🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.61 AU - 0.67 AU

Year: 186 Days

Day: 20 Hours

Environment

Temp: 171 °C

Axial Tilt: 35.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 21,496,019 km

• M1: 360,381 km (0.052 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.74 AU - 0.88 AU

Year: 265 Days

Day: 23.9 Hours

Environment

Temp: 153 °C

Axial Tilt: 18.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.91 AU - 1.01 AU

Year: 342 Days

Day: 36.6 Hours

Environment

Temp: 91 °C

Axial Tilt: 16.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.67 AU - 2.13 AU

Year: 952 Days

Day: 47.8 Hours

Environment

Temp: -51 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 21,496,019 km

• M1: 485,595 km (0.116 R)
• M2: 975,528 km (0.115 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.3 AU - 3.06 AU

Year: 1595 Days

Day: 12.6 Hours

Environment

Temp: -85 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.45 AU - 3.75 AU

Year: 1984 Days

Day: 40.5 Hours

Environment

Temp: -105 °C

Axial Tilt: 119.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.8

Radius: 14.3

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 4.87 AU - 6.75 AU

Year: 5090 Days

Day: 6.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 21,496,019 km

• M1: 256,411 km (0.11 R)
• M2: 355,295 km (0.082 R)
• M3: 530,624 km (0.101 R)
• M4: 859,290 km (0.075 R)
• M5: 1,284,447 km (0.113 R)
• M6: 1,429,707 km (0.11 R)
• M7: 1,580,950 km (0.1 R)
• M8: 1,773,333 km (0.084 R)
• M9: 1,918,293 km (0.098 R)
• M10: 2,914,167 km (0.094 R)
• M11: 3,065,260 km (0.067 R)
• M12: 3,442,995 km (0.091 R)
• M13: 3,580,027 km (0.066 R)
• M14: 3,883,112 km (0.107 R)
• M15: 4,170,489 km (0.103 R)
• M16: 4,589,812 km (0.076 R)
• M17: 4,817,351 km (0.068 R)
• M18: 5,178,779 km (0.073 R)
• M19: 5,928,115 km (0.103 R)
• M20: 6,484,320 km (0.048 R)
• M21: 6,626,138 km (0.059 R)
• M22: 6,826,300 km (0.058 R)
• M23: 6,941,491 km (0.097 R)
• M24: 7,617,075 km (0.118 R)
• M25: 7,766,822 km (0.095 R)
• M26: 7,857,030 km (0.041 R)
• M27: 7,978,054 km (0.1 R)
• M28: 8,406,204 km (0.077 R)
• M29: 9,445,161 km (0.105 R)
• M30: 10,094,565 km (0.098 R)
• M31: 10,524,509 km (0.084 R)
• M32: 11,163,741 km (0.118 R)
• M33: 11,436,608 km (0.111 R)
• M34: 11,815,539 km (0.085 R)
• M35: 12,409,293 km (0.106 R)
• M36: 12,656,728 km (0.073 R)
• M37: 12,798,696 km (0.077 R)
• M38: 12,905,659 km (0.088 R)
• M39: 13,084,428 km (0.095 R)
• M40: 13,336,201 km (0.1 R)
• M41: 13,480,863 km (0.026 R)
• M42: 13,662,325 km (0.053 R)
• M43: 14,211,648 km (0.112 R)
• M44: 15,030,547 km (0.102 R)
• M45: 15,635,670 km (0.112 R)
• M46: 16,403,407 km (0.067 R)
• M47: 16,636,031 km (0.099 R)
• M48: 16,987,287 km (0.1 R)
• M49: 17,301,443 km (0.074 R)
• M50: 17,855,852 km (0.04 R)
• M51: 18,335,762 km (0.041 R)
• M52: 18,820,011 km (0.056 R)
• M53: 19,185,927 km (0.11 R)
• M54: 19,390,278 km (0.119 R)
• M55: 19,595,227 km (0.067 R)
• M56: 20,297,888 km (0.068 R)
• M57: 20,631,342 km (0.119 R)
• M58: 21,092,851 km (0.107 R)
• M59: 21,261,448 km (0.113 R)
• M60: 21,727,595 km (0.088 R)
• M61: 22,154,397 km (0.104 R)
• M62: 22,454,790 km (0.116 R)
• M63: 22,583,893 km (0.11 R)
• M64: 22,929,464 km (0.048 R)
• M65: 23,189,764 km (0.108 R)
• M66: 24,861,371 km (0.103 R)
• M67: 24,950,531 km (0.101 R)
• M68: 27,440,887 km (0.076 R)
• M69: 28,366,150 km (0.08 R)
• M70: 28,739,097 km (0.099 R)
• M71: 28,926,095 km (0.103 R)
• M72: 29,678,572 km (0.108 R)
• M73: 30,104,627 km (0.078 R)
• M74: 30,819,256 km (0.106 R)
• M75: 31,106,633 km (0.108 R)
• M76: 31,202,675 km (0.062 R)
• M77: 31,394,908 km (0.088 R)
• M78: 31,684,081 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.7

Radius: 12.9

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 5.34 AU - 7.6 AU

Year: 5981 Days

Day: 9.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 21,496,019 km

• M1: 161,117 km (0.12 R)
• M2: 276,906 km (0.113 R)
• M3: 391,797 km (0.063 R)
• M4: 726,896 km (0.067 R)
• M5: 907,161 km (0.079 R)
• M6: 1,160,431 km (0.116 R)
• M7: 1,242,261 km (0.117 R)
• M8: 1,399,937 km (0.114 R)
• M9: 1,500,317 km (0.1 R)
• M10: 1,789,789 km (0.079 R)
• M11: 2,054,428 km (0.113 R)
• M12: 2,332,081 km (0.105 R)
• M13: 2,763,671 km (0.118 R)
• M14: 3,120,462 km (0.065 R)
• M15: 3,578,979 km (0.098 R)
• M16: 4,004,436 km (0.091 R)
• M17: 4,483,897 km (0.077 R)
• M18: 4,730,584 km (0.08 R)
• M19: 5,020,804 km (0.066 R)
• M20: 5,237,421 km (0.088 R)
• M21: 5,578,205 km (0.113 R)
• M22: 5,741,117 km (0.061 R)
• M23: 5,926,320 km (0.104 R)
• M24: 6,155,504 km (0.1 R)
• M25: 6,665,483 km (0.09 R)
• M26: 6,991,307 km (0.096 R)
• M27: 7,433,817 km (0.113 R)
• M28: 7,749,020 km (0.074 R)
• M29: 7,885,453 km (0.085 R)
• M30: 8,206,939 km (0.066 R)
• M31: 8,322,878 km (0.067 R)
• M32: 8,462,602 km (0.071 R)
• M33: 8,791,867 km (0.117 R)
• M34: 9,029,727 km (0.091 R)
• M35: 9,366,173 km (0.061 R)
• M36: 9,487,347 km (0.108 R)
• M37: 10,175,647 km (0.105 R)
• M38: 10,576,270 km (0.035 R)
• M39: 10,956,548 km (0.073 R)
• M40: 11,730,567 km (0.09 R)
• M41: 12,282,883 km (0.119 R)
• M42: 12,389,097 km (0.108 R)
• M43: 13,358,491 km (0.054 R)
• M44: 13,522,451 km (0.042 R)
• M45: 13,742,060 km (0.112 R)
• M46: 14,046,043 km (0.115 R)
• M47: 14,157,045 km (0.053 R)
• M48: 14,268,495 km (0.052 R)
• M49: 14,436,045 km (0.079 R)
• M50: 14,576,368 km (0.058 R)
• M51: 14,688,716 km (0.056 R)
• M52: 15,426,981 km (0.086 R)
• M53: 15,512,850 km (0.103 R)
• M54: 15,599,019 km (0.114 R)
• M55: 15,685,337 km (0.052 R)
• M56: 15,800,527 km (0.038 R)
• M57: 16,031,955 km (0.076 R)
• M58: 16,293,602 km (0.043 R)
• M59: 16,410,438 km (0.096 R)
• M60: 16,527,423 km (0.09 R)
• M61: 17,863,332 km (0.056 R)
• M62: 17,983,758 km (0.079 R)
• M63: 18,407,420 km (0.098 R)
• M64: 18,559,561 km (0.098 R)
• M65: 20,103,411 km (0.082 R)
• M66: 20,637,774 km (0.111 R)
• M67: 20,986,038 km (0.072 R)
• M68: 21,113,196 km (0.05 R)
• M69: 21,208,640 km (0.107 R)

Kuiper Belt

Range: 30.2 - 47.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 12,441 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit