🌌 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: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.74

Radius: 0.89

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.52 AU - 0.7 AU

Year: 175 Days

Day: 15.4 Hours

Environment

Temp: 222 °C

Axial Tilt: 3.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.89 AU - 0.97 AU

Year: 329 Days

Day: 18.8 Hours

Environment

Temp: 71 °C

Axial Tilt: 31.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,860,897 km

• M1: 493,823 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.96 AU - 1.2 AU

Year: 412 Days

Day: 27 Hours

Environment

Temp: 19 °C

Axial Tilt: 21.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.15 AU - 3.37 AU

Year: 1683 Days

Day: 38.9 Hours

Environment

Temp: -93 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.65 AU - 2.87 AU

Year: 1683 Days

Day: 43.4 Hours

Environment

Temp: -106 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,860,897 km

• M1: 137,331 km (0.107 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.87 AU - 3.23 AU

Year: 1955 Days

Day: 14.9 Hours

Environment

Temp: -111 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.46 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 13.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.4

Radius: 3.8

Gravity: 58.75 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 11.87 AU - 15.87 AU

Year: 18962 Days

Day: 15.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (100)

Outer Limit: 78,860,897 km

• M1: 75,098 km (0.079 R)
• M2: 304,432 km (0.082 R)
• M3: 498,460 km (0.059 R)
• M4: 585,526 km (0.093 R)
• M5: 799,601 km (0.037 R)
• M6: 850,314 km (0.118 R)
• M7: 928,404 km (0.082 R)
• M8: 1,119,740 km (0.046 R)
• M9: 1,323,343 km (0.079 R)
• M10: 1,931,907 km (0.104 R)
• M11: 2,104,692 km (0.048 R)
• M12: 2,614,672 km (0.108 R)
• M13: 2,961,888 km (0.096 R)
• M14: 4,671,792 km (0.099 R)
• M15: 4,763,944 km (0.089 R)
• M16: 5,233,831 km (0.081 R)
• M17: 5,620,392 km (0.094 R)
• M18: 5,916,147 km (0.089 R)
• M19: 7,523,726 km (0.096 R)
• M20: 7,794,947 km (0.107 R)
• M21: 8,069,309 km (0.056 R)
• M22: 8,458,862 km (0.048 R)
• M23: 10,375,660 km (0.101 R)
• M24: 10,677,249 km (0.115 R)
• M25: 10,798,722 km (0.109 R)
• M26: 11,043,165 km (0.095 R)
• M27: 11,661,902 km (0.092 R)
• M28: 12,292,008 km (0.077 R)
• M29: 12,419,316 km (0.097 R)
• M30: 12,997,661 km (0.116 R)
• M31: 13,519,160 km (0.097 R)
• M32: 13,782,452 km (0.111 R)
• M33: 14,047,390 km (0.098 R)
• M34: 14,380,993 km (0.097 R)
• M35: 14,717,139 km (0.085 R)
• M36: 15,055,979 km (0.04 R)
• M37: 15,810,251 km (0.118 R)
• M38: 16,157,318 km (0.072 R)
• M39: 16,226,881 km (0.032 R)
• M40: 16,296,743 km (0.088 R)
• M41: 16,647,251 km (0.106 R)
• M42: 17,498,313 km (0.081 R)
• M43: 18,291,032 km (0.058 R)
• M44: 19,538,828 km (0.099 R)
• M45: 19,985,677 km (0.054 R)
• M46: 22,038,160 km (0.118 R)
• M47: 22,192,844 km (0.117 R)
• M48: 23,207,118 km (0.099 R)
• M49: 24,716,261 km (0.111 R)
• M50: 25,038,046 km (0.115 R)
• M51: 26,256,969 km (0.097 R)
• M52: 27,080,356 km (0.101 R)
• M53: 27,245,961 km (0.086 R)
• M54: 27,661,693 km (0.1 R)
• M55: 28,583,516 km (0.071 R)
• M56: 28,836,635 km (0.079 R)
• M57: 29,430,240 km (0.081 R)
• M58: 29,771,323 km (0.034 R)
• M59: 31,408,821 km (0.085 R)
• M60: 31,931,965 km (0.076 R)
• M61: 32,019,479 km (0.082 R)
• M62: 34,500,859 km (0.101 R)
• M63: 35,673,856 km (0.043 R)
• M64: 36,585,057 km (0.078 R)
• M65: 37,319,433 km (0.069 R)
• M66: 37,411,585 km (0.107 R)
• M67: 37,873,394 km (0.117 R)
• M68: 38,709,496 km (0.075 R)
• M69: 38,989,543 km (0.058 R)
• M70: 42,787,235 km (0.115 R)
• M71: 42,980,216 km (0.1 R)
• M72: 44,143,938 km (0.114 R)
• M73: 44,241,476 km (0.082 R)
• M74: 44,338,864 km (0.096 R)
• M75: 45,711,724 km (0.102 R)
• M76: 46,205,397 km (0.05 R)
• M77: 46,304,431 km (0.112 R)
• M78: 46,700,865 km (0.05 R)
• M79: 49,913,030 km (0.062 R)
• M80: 50,217,761 km (0.084 R)
• M81: 51,033,518 km (0.102 R)
• M82: 52,059,461 km (0.032 R)
• M83: 59,859,045 km (0.06 R)
• M84: 60,074,765 km (0.048 R)
• M85: 60,398,944 km (0.12 R)
• M86: 61,374,920 km (0.034 R)
• M87: 62,574,994 km (0.066 R)
• M88: 67,115,290 km (0.061 R)
• M89: 67,227,338 km (0.092 R)
• M90: 67,788,630 km (0.082 R)
• M91: 68,013,625 km (0.076 R)
• M92: 68,577,010 km (0.086 R)
• M93: 69,141,892 km (0.081 R)
• M94: 70,504,130 km (0.061 R)
• M95: 71,531,568 km (0.115 R)
• M96: 73,139,596 km (0.115 R)
• M97: 73,370,276 km (0.073 R)
• M98: 73,485,765 km (0.05 R)
• M99: 77,329,084 km (0.044 R)
• M100: 78,860,966 km (0.086 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 10,500 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit