🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.45 AU - 0.75 AU

Year: 166 Days

Day: 19.5 Hours

Environment

Temp: 230 °C

Axial Tilt: 13.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.55 AU - 0.77 AU

Year: 191 Days

Day: 14.5 Hours

Environment

Temp: 174 °C

Axial Tilt: 21.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.87 AU - 1.29 AU

Year: 400 Days

Day: 29.5 Hours

Environment

Temp: 44 °C

Axial Tilt: 4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 37,826,107 km

• M1: 68,366 km (0.066 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.61 AU - 2.39 AU

Year: 1008 Days

Day: 12.7 Hours

Environment

Temp: -57 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.99 AU - 2.17 AU

Year: 1069 Days

Day: 25.7 Hours

Environment

Temp: -67 °C

Axial Tilt: 10.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.03 AU - 2.35 AU

Year: 1155 Days

Day: 27.7 Hours

Environment

Temp: -69 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.9

Radius: 8.6

Gravity: 11.23 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 8.54 AU - 10.04 AU

Year: 10093 Days

Day: 6.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 37,826,107 km

• M1: 137,032 km (0.108 R)
• M2: 201,209 km (0.069 R)
• M3: 274,512 km (0.047 R)
• M4: 533,017 km (0.075 R)
• M5: 823,985 km (0.084 R)
• M6: 1,037,312 km (0.106 R)
• M7: 1,246,749 km (0.117 R)
• M8: 1,312,273 km (0.097 R)
• M9: 1,705,865 km (0.071 R)
• M10: 2,005,210 km (0.064 R)
• M11: 2,108,732 km (0.11 R)
• M12: 2,624,695 km (0.113 R)
• M13: 2,824,557 km (0.066 R)
• M14: 2,999,886 km (0.082 R)
• M15: 3,118,816 km (0.086 R)
• M16: 3,641,362 km (0.055 R)
• M17: 3,832,398 km (0.116 R)
• M18: 4,059,488 km (0.077 R)
• M19: 4,560,940 km (0.119 R)
• M20: 5,011,229 km (0.038 R)
• M21: 5,917,045 km (0.064 R)
• M22: 6,331,580 km (0.069 R)
• M23: 6,407,875 km (0.055 R)
• M24: 6,833,481 km (0.072 R)
• M25: 7,148,684 km (0.071 R)
• M26: 7,348,247 km (0.03 R)
• M27: 7,875,430 km (0.119 R)
• M28: 8,456,917 km (0.12 R)
• M29: 9,661,030 km (0.117 R)
• M30: 10,014,829 km (0.085 R)
• M31: 10,463,174 km (0.102 R)
• M32: 10,780,771 km (0.069 R)
• M33: 12,801,239 km (0.063 R)
• M34: 13,434,637 km (0.111 R)
• M35: 15,343,954 km (0.057 R)
• M36: 16,277,744 km (0.092 R)
• M37: 16,593,097 km (0.085 R)
• M38: 16,857,436 km (0.058 R)
• M39: 17,336,897 km (0.076 R)
• M40: 17,820,697 km (0.032 R)
• M41: 20,249,269 km (0.077 R)
• M42: 21,100,630 km (0.04 R)
• M43: 21,272,368 km (0.057 R)
• M44: 21,559,596 km (0.109 R)
• M45: 23,843,208 km (0.057 R)
• M46: 24,141,656 km (0.097 R)
• M47: 24,261,334 km (0.071 R)
• M48: 24,741,992 km (0.096 R)
• M49: 24,862,568 km (0.058 R)
• M50: 24,923,005 km (0.116 R)
• M51: 25,225,791 km (0.045 R)
• M52: 25,712,732 km (0.032 R)
• M53: 25,773,768 km (0.101 R)
• M54: 26,387,269 km (0.112 R)
• M55: 26,634,106 km (0.077 R)
• M56: 26,881,690 km (0.096 R)
• M57: 27,691,314 km (0.1 R)
• M58: 28,509,165 km (0.032 R)
• M59: 29,207,189 km (0.118 R)
• M60: 30,232,832 km (0.077 R)
• M61: 30,685,066 km (0.048 R)
• M62: 30,944,619 km (0.074 R)
• M63: 31,400,443 km (0.119 R)
• M64: 31,465,818 km (0.091 R)
• M65: 34,047,877 km (0.045 R)
• M66: 34,720,918 km (0.103 R)
• M67: 35,602,348 km (0.102 R)
• M68: 36,285,412 km (0.095 R)
• M69: 36,559,775 km (0.039 R)
• M70: 36,972,665 km (0.051 R)
• M71: 39,130,764 km (0.102 R)
• M72: 39,906,279 km (0.077 R)
• M73: 40,473,405 km (0.053 R)
• M74: 42,841,240 km (0.111 R)
• M75: 43,058,755 km (0.113 R)
• M76: 43,713,395 km (0.073 R)
• M77: 44,591,385 km (0.116 R)
• M78: 45,106,152 km (0.088 R)
• M79: 46,067,467 km (0.063 R)
• M80: 47,859,949 km (0.115 R)
• M81: 48,085,692 km (0.053 R)
• M82: 48,160,940 km (0.111 R)
• M83: 48,764,717 km (0.115 R)
• M84: 49,371,037 km (0.103 R)
• M85: 49,675,170 km (0.075 R)
• M86: 49,979,901 km (0.073 R)
• M87: 50,285,230 km (0.054 R)
• M88: 51,204,958 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.3

Radius: 9.2

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 7.95 AU - 11.19 AU

Year: 10553 Days

Day: 14.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 37,826,107 km

• M1: 117,734 km (0.051 R)
• M2: 281,693 km (0.066 R)
• M3: 486,492 km (0.082 R)
• M4: 561,590 km (0.116 R)
• M5: 739,313 km (0.106 R)
• M6: 999,912 km (0.026 R)
• M7: 1,065,436 km (0.106 R)
• M8: 1,183,918 km (0.12 R)
• M9: 1,565,991 km (0.119 R)
• M10: 1,701,676 km (0.116 R)
• M11: 1,781,112 km (0.073 R)
• M12: 1,922,931 km (0.094 R)
• M13: 2,068,789 km (0.062 R)
• M14: 2,153,761 km (0.111 R)
• M15: 2,371,276 km (0.092 R)
• M16: 2,505,316 km (0.08 R)
• M17: 2,619,010 km (0.119 R)
• M18: 2,734,499 km (0.049 R)
• M19: 3,018,436 km (0.115 R)
• M20: 3,563,571 km (0.092 R)
• M21: 3,821,627 km (0.076 R)
• M22: 4,032,411 km (0.118 R)
• M23: 5,200,770 km (0.084 R)
• M24: 5,672,003 km (0.075 R)
• M25: 6,249,152 km (0.09 R)
• M26: 6,404,285 km (0.091 R)
• M27: 6,592,030 km (0.109 R)
• M28: 6,686,576 km (0.036 R)
• M29: 7,069,397 km (0.026 R)
• M30: 7,198,500 km (0.067 R)
• M31: 7,459,249 km (0.103 R)
• M32: 7,557,834 km (0.103 R)
• M33: 8,636,285 km (0.087 R)
• M34: 9,228,693 km (0.03 R)
• M35: 9,726,405 km (0.089 R)
• M36: 10,526,155 km (0.09 R)
• M37: 10,859,459 km (0.066 R)
• M38: 10,971,358 km (0.086 R)
• M39: 11,422,545 km (0.069 R)
• M40: 12,265,679 km (0.063 R)
• M41: 12,421,111 km (0.105 R)
• M42: 13,248,088 km (0.058 R)
• M43: 13,728,447 km (0.115 R)
• M44: 13,889,863 km (0.075 R)
• M45: 18,792,784 km (0.108 R)
• M46: 18,972,002 km (0.032 R)
• M47: 19,287,205 km (0.093 R)
• M48: 19,468,069 km (0.079 R)
• M49: 19,695,008 km (0.047 R)
• M50: 20,014,101 km (0.035 R)
• M51: 22,437,736 km (0.101 R)
• M52: 23,539,075 km (0.078 R)
• M53: 24,071,943 km (0.108 R)
• M54: 24,413,176 km (0.115 R)
• M55: 24,657,918 km (0.048 R)
• M56: 24,854,190 km (0.037 R)
• M57: 26,343,287 km (0.06 R)
• M58: 26,795,671 km (0.116 R)
• M59: 27,250,599 km (0.115 R)
• M60: 27,504,466 km (0.086 R)
• M61: 27,708,069 km (0.088 R)
• M62: 28,579,177 km (0.084 R)
• M63: 28,682,250 km (0.045 R)
• M64: 29,719,711 km (0.085 R)
• M65: 30,875,205 km (0.054 R)
• M66: 31,033,929 km (0.116 R)
• M67: 31,139,844 km (0.104 R)
• M68: 31,884,841 km (0.047 R)
• M69: 32,689,678 km (0.07 R)
• M70: 32,797,388 km (0.12 R)
• M71: 33,827,519 km (0.114 R)
• M72: 34,045,633 km (0.118 R)
• M73: 34,978,226 km (0.117 R)
• M74: 35,088,480 km (0.089 R)
• M75: 35,919,197 km (0.098 R)
• M76: 36,476,598 km (0.096 R)
• M77: 37,318,086 km (0.112 R)
• M78: 37,543,680 km (0.085 R)

Kuiper Belt

Range: 30.8 - 51.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 16,403 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit