🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.48 AU - 0.58 AU

Year: 143 Days

Day: 13.2 Hours

Environment

Temp: 247 °C

Axial Tilt: 6.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.93 AU - 1.13 AU

Year: 388 Days

Day: 44 Hours

Environment

Temp: 27 °C

Axial Tilt: 16.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.39 AU - 2.57 AU

Year: 1448 Days

Day: 16.6 Hours

Environment

Temp: -97 °C

Axial Tilt: 20.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.63 AU - 2.91 AU

Year: 1710 Days

Day: 28.5 Hours

Environment

Temp: -108 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.48 AU - 4.08 AU

Year: 2203 Days

Day: 30.6 Hours

Environment

Temp: -115 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.1

Radius: 10.6

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 5.33 AU - 5.49 AU

Year: 4667 Days

Day: 8.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 41,124,738 km

• M1: 136,882 km (0.075 R)
• M2: 247,136 km (0.117 R)
• M3: 352,602 km (0.104 R)
• M4: 531,820 km (0.044 R)
• M5: 781,649 km (0.083 R)
• M6: 1,040,004 km (0.12 R)
• M7: 1,127,370 km (0.085 R)
• M8: 1,263,354 km (0.099 R)
• M9: 1,357,152 km (0.087 R)
• M10: 1,502,561 km (0.107 R)
• M11: 1,704,518 km (0.116 R)
• M12: 1,791,435 km (0.112 R)
• M13: 1,969,905 km (0.096 R)
• M14: 2,540,022 km (0.068 R)
• M15: 2,660,000 km (0.106 R)
• M16: 2,782,072 km (0.096 R)
• M17: 3,010,657 km (0.1 R)
• M18: 3,642,559 km (0.079 R)
• M19: 3,847,059 km (0.118 R)
• M20: 4,172,733 km (0.072 R)
• M21: 4,629,007 km (0.096 R)
• M22: 4,727,143 km (0.057 R)
• M23: 5,304,890 km (0.101 R)
• M24: 5,381,933 km (0.049 R)
• M25: 5,537,066 km (0.078 R)
• M26: 5,641,336 km (0.03 R)
• M27: 6,253,640 km (0.066 R)
• M28: 6,362,397 km (0.116 R)
• M29: 6,859,212 km (0.096 R)
• M30: 7,197,303 km (0.076 R)
• M31: 7,483,334 km (0.075 R)
• M32: 8,066,616 km (0.086 R)
• M33: 8,393,787 km (0.12 R)
• M34: 8,574,052 km (0.077 R)
• M35: 9,245,896 km (0.049 R)
• M36: 9,557,060 km (0.108 R)
• M37: 9,934,795 km (0.058 R)
• M38: 10,061,803 km (0.066 R)
• M39: 10,966,272 km (0.096 R)
• M40: 11,528,012 km (0.114 R)
• M41: 11,896,471 km (0.025 R)
• M42: 12,439,362 km (0.042 R)
• M43: 12,576,394 km (0.098 R)
• M44: 13,796,514 km (0.115 R)
• M45: 13,938,333 km (0.096 R)
• M46: 14,044,996 km (0.08 R)
• M47: 14,295,124 km (0.09 R)
• M48: 14,474,641 km (0.108 R)
• M49: 14,727,162 km (0.101 R)
• M50: 15,090,536 km (0.116 R)
• M51: 15,236,693 km (0.032 R)
• M52: 15,715,107 km (0.097 R)
• M53: 15,789,158 km (0.092 R)
• M54: 15,863,209 km (0.113 R)
• M55: 16,049,159 km (0.037 R)
• M56: 16,273,107 km (0.065 R)
• M57: 16,611,048 km (0.12 R)
• M58: 16,913,386 km (0.094 R)
• M59: 18,102,240 km (0.101 R)
• M60: 18,530,539 km (0.035 R)
• M61: 18,804,901 km (0.099 R)
• M62: 19,199,092 km (0.09 R)
• M63: 19,875,573 km (0.084 R)
• M64: 20,357,727 km (0.106 R)
• M65: 20,559,834 km (0.104 R)
• M66: 20,721,998 km (0.074 R)
• M67: 21,497,812 km (0.099 R)
• M68: 21,621,231 km (0.076 R)
• M69: 22,241,763 km (0.068 R)
• M70: 22,742,317 km (0.04 R)
• M71: 23,839,617 km (0.099 R)
• M72: 24,138,065 km (0.072 R)
• M73: 24,437,710 km (0.118 R)
• M74: 24,954,122 km (0.079 R)
• M75: 25,170,440 km (0.089 R)
• M76: 25,257,207 km (0.081 R)
• M77: 25,430,890 km (0.073 R)
• M78: 25,866,818 km (0.076 R)
• M79: 26,657,593 km (0.093 R)
• M80: 27,278,274 km (0.094 R)
• M81: 27,679,795 km (0.118 R)
• M82: 27,903,743 km (0.09 R)
• M83: 29,579,239 km (0.094 R)
• M84: 29,991,830 km (0.027 R)
• M85: 30,175,686 km (0.077 R)
• M86: 30,915,148 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.8

Radius: 10.1

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 7.38 AU - 11.24 AU

Year: 10535 Days

Day: 7.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 41,124,738 km

• M1: 186,399 km (0.065 R)
• M2: 268,678 km (0.079 R)
• M3: 417,378 km (0.104 R)
• M4: 625,917 km (0.052 R)
• M5: 804,986 km (0.112 R)
• M6: 1,641,837 km (0.072 R)
• M7: 1,808,638 km (0.104 R)
• M8: 2,366,040 km (0.112 R)
• M9: 2,483,624 km (0.089 R)
• M10: 2,603,302 km (0.101 R)
• M11: 2,798,976 km (0.117 R)
• M12: 2,873,476 km (0.094 R)
• M13: 3,050,151 km (0.099 R)
• M14: 3,230,566 km (0.112 R)
• M15: 3,414,422 km (0.08 R)
• M16: 3,656,022 km (0.094 R)
• M17: 3,930,983 km (0.117 R)
• M18: 4,414,035 km (0.095 R)
• M19: 4,618,535 km (0.037 R)
• M20: 4,826,027 km (0.095 R)
• M21: 4,915,936 km (0.091 R)
• M22: 5,097,547 km (0.047 R)
• M23: 6,265,308 km (0.067 R)
• M24: 6,963,781 km (0.116 R)
• M25: 7,339,421 km (0.09 R)
• M26: 7,792,104 km (0.114 R)
• M27: 8,289,667 km (0.089 R)
• M28: 8,469,932 km (0.119 R)
• M29: 8,834,203 km (0.05 R)
• M30: 9,315,609 km (0.052 R)
• M31: 9,503,055 km (0.106 R)
• M32: 9,578,303 km (0.081 R)
• M33: 9,805,542 km (0.079 R)
• M34: 10,458,836 km (0.071 R)
• M35: 10,614,567 km (0.109 R)
• M36: 11,444,985 km (0.102 R)
• M37: 11,888,393 km (0.057 R)
• M38: 12,132,537 km (0.117 R)
• M39: 12,833,553 km (0.028 R)
• M40: 13,167,904 km (0.108 R)
• M41: 13,845,283 km (0.092 R)
• M42: 15,855,430 km (0.074 R)
• M43: 16,621,221 km (0.083 R)
• M44: 17,077,345 km (0.12 R)
• M45: 17,214,975 km (0.049 R)
• M46: 17,306,978 km (0.095 R)
• M47: 17,676,484 km (0.098 R)
• M48: 17,862,135 km (0.091 R)
• M49: 18,705,867 km (0.098 R)
• M50: 18,847,836 km (0.071 R)
• M51: 19,658,656 km (0.119 R)
• M52: 20,529,615 km (0.099 R)
• M53: 20,822,677 km (0.072 R)
• M54: 21,363,623 km (0.03 R)
• M55: 21,512,024 km (0.096 R)
• M56: 21,611,058 km (0.12 R)
• M57: 22,108,770 km (0.074 R)
• M58: 22,258,817 km (0.082 R)
• M59: 22,359,047 km (0.077 R)
• M60: 22,660,637 km (0.111 R)
• M61: 23,624,496 km (0.07 R)
• M62: 23,829,146 km (0.112 R)
• M63: 25,960,466 km (0.093 R)
• M64: 27,397,055 km (0.082 R)
• M65: 28,859,224 km (0.112 R)
• M66: 29,462,253 km (0.114 R)
• M67: 30,792,179 km (0.079 R)
• M68: 31,689,766 km (0.108 R)
• M69: 31,858,961 km (0.052 R)
• M70: 32,538,883 km (0.115 R)
• M71: 32,823,718 km (0.043 R)
• M72: 33,109,300 km (0.054 R)
• M73: 34,433,540 km (0.094 R)
• M74: 35,014,728 km (0.056 R)
• M75: 36,896,071 km (0.108 R)
• M76: 37,550,412 km (0.113 R)
• M77: 37,849,009 km (0.12 R)
• M78: 38,810,176 km (0.099 R)
• M79: 40,083,702 km (0.116 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 19,557 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit