🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.71 AU - 0.77 AU

Year: 244 Days

Day: 47.7 Hours

Environment

Temp: 82 °C

Axial Tilt: 42.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.66 AU - 0.94 AU

Year: 274 Days

Day: 21.7 Hours

Environment

Temp: 114 °C

Axial Tilt: 21.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 89,052,247 km

• M1: 364,121 km (0.095 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.9 AU - 0.98 AU

Year: 349 Days

Day: 13.1 Hours

Environment

Temp: 7 °C

Axial Tilt: 17.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 89,052,247 km

• M1: 287,378 km (0.113 R)
• M2: 584,778 km (0.066 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1 AU - 1.04 AU

Year: 394 Days

Day: 15.3 Hours

Environment

Temp: 2 °C

Axial Tilt: 33.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.44

Radius: 0.72

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.12 AU - 1.34 AU

Year: 522 Days

Day: 15.9 Hours

Environment

Temp: -40 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.66 AU - 2.64 AU

Year: 1207 Days

Day: 12 Hours

Environment

Temp: -84 °C

Axial Tilt: 8.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.02 AU - 2.42 AU

Year: 1266 Days

Day: 43.9 Hours

Environment

Temp: -83 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.81 AU - 3.21 AU

Year: 1999 Days

Day: 17.6 Hours

Environment

Temp: -120 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.9

Radius: 8.1

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.68 AU - 4.78 AU

Year: 3331 Days

Day: 5.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 89,052,247 km

• M1: 108,010 km (0.059 R)
• M2: 166,054 km (0.059 R)
• M3: 335,698 km (0.112 R)
• M4: 408,402 km (0.12 R)
• M5: 571,913 km (0.119 R)
• M6: 815,009 km (0.066 R)
• M7: 865,872 km (0.115 R)
• M8: 917,783 km (0.1 R)
• M9: 1,052,571 km (0.071 R)
• M10: 1,117,795 km (0.099 R)
• M11: 1,262,307 km (0.101 R)
• M12: 1,402,779 km (0.036 R)
• M13: 1,612,515 km (0.065 R)
• M14: 1,688,362 km (0.066 R)
• M15: 1,787,695 km (0.034 R)
• M16: 1,889,122 km (0.064 R)
• M17: 2,050,538 km (0.081 R)
• M18: 2,240,677 km (0.032 R)
• M19: 2,424,233 km (0.081 R)
• M20: 2,806,007 km (0.068 R)
• M21: 2,871,531 km (0.091 R)
• M22: 3,152,326 km (0.098 R)
• M23: 3,344,410 km (0.079 R)
• M24: 3,654,078 km (0.067 R)
• M25: 3,769,118 km (0.053 R)
• M26: 3,943,699 km (0.079 R)
• M27: 4,061,732 km (0.115 R)
• M28: 4,270,870 km (0.083 R)
• M29: 4,622,275 km (0.068 R)
• M30: 4,825,130 km (0.088 R)
• M31: 5,175,039 km (0.112 R)
• M32: 5,304,292 km (0.119 R)
• M33: 5,401,979 km (0.079 R)
• M34: 6,102,247 km (0.104 R)
• M35: 6,690,166 km (0.09 R)
• M36: 6,919,650 km (0.068 R)
• M37: 6,972,906 km (0.04 R)
• M38: 8,012,312 km (0.115 R)
• M39: 8,256,157 km (0.101 R)
• M40: 8,312,854 km (0.056 R)
• M41: 8,407,400 km (0.106 R)
• M42: 9,041,097 km (0.082 R)
• M43: 9,373,503 km (0.094 R)
• M44: 9,929,858 km (0.116 R)
• M45: 10,394,808 km (0.107 R)
• M46: 10,722,427 km (0.069 R)
• M47: 10,887,434 km (0.11 R)
• M48: 11,241,083 km (0.088 R)
• M49: 11,387,839 km (0.119 R)
• M50: 11,768,116 km (0.117 R)
• M51: 11,917,116 km (0.115 R)
• M52: 12,088,106 km (0.087 R)
• M53: 12,346,163 km (0.052 R)
• M54: 12,432,630 km (0.099 R)
• M55: 12,671,388 km (0.093 R)
• M56: 13,153,393 km (0.076 R)
• M57: 13,441,069 km (0.104 R)
• M58: 13,507,790 km (0.111 R)
• M59: 14,022,706 km (0.065 R)
• M60: 14,248,599 km (0.051 R)
• M61: 14,361,994 km (0.108 R)
• M62: 14,703,975 km (0.09 R)
• M63: 14,910,420 km (0.046 R)
• M64: 15,210,364 km (0.073 R)
• M65: 15,326,302 km (0.082 R)
• M66: 15,419,202 km (0.111 R)
• M67: 15,605,601 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.8

Radius: 7.4

Gravity: 14.95 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 11.83 AU - 18.99 AU

Year: 23162 Days

Day: 21.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 89,052,247 km

• M1: 167,998 km (0.095 R)
• M2: 306,825 km (0.084 R)
• M3: 382,372 km (0.035 R)
• M4: 777,161 km (0.111 R)
• M5: 885,320 km (0.046 R)
• M6: 1,366,876 km (0.065 R)
• M7: 2,180,987 km (0.103 R)
• M8: 2,493,946 km (0.085 R)
• M9: 4,070,857 km (0.111 R)
• M10: 5,054,762 km (0.095 R)
• M11: 5,520,760 km (0.117 R)
• M12: 5,946,366 km (0.115 R)
• M13: 6,829,143 km (0.097 R)
• M14: 7,693,519 km (0.118 R)
• M15: 7,811,402 km (0.109 R)
• M16: 7,870,494 km (0.049 R)
• M17: 7,929,884 km (0.114 R)
• M18: 8,837,195 km (0.104 R)
• M19: 9,460,121 km (0.056 R)
• M20: 9,586,531 km (0.095 R)
• M21: 9,713,390 km (0.079 R)
• M22: 9,904,725 km (0.037 R)
• M23: 10,097,258 km (0.117 R)
• M24: 10,356,062 km (0.114 R)
• M25: 10,486,212 km (0.09 R)
• M26: 11,012,498 km (0.101 R)
• M27: 11,278,782 km (0.069 R)
• M28: 11,547,310 km (0.088 R)
• M29: 11,750,015 km (0.088 R)
• M30: 12,159,165 km (0.115 R)
• M31: 12,642,217 km (0.096 R)
• M32: 12,991,079 km (0.058 R)
• M33: 14,490,947 km (0.065 R)
• M34: 14,856,116 km (0.054 R)
• M35: 15,298,327 km (0.098 R)
• M36: 15,520,929 km (0.104 R)
• M37: 16,650,542 km (0.034 R)
• M38: 16,726,837 km (0.06 R)
• M39: 17,186,701 km (0.113 R)
• M40: 17,650,903 km (0.096 R)
• M41: 19,387,585 km (0.107 R)
• M42: 19,628,587 km (0.079 R)
• M43: 20,194,815 km (0.062 R)
• M44: 23,446,624 km (0.101 R)
• M45: 25,439,118 km (0.087 R)
• M46: 28,482,387 km (0.068 R)
• M47: 31,733,149 km (0.066 R)
• M48: 34,319,846 km (0.114 R)
• M49: 37,172,677 km (0.072 R)
• M50: 37,872,646 km (0.111 R)
• M51: 39,692,354 km (0.112 R)
• M52: 40,100,607 km (0.025 R)
• M53: 43,836,963 km (0.098 R)
• M54: 44,047,747 km (0.106 R)
• M55: 44,258,979 km (0.094 R)
• M56: 45,532,954 km (0.097 R)
• M57: 45,746,430 km (0.087 R)
• M58: 46,067,318 km (0.111 R)
• M59: 48,008,350 km (0.089 R)
• M60: 48,334,324 km (0.095 R)
• M61: 48,661,195 km (0.057 R)
• M62: 52,081,003 km (0.07 R)
• M63: 52,528,001 km (0.115 R)
• M64: 53,200,743 km (0.094 R)
• M65: 54,554,603 km (0.086 R)
• M66: 54,667,999 km (0.116 R)
• M67: 56,034,276 km (0.107 R)
• M68: 56,377,603 km (0.117 R)
• M69: 58,104,711 km (0.107 R)
• M70: 59,265,740 km (0.079 R)
• M71: 61,139,154 km (0.114 R)
• M72: 62,201,448 km (0.095 R)
• M73: 62,675,674 km (0.093 R)
• M74: 64,944,026 km (0.05 R)
• M75: 65,304,706 km (0.096 R)
• M76: 65,424,983 km (0.083 R)
• M77: 65,907,137 km (0.049 R)
• M78: 66,875,035 km (0.115 R)
• M79: 67,604,026 km (0.107 R)
• M80: 68,213,487 km (0.057 R)
• M81: 71,908,555 km (0.115 R)
• M82: 72,281,652 km (0.081 R)
• M83: 72,655,347 km (0.058 R)
• M84: 72,780,112 km (0.052 R)
• M85: 72,904,877 km (0.114 R)
• M86: 73,154,705 km (0.056 R)
• M87: 73,279,619 km (0.104 R)
• M88: 74,785,172 km (0.098 R)
• M89: 80,779,409 km (0.095 R)
• M90: 81,037,765 km (0.099 R)
• M91: 85,342,144 km (0.112 R)
• M92: 85,473,791 km (0.12 R)
• M93: 86,000,824 km (0.062 R)
• M94: 87,986,885 km (0.047 R)
• M95: 88,119,728 km (0.077 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 19,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit