🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.67 AU - 0.95 AU

Year: 261 Days

Day: 16.9 Hours

Environment

Temp: 163 °C

Axial Tilt: 10.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 113,686,607 km

• M1: 111,301 km (0.079 R)
• M2: 134,339 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.75 AU - 0.97 AU

Year: 286 Days

Day: 28.9 Hours

Environment

Temp: 115 °C

Axial Tilt: 15.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 113,686,607 km

• M1: 314,305 km (0.048 R)
• M2: 541,694 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.94

Radius: 1.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.13 AU - 1.21 AU

Year: 453 Days

Day: 34 Hours

Environment

Temp: 28 °C

Axial Tilt: 44.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 113,686,607 km

• M1: 242,349 km (0.1 R)
• M2: 511,176 km (0.086 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.35 AU - 1.75 AU

Year: 691 Days

Day: 25.4 Hours

Environment

Temp: -28 °C

Axial Tilt: 38.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.51 AU - 3.73 AU

Year: 2467 Days

Day: 42.5 Hours

Environment

Temp: -107 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.38 AU - 5.24 AU

Year: 3205 Days

Day: 46.4 Hours

Environment

Temp: -122 °C

Axial Tilt: 49.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.43 AU - 5.73 AU

Year: 4101 Days

Day: 32.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.3

Radius: 13.3

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 8.24 AU - 11.92 AU

Year: 11462 Days

Day: 5.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 113,686,607 km

• M1: 173,234 km (0.085 R)
• M2: 619,335 km (0.11 R)
• M3: 795,561 km (0.059 R)
• M4: 1,045,988 km (0.088 R)
• M5: 1,385,575 km (0.104 R)
• M6: 1,492,239 km (0.082 R)
• M7: 1,714,392 km (0.092 R)
• M8: 1,947,615 km (0.095 R)
• M9: 2,068,340 km (0.068 R)
• M10: 2,445,776 km (0.042 R)
• M11: 2,656,110 km (0.079 R)
• M12: 3,265,722 km (0.082 R)
• M13: 3,676,218 km (0.111 R)
• M14: 4,386,509 km (0.032 R)
• M15: 5,005,246 km (0.113 R)
• M16: 5,240,114 km (0.054 R)
• M17: 5,376,099 km (0.116 R)
• M18: 6,109,128 km (0.055 R)
• M19: 7,097,521 km (0.093 R)
• M20: 7,438,006 km (0.08 R)
• M21: 7,629,641 km (0.119 R)
• M22: 7,822,772 km (0.093 R)
• M23: 8,214,120 km (0.074 R)
• M24: 8,451,980 km (0.074 R)
• M25: 9,633,804 km (0.072 R)
• M26: 10,265,406 km (0.104 R)
• M27: 10,521,817 km (0.062 R)
• M28: 11,568,553 km (0.061 R)
• M29: 11,701,695 km (0.074 R)
• M30: 11,880,165 km (0.088 R)
• M31: 12,557,245 km (0.093 R)
• M32: 13,386,167 km (0.082 R)
• M33: 13,901,532 km (0.066 R)
• M34: 14,138,046 km (0.093 R)
• M35: 16,624,811 km (0.116 R)
• M36: 16,725,042 km (0.087 R)
• M37: 16,825,572 km (0.115 R)
• M38: 18,046,739 km (0.085 R)
• M39: 18,668,019 km (0.104 R)
• M40: 19,984,929 km (0.108 R)
• M41: 20,091,592 km (0.044 R)
• M42: 20,251,961 km (0.091 R)
• M43: 20,573,896 km (0.081 R)
• M44: 21,659,378 km (0.102 R)
• M45: 22,819,061 km (0.102 R)
• M46: 23,154,160 km (0.1 R)
• M47: 23,998,939 km (0.083 R)
• M48: 24,911,187 km (0.112 R)
• M49: 25,025,929 km (0.08 R)
• M50: 25,198,565 km (0.113 R)
• M51: 26,887,076 km (0.103 R)
• M52: 27,359,356 km (0.078 R)
• M53: 27,477,838 km (0.119 R)
• M54: 28,371,984 km (0.057 R)
• M55: 28,732,365 km (0.08 R)
• M56: 29,457,616 km (0.12 R)
• M57: 30,188,850 km (0.066 R)
• M58: 30,433,892 km (0.109 R)
• M59: 30,618,196 km (0.107 R)
• M60: 31,296,922 km (0.119 R)
• M61: 31,482,872 km (0.031 R)
• M62: 32,355,775 km (0.037 R)
• M63: 32,480,989 km (0.101 R)
• M64: 34,444,311 km (0.096 R)
• M65: 34,636,395 km (0.086 R)
• M66: 35,279,067 km (0.105 R)
• M67: 36,968,476 km (0.105 R)
• M68: 37,955,224 km (0.044 R)
• M69: 38,883,927 km (0.066 R)
• M70: 39,284,251 km (0.108 R)
• M71: 39,820,111 km (0.119 R)
• M72: 39,954,450 km (0.098 R)
• M73: 40,290,895 km (0.113 R)
• M74: 40,493,301 km (0.104 R)
• M75: 40,628,388 km (0.087 R)
• M76: 40,899,011 km (0.081 R)
• M77: 41,442,201 km (0.066 R)
• M78: 42,810,423 km (0.109 R)
• M79: 43,016,868 km (0.084 R)
• M80: 44,611,132 km (0.119 R)
• M81: 45,590,998 km (0.08 R)
• M82: 46,507,285 km (0.119 R)
• M83: 47,216,230 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969.8

Radius: 3.6

Gravity: 74.83 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 16.47 AU - 22.41 AU

Year: 30699 Days

Day: 18.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 113,686,607 km

• M1: 141,819 km (0.078 R)
• M2: 1,202,767 km (0.037 R)
• M3: 2,015,532 km (0.107 R)
• M4: 2,194,750 km (0.113 R)
• M5: 2,713,257 km (0.096 R)
• M6: 3,584,664 km (0.058 R)
• M7: 4,134,287 km (0.097 R)
• M8: 4,887,362 km (0.106 R)
• M9: 6,845,748 km (0.109 R)
• M10: 7,181,895 km (0.081 R)
• M11: 7,523,427 km (0.075 R)
• M12: 8,080,679 km (0.076 R)
• M13: 9,234,527 km (0.112 R)
• M14: 11,611,787 km (0.097 R)
• M15: 12,498,304 km (0.086 R)
• M16: 13,489,838 km (0.089 R)
• M17: 14,164,824 km (0.078 R)
• M18: 16,612,245 km (0.084 R)
• M19: 16,702,153 km (0.099 R)
• M20: 17,700,420 km (0.107 R)
• M21: 18,624,785 km (0.074 R)
• M22: 19,659,404 km (0.086 R)
• M23: 20,135,873 km (0.106 R)
• M24: 20,231,616 km (0.072 R)
• M25: 21,003,092 km (0.066 R)
• M26: 26,245,899 km (0.119 R)
• M27: 26,560,055 km (0.05 R)
• M28: 26,665,072 km (0.06 R)
• M29: 28,149,682 km (0.074 R)
• M30: 30,536,217 km (0.044 R)
• M31: 30,646,171 km (0.098 R)
• M32: 31,865,094 km (0.059 R)
• M33: 33,212,672 km (0.114 R)
• M34: 33,325,768 km (0.035 R)
• M35: 33,552,409 km (0.117 R)
• M36: 33,665,954 km (0.039 R)
• M37: 34,121,330 km (0.087 R)
• M38: 34,808,133 km (0.033 R)
• M39: 36,661,950 km (0.074 R)
• M40: 38,428,851 km (0.054 R)
• M41: 40,827,353 km (0.077 R)
• M42: 41,678,266 km (0.107 R)
• M43: 42,412,343 km (0.093 R)
• M44: 45,641,862 km (0.091 R)
• M45: 46,271,818 km (0.042 R)
• M46: 46,524,788 km (0.113 R)
• M47: 48,563,807 km (0.108 R)
• M48: 48,692,312 km (0.084 R)
• M49: 49,723,639 km (0.116 R)
• M50: 51,153,496 km (0.044 R)
• M51: 51,284,244 km (0.119 R)
• M52: 51,939,184 km (0.098 R)
• M53: 52,596,816 km (0.083 R)
• M54: 55,523,399 km (0.088 R)
• M55: 57,277,434 km (0.118 R)
• M56: 59,460,965 km (0.12 R)
• M57: 63,207,195 km (0.065 R)
• M58: 63,347,368 km (0.1 R)
• M59: 65,321,013 km (0.099 R)
• M60: 66,743,090 km (0.055 R)
• M61: 69,473,102 km (0.091 R)
• M62: 70,342,864 km (0.107 R)
• M63: 72,532,677 km (0.093 R)
• M64: 72,679,433 km (0.102 R)
• M65: 73,562,210 km (0.077 R)
• M66: 74,300,625 km (0.031 R)
• M67: 74,744,781 km (0.085 R)
• M68: 74,893,032 km (0.081 R)
• M69: 75,784,785 km (0.119 R)
• M70: 78,179,548 km (0.112 R)
• M71: 78,480,689 km (0.116 R)
• M72: 79,235,111 km (0.117 R)
• M73: 79,840,384 km (0.06 R)
• M74: 81,360,298 km (0.071 R)
• M75: 84,120,079 km (0.086 R)
• M76: 84,737,470 km (0.098 R)
• M77: 86,910,379 km (0.068 R)
• M78: 89,101,539 km (0.109 R)
• M79: 90,203,926 km (0.116 R)
• M80: 92,104,118 km (0.051 R)
• M81: 92,263,140 km (0.074 R)
• M82: 95,622,061 km (0.076 R)
• M83: 96,266,379 km (0.03 R)
• M84: 97,235,624 km (0.116 R)
• M85: 97,721,518 km (0.104 R)
• M86: 97,883,532 km (0.094 R)
• M87: 98,045,846 km (0.09 R)
• M88: 99,183,687 km (0.109 R)
• M89: 101,472,834 km (0.092 R)
• M90: 101,965,460 km (0.108 R)
• M91: 102,459,133 km (0.051 R)
• M92: 102,623,840 km (0.072 R)
• M93: 110,632,113 km (0.113 R)
• M94: 113,005,484 km (0.088 R)

Kuiper Belt

Range: 30.6 - 58.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 445 - 11,165 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit