🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.78 AU - 0.82 AU

Year: 267 Days

Day: 19.7 Hours

Environment

Temp: 117 °C

Axial Tilt: 8.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 16,788,616 km

• M1: 225,594 km (0.103 R)
• M2: 327,769 km (0.101 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.81 AU - 0.85 AU

Year: 282 Days

Day: 19.6 Hours

Environment

Temp: 169 °C

Axial Tilt: 2.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.86 AU - 1.02 AU

Year: 340 Days

Day: 34.7 Hours

Environment

Temp: 39 °C

Axial Tilt: 13.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.24 AU - 1.56 AU

Year: 618 Days

Day: 22 Hours

Environment

Temp: -36 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.33 AU - 2.63 AU

Year: 1456 Days

Day: 19.4 Hours

Environment

Temp: -94 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 16,788,616 km

• M1: 788,530 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394

Radius: 10.1

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.95 AU - 7.87 AU

Year: 6771 Days

Day: 6.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 16,788,616 km

• M1: 176,376 km (0.105 R)
• M2: 268,977 km (0.084 R)
• M3: 437,574 km (0.043 R)
• M4: 575,503 km (0.077 R)
• M5: 668,403 km (0.078 R)
• M6: 792,420 km (0.096 R)
• M7: 884,273 km (0.066 R)
• M8: 1,022,053 km (0.09 R)
• M9: 1,122,882 km (0.101 R)
• M10: 1,610,421 km (0.074 R)
• M11: 1,850,974 km (0.065 R)
• M12: 2,347,490 km (0.104 R)
• M13: 2,482,876 km (0.065 R)
• M14: 3,263,029 km (0.06 R)
• M15: 3,657,668 km (0.074 R)
• M16: 3,837,933 km (0.105 R)
• M17: 3,906,449 km (0.057 R)
• M18: 3,975,264 km (0.065 R)
• M19: 4,540,295 km (0.083 R)
• M20: 4,612,701 km (0.073 R)
• M21: 4,685,555 km (0.109 R)
• M22: 4,807,776 km (0.105 R)
• M23: 4,881,678 km (0.096 R)
• M24: 5,231,438 km (0.114 R)
• M25: 5,589,425 km (0.067 R)
• M26: 5,667,067 km (0.088 R)
• M27: 5,902,534 km (0.067 R)
• M28: 6,275,182 km (0.07 R)
• M29: 6,437,196 km (0.114 R)
• M30: 6,518,877 km (0.107 R)
• M31: 6,820,765 km (0.108 R)
• M32: 7,240,088 km (0.117 R)
• M33: 7,467,178 km (0.117 R)
• M34: 7,957,410 km (0.041 R)
• M35: 8,369,103 km (0.07 R)
• M36: 8,637,332 km (0.118 R)
• M37: 9,521,156 km (0.078 R)
• M38: 10,052,528 km (0.065 R)
• M39: 10,147,373 km (0.102 R)
• M40: 10,369,676 km (0.093 R)
• M41: 11,308,103 km (0.084 R)
• M42: 11,637,817 km (0.077 R)
• M43: 11,770,660 km (0.032 R)
• M44: 12,273,309 km (0.063 R)
• M45: 12,544,230 km (0.073 R)
• M46: 13,092,058 km (0.12 R)
• M47: 13,230,286 km (0.049 R)
• M48: 13,473,383 km (0.046 R)
• M49: 14,459,981 km (0.1 R)
• M50: 15,469,916 km (0.06 R)
• M51: 16,168,239 km (0.09 R)
• M52: 16,279,390 km (0.112 R)
• M53: 16,764,237 km (0.093 R)
• M54: 16,989,531 km (0.073 R)
• M55: 17,140,326 km (0.07 R)
• M56: 17,519,257 km (0.094 R)
• M57: 18,016,072 km (0.09 R)
• M58: 18,131,262 km (0.104 R)
• M59: 18,672,657 km (0.1 R)
• M60: 18,828,238 km (0.107 R)
• M61: 19,337,021 km (0.069 R)
• M62: 19,771,154 km (0.089 R)
• M63: 19,850,441 km (0.103 R)
• M64: 20,128,693 km (0.045 R)
• M65: 21,133,093 km (0.083 R)
• M66: 21,539,401 km (0.119 R)
• M67: 21,743,602 km (0.08 R)
• M68: 22,442,373 km (0.062 R)
• M69: 22,732,294 km (0.045 R)
• M70: 24,242,933 km (0.102 R)
• M71: 25,053,155 km (0.103 R)
• M72: 25,310,913 km (0.103 R)
• M73: 25,440,015 km (0.1 R)
• M74: 25,785,587 km (0.106 R)
• M75: 25,915,587 km (0.044 R)
• M76: 26,089,270 km (0.08 R)
• M77: 27,315,823 km (0.064 R)
• M78: 27,669,772 km (0.094 R)
• M79: 27,847,195 km (0.075 R)
• M80: 28,069,647 km (0.105 R)
• M81: 28,337,277 km (0.12 R)
• M82: 28,830,352 km (0.078 R)
• M83: 30,097,895 km (0.077 R)
• M84: 30,371,958 km (0.025 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.4

Radius: 12.5

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 6.91 AU - 8.87 AU

Year: 8262 Days

Day: 5.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 16,788,616 km

• M1: 156,779 km (0.086 R)
• M2: 253,120 km (0.108 R)
• M3: 387,010 km (0.055 R)
• M4: 677,230 km (0.063 R)
• M5: 1,003,054 km (0.102 R)
• M6: 1,193,641 km (0.082 R)
• M7: 1,358,797 km (0.115 R)
• M8: 1,454,091 km (0.059 R)
• M9: 1,692,251 km (0.106 R)
• M10: 1,900,641 km (0.052 R)
• M11: 1,986,510 km (0.065 R)
• M12: 2,991,209 km (0.073 R)
• M13: 3,219,346 km (0.091 R)
• M14: 3,453,317 km (0.04 R)
• M15: 3,828,359 km (0.088 R)
• M16: 4,676,280 km (0.038 R)
• M17: 5,001,655 km (0.118 R)
• M18: 5,152,001 km (0.085 R)
• M19: 5,643,280 km (0.116 R)
• M20: 6,085,492 km (0.047 R)
• M21: 6,213,996 km (0.036 R)
• M22: 6,310,786 km (0.077 R)
• M23: 6,903,044 km (0.107 R)
• M24: 8,070,207 km (0.114 R)
• M25: 8,176,122 km (0.081 R)
• M26: 8,425,053 km (0.114 R)
• M27: 8,676,527 km (0.108 R)
• M28: 8,967,046 km (0.094 R)
• M29: 9,782,354 km (0.067 R)
• M30: 10,275,279 km (0.051 R)
• M31: 10,854,223 km (0.036 R)
• M32: 11,049,598 km (0.074 R)
• M33: 13,274,567 km (0.054 R)
• M34: 13,399,780 km (0.095 R)
• M35: 14,416,148 km (0.069 R)
• M36: 14,674,055 km (0.079 R)
• M37: 14,803,607 km (0.081 R)
• M38: 15,238,338 km (0.115 R)
• M39: 15,457,200 km (0.09 R)
• M40: 17,519,706 km (0.109 R)
• M41: 18,257,373 km (0.075 R)
• M42: 18,396,798 km (0.106 R)
• M43: 18,723,370 km (0.116 R)
• M44: 19,005,063 km (0.099 R)
• M45: 19,619,910 km (0.028 R)
• M46: 19,905,941 km (0.093 R)
• M47: 20,049,406 km (0.066 R)
• M48: 20,482,043 km (0.084 R)
• M49: 20,966,441 km (0.113 R)
• M50: 21,700,069 km (0.085 R)
• M51: 21,847,722 km (0.1 R)
• M52: 22,442,074 km (0.119 R)
• M53: 23,393,816 km (0.082 R)
• M54: 23,697,200 km (0.102 R)
• M55: 25,856,795 km (0.043 R)
• M56: 27,278,125 km (0.05 R)
• M57: 27,437,596 km (0.039 R)
• M58: 28,293,445 km (0.107 R)
• M59: 28,455,011 km (0.103 R)
• M60: 28,562,721 km (0.032 R)
• M61: 29,212,425 km (0.054 R)
• M62: 30,031,473 km (0.056 R)
• M63: 30,361,187 km (0.107 R)
• M64: 30,692,098 km (0.106 R)
• M65: 31,468,810 km (0.1 R)
• M66: 31,747,959 km (0.098 R)
• M67: 32,252,104 km (0.057 R)
• M68: 32,477,099 km (0.097 R)
• M69: 32,928,735 km (0.104 R)
• M70: 34,009,430 km (0.11 R)
• M71: 34,467,798 km (0.041 R)
• M72: 35,449,011 km (0.086 R)
• M73: 35,565,099 km (0.105 R)
• M74: 36,088,691 km (0.034 R)
• M75: 37,320,630 km (0.097 R)
• M76: 37,793,658 km (0.113 R)
• M77: 38,268,631 km (0.099 R)
• M78: 38,447,102 km (0.079 R)
• M79: 38,984,607 km (0.084 R)
• M80: 39,344,390 km (0.054 R)
• M81: 39,524,655 km (0.064 R)
• M82: 39,644,932 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40.3

Radius: 10.9

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.25 AU - 9.89 AU

Year: 8546 Days

Day: 7 Hours

Environment

Temp: -166 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 16,788,616 km

• M1: 230,830 km (0.117 R)
• M2: 356,193 km (0.115 R)
• M3: 424,409 km (0.112 R)
• M4: 961,615 km (0.101 R)
• M5: 1,093,411 km (0.073 R)
• M6: 1,181,374 km (0.108 R)
• M7: 1,375,702 km (0.118 R)
• M8: 1,449,903 km (0.109 R)
• M9: 1,569,581 km (0.095 R)
• M10: 2,093,473 km (0.072 R)
• M11: 2,229,756 km (0.094 R)
• M12: 2,709,367 km (0.098 R)
• M13: 2,982,084 km (0.067 R)
• M14: 3,220,992 km (0.103 R)
• M15: 3,364,456 km (0.12 R)
• M16: 3,598,577 km (0.044 R)
• M17: 3,687,737 km (0.096 R)
• M18: 3,853,192 km (0.09 R)
• M19: 4,175,875 km (0.103 R)
• M20: 4,765,889 km (0.115 R)
• M21: 5,129,113 km (0.042 R)
• M22: 5,246,547 km (0.086 R)
• M23: 5,604,535 km (0.079 R)
• M24: 5,708,206 km (0.093 R)
• M25: 6,129,623 km (0.109 R)
• M26: 6,688,820 km (0.087 R)
• M27: 7,021,077 km (0.081 R)
• M28: 7,434,416 km (0.068 R)
• M29: 7,625,003 km (0.103 R)
• M30: 7,740,194 km (0.113 R)
• M31: 7,817,237 km (0.106 R)
• M32: 8,050,011 km (0.107 R)
• M33: 8,206,490 km (0.102 R)
• M34: 8,462,901 km (0.109 R)
• M35: 8,641,970 km (0.072 R)
• M36: 8,862,477 km (0.049 R)
• M37: 9,166,310 km (0.046 R)
• M38: 9,268,336 km (0.114 R)
• M39: 9,391,306 km (0.051 R)
• M40: 9,473,584 km (0.046 R)
• M41: 9,763,505 km (0.058 R)
• M42: 9,951,400 km (0.105 R)
• M43: 10,436,995 km (0.098 R)
• M44: 11,387,540 km (0.065 R)
• M45: 11,585,457 km (0.093 R)
• M46: 11,673,720 km (0.062 R)
• M47: 12,029,165 km (0.118 R)
• M48: 12,253,113 km (0.11 R)
• M49: 12,614,392 km (0.111 R)
• M50: 12,750,825 km (0.097 R)
• M51: 12,864,818 km (0.07 R)
• M52: 13,025,038 km (0.102 R)
• M53: 13,139,929 km (0.108 R)
• M54: 13,370,609 km (0.031 R)
• M55: 13,695,835 km (0.096 R)
• M56: 13,882,832 km (0.12 R)
• M57: 14,047,240 km (0.107 R)
• M58: 14,188,610 km (0.069 R)
• M59: 14,711,155 km (0.1 R)
• M60: 14,830,834 km (0.103 R)
• M61: 15,022,917 km (0.038 R)
• M62: 15,167,429 km (0.097 R)
• M63: 16,688,839 km (0.078 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 12,764 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit