563 km (0.082 R)
• M38: 11,633,478 km (0.094 R)
• M39: 12,211,824 km (0.087 R)
• M40: 12,855,992 km (0.092 R)
• M41: 13,082,633 km (0.067 R)
• M42: 13,339,193 km (0.115 R)
• M43: 13,944,317 km (0.062 R)
• M44: 14,118,897 km (0.065 R)
• M45: 14,646,978 km (0.064 R)
• M46: 15,181,491 km (0.074 R)
• M47: 15,481,285 km (0.119 R)
• M48: 15,783,024 km (0.117 R)
• M49: 16,422,854 km (0.053 R)
• M50: 16,607,308 km (0.109 R)
• M51: 17,289,325 km (0.091 R)
• M52: 17,854,207 km (0.079 R)
• M53: 18,043,747 km (0.08 R)
• M54: 18,520,815 km (0.073 R)
• M55: 18,937,594 km (0.075 R)
• M56: 19,292,740 km (0.05 R)
• M57: 19,682,592 km (0.072 R)
• M58: 19,845,803 km (0.084 R)
• M59: 21,201,309 km (0.084 R)
• M60: 21,502,749 km (0.063 R)
• M61: 21,670,897 km (0.119 R)
• M62: 21,873,303 km (0.071 R)
• M63: 23,031,639 km (0.042 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.7

Radius: 13.2

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 11.66 AU - 12.74 AU

Year: 14977 Days

Day: 9.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 47,896,763 km

• M1: 299,196 km (0.088 R)
• M2: 399,875 km (0.043 R)
• M3: 490,232 km (0.034 R)
• M4: 697,874 km (0.088 R)
• M5: 1,105,678 km (0.102 R)
• M6: 1,224,010 km (0.104 R)
• M7: 1,650,962 km (0.071 R)
• M8: 1,811,481 km (0.11 R)
• M9: 1,977,235 km (0.069 R)
• M10: 2,099,008 km (0.069 R)
• M11: 2,427,375 km (0.05 R)
• M12: 2,772,497 km (0.075 R)
• M13: 3,020,830 km (0.105 R)
• M14: 3,161,901 km (0.054 R)
• M15: 3,539,486 km (0.087 R)
• M16: 4,242,745 km (0.118 R)
• M17: 4,529,973 km (0.066 R)
• M18: 5,636,698 km (0.1 R)
• M19: 6,238,381 km (0.107 R)
• M20: 6,492,248 km (0.076 R)
• M21: 7,047,705 km (0.076 R)
• M22: 7,160,652 km (0.095 R)
• M23: 7,968,181 km (0.025 R)
• M24: 8,482,648 km (0.097 R)
• M25: 8,764,191 km (0.06 R)
• M26: 8,885,814 km (0.109 R)
• M27: 9,336,553 km (0.099 R)
• M28: 10,517,329 km (0.037 R)
• M29: 10,689,965 km (0.096 R)
• M30: 10,776,582 km (0.044 R)
• M31: 10,863,498 km (0.106 R)
• M32: 11,655,768 km (0.06 R)
• M33: 13,389,309 km (0.099 R)
• M34: 13,529,482 km (0.064 R)
• M35: 16,236,605 km (0.101 R)
• M36: 16,687,044 km (0.104 R)
• M37: 16,989,531 km (0.106 R)
• M38: 17,600,189 km (0.102 R)
• M39: 19,210,611 km (0.028 R)
• M40: 19,421,843 km (0.081 R)
• M41: 21,139,376 km (0.062 R)
• M42: 21,741,059 km (0.119 R)
• M43: 22,237,424 km (0.116 R)
• M44: 22,626,080 km (0.092 R)
• M45: 23,185,276 km (0.103 R)
• M46: 23,297,774 km (0.117 R)
• M47: 23,692,563 km (0.119 R)
• M48: 24,032,748 km (0.075 R)
• M49: 25,467,392 km (0.066 R)
• M50: 25,757,761 km (0.103 R)
• M51: 26,166,014 km (0.038 R)
• M52: 26,458,927 km (0.117 R)
• M53: 26,694,094 km (0.088 R)
• M54: 27,107,134 km (0.117 R)
• M55: 27,344,247 km (0.098 R)
• M56: 28,841,273 km (0.117 R)
• M57: 29,143,909 km (0.083 R)
• M58: 29,325,970 km (0.029 R)
• M59: 29,996,767 km (0.117 R)
• M60: 30,487,896 km (0.118 R)
• M61: 30,672,650 km (0.081 R)
• M62: 31,167,370 km (0.035 R)
• M63: 31,976,994 km (0.06 R)
• M64: 32,415,764 km (0.093 R)
• M65: 32,793,499 km (0.062 R)
• M66: 33,172,580 km (0.064 R)
• M67: 34,062,986 km (0.079 R)
• M68: 34,703,864 km (0.117 R)
• M69: 35,025,649 km (0.086 R)
• M70: 35,737,286 km (0.043 R)
• M71: 36,062,362 km (0.099 R)
• M72: 36,912,227 km (0.085 R)
• M73: 38,033,314 km (0.097 R)
• M74: 38,764,847 km (0.042 R)
• M75: 39,904,334 km (0.081 R)
• M76: 40,850,990 km (0.043 R)
• M77: 42,491,181 km (0.117 R)
• M78: 42,835,555 km (0.115 R)
• M79: 43,319,355 km (0.095 R)
• M80: 44,851,386 km (0.1 R)
• M81: 45,202,044 km (0.049 R)
• M82: 45,342,516 km (0.079 R)
• M83: 46,401,071 km (0.099 R)
• M84: 47,111,361 km (0.103 R)

Kuiper Belt

Range: 31.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 13,338 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit