🌌 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: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.44 AU - 0.64 AU

Year: 139 Days

Day: 13.4 Hours

Environment

Temp: 195 °C

Axial Tilt: 34.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.11 AU - 1.17 AU

Year: 428 Days

Day: 35.6 Hours

Environment

Temp: 33 °C

Axial Tilt: 16.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.34 AU - 1.56 AU

Year: 614 Days

Day: 26.6 Hours

Environment

Temp: -12 °C

Axial Tilt: 34.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 34,603,456 km

• M1: 225,444 km (0.098 R)
• M2: 863,778 km (0.111 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.62 AU - 1.78 AU

Year: 779 Days

Day: 43.3 Hours

Environment

Temp: -33 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.63 AU - 2.55 AU

Year: 1062 Days

Day: 30.1 Hours

Environment

Temp: -65 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,603,456 km

• M1: 367,562 km (0.093 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.37 AU - 3.14 AU

Year: 1603 Days

Day: 45.3 Hours

Environment

Temp: -86 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.73 AU - 2.87 AU

Year: 1647 Days

Day: 28.5 Hours

Environment

Temp: -83 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.6

Radius: 8.3

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.84 AU - 6.36 AU

Year: 4658 Days

Day: 9.7 Hours

Environment

Temp: -138 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 34,603,456 km

• M1: 147,354 km (0.097 R)
• M2: 248,183 km (0.071 R)
• M3: 449,242 km (0.085 R)
• M4: 506,090 km (0.034 R)
• M5: 581,038 km (0.098 R)
• M6: 660,026 km (0.102 R)
• M7: 734,675 km (0.1 R)
• M8: 865,573 km (0.031 R)
• M9: 1,042,996 km (0.091 R)
• M10: 1,389,615 km (0.095 R)
• M11: 1,643,931 km (0.091 R)
• M12: 1,724,265 km (0.051 R)
• M13: 1,806,095 km (0.101 R)
• M14: 1,997,880 km (0.032 R)
• M15: 2,059,215 km (0.064 R)
• M16: 2,323,704 km (0.068 R)
• M17: 3,152,626 km (0.074 R)
• M18: 3,253,155 km (0.114 R)
• M19: 3,501,937 km (0.115 R)
• M20: 3,787,369 km (0.089 R)
• M21: 4,018,199 km (0.1 R)
• M22: 4,332,953 km (0.09 R)
• M23: 4,672,091 km (0.102 R)
• M24: 5,003,002 km (0.041 R)
• M25: 5,154,544 km (0.088 R)
• M26: 5,444,764 km (0.09 R)
• M27: 5,583,142 km (0.092 R)
• M28: 5,952,200 km (0.06 R)
• M29: 6,166,574 km (0.098 R)
• M30: 6,474,596 km (0.119 R)
• M31: 6,732,203 km (0.105 R)
• M32: 6,862,204 km (0.096 R)
• M33: 7,200,445 km (0.109 R)
• M34: 7,679,307 km (0.077 R)
• M35: 7,932,277 km (0.113 R)
• M36: 8,506,733 km (0.117 R)
• M37: 9,012,673 km (0.101 R)
• M38: 9,674,494 km (0.063 R)
• M39: 10,309,238 km (0.105 R)
• M40: 10,394,808 km (0.045 R)
• M41: 10,502,219 km (0.105 R)
• M42: 10,804,856 km (0.117 R)
• M43: 11,396,665 km (0.108 R)
• M44: 11,999,096 km (0.111 R)
• M45: 12,202,100 km (0.091 R)
• M46: 12,474,667 km (0.107 R)
• M47: 12,588,810 km (0.112 R)
• M48: 13,374,349 km (0.095 R)
• M49: 13,678,930 km (0.115 R)
• M50: 14,128,173 km (0.034 R)
• M51: 14,486,160 km (0.1 R)
• M52: 14,944,079 km (0.041 R)
• M53: 15,065,403 km (0.114 R)
• M54: 15,235,646 km (0.106 R)
• M55: 15,602,908 km (0.115 R)
• M56: 15,750,561 km (0.115 R)
• M57: 16,221,346 km (0.035 R)
• M58: 16,296,145 km (0.086 R)
• M59: 16,872,994 km (0.073 R)
• M60: 16,948,840 km (0.11 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.8

Radius: 9.9

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 6.24 AU - 6.62 AU

Year: 5731 Days

Day: 14.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 34,603,456 km

• M1: 124,166 km (0.112 R)
• M2: 267,631 km (0.078 R)
• M3: 463,305 km (0.12 R)
• M4: 681,418 km (0.099 R)
• M5: 1,101,040 km (0.086 R)
• M6: 1,279,511 km (0.118 R)
• M7: 1,381,088 km (0.105 R)
• M8: 1,592,469 km (0.07 R)
• M9: 2,007,304 km (0.099 R)
• M10: 2,268,053 km (0.044 R)
• M11: 2,371,425 km (0.101 R)
• M12: 2,822,463 km (0.095 R)
• M13: 2,978,793 km (0.069 R)
• M14: 3,276,792 km (0.062 R)
• M15: 3,705,390 km (0.103 R)
• M16: 4,001,145 km (0.044 R)
• M17: 4,126,657 km (0.112 R)
• M18: 4,826,775 km (0.105 R)
• M19: 5,704,017 km (0.049 R)
• M20: 6,045,699 km (0.104 R)
• M21: 6,248,105 km (0.104 R)
• M22: 6,748,958 km (0.056 R)
• M23: 6,838,717 km (0.104 R)
• M24: 7,324,013 km (0.117 R)
• M25: 7,633,082 km (0.105 R)
• M26: 7,726,580 km (0.113 R)
• M27: 8,009,470 km (0.076 R)
• M28: 8,392,141 km (0.041 R)
• M29: 9,010,130 km (0.086 R)
• M30: 9,142,075 km (0.084 R)
• M31: 9,307,980 km (0.113 R)
• M32: 9,374,551 km (0.1 R)
• M33: 9,508,291 km (0.096 R)
• M34: 9,710,248 km (0.1 R)
• M35: 9,947,510 km (0.111 R)
• M36: 10,049,686 km (0.103 R)
• M37: 10,186,717 km (0.084 R)
• M38: 10,462,426 km (0.101 R)
• M39: 10,531,690 km (0.078 R)
• M40: 10,986,019 km (0.095 R)
• M41: 11,304,214 km (0.093 R)
• M42: 11,913,675 km (0.08 R)
• M43: 12,058,636 km (0.079 R)
• M44: 12,131,340 km (0.107 R)
• M45: 12,240,696 km (0.101 R)
• M46: 12,903,564 km (0.105 R)
• M47: 13,502,554 km (0.114 R)
• M48: 14,148,967 km (0.065 R)
• M49: 14,495,286 km (0.054 R)
• M50: 15,039,523 km (0.106 R)
• M51: 16,348,803 km (0.103 R)
• M52: 17,037,552 km (0.11 R)
• M53: 17,529,430 km (0.098 R)
• M54: 18,025,945 km (0.105 R)
• M55: 19,799,877 km (0.103 R)
• M56: 20,360,270 km (0.065 R)
• M57: 20,925,750 km (0.093 R)
• M58: 21,320,389 km (0.096 R)
• M59: 21,938,977 km (0.036 R)
• M60: 22,384,479 km (0.086 R)
• M61: 22,563,548 km (0.094 R)
• M62: 22,923,031 km (0.048 R)
• M63: 23,148,775 km (0.095 R)
• M64: 23,329,788 km (0.104 R)
• M65: 23,875,820 km (0.118 R)
• M66: 24,288,112 km (0.076 R)
• M67: 24,380,115 km (0.073 R)
• M68: 25,026,976 km (0.09 R)
• M69: 25,212,776 km (0.081 R)
• M70: 26,195,934 km (0.082 R)
• M71: 27,048,641 km (0.093 R)
• M72: 27,144,085 km (0.066 R)
• M73: 27,766,262 km (0.045 R)
• M74: 27,862,454 km (0.044 R)
• M75: 28,006,816 km (0.071 R)
• M76: 28,199,797 km (0.117 R)
• M77: 28,732,814 km (0.102 R)
• M78: 28,878,672 km (0.114 R)
• M79: 29,171,286 km (0.075 R)
• M80: 29,268,973 km (0.067 R)
• M81: 32,201,390 km (0.073 R)
• M82: 32,758,343 km (0.071 R)
• M83: 33,523,088 km (0.12 R)
• M84: 33,984,747 km (0.112 R)

Kuiper Belt

Range: 31.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 20,018 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit