🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.23 AU - 1.45 AU

Year: 654 Days

Day: 29.8 Hours

Environment

Temp: -83 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.25 AU - 1.53 AU

Year: 691 Days

Day: 40.7 Hours

Environment

Temp: -83 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,868,948 km

• M1: 518,057 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.27 AU - 1.53 AU

Year: 699 Days

Day: 23.7 Hours

Environment

Temp: -77 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,868,948 km

• M1: 770,728 km (0.083 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.28 AU - 2 AU

Year: 886 Days

Day: 24.8 Hours

Environment

Temp: -88 °C

Axial Tilt: 2.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.43 AU - 2.01 AU

Year: 951 Days

Day: 17.9 Hours

Environment

Temp: -91 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.11 AU - 2.45 AU

Year: 1452 Days

Day: 24.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.3

Radius: 9

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.43 AU - 3.57 AU

Year: 2192 Days

Day: 7.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 28,868,948 km

• M1: 174,880 km (0.094 R)
• M2: 233,971 km (0.081 R)
• M3: 299,944 km (0.105 R)
• M4: 463,454 km (0.101 R)
• M5: 615,296 km (0.091 R)
• M6: 723,754 km (0.103 R)
• M7: 799,900 km (0.08 R)
• M8: 886,966 km (0.083 R)
• M9: 1,071,121 km (0.088 R)
• M10: 1,159,084 km (0.074 R)
• M11: 1,457,382 km (0.095 R)
• M12: 1,565,542 km (0.101 R)
• M13: 1,676,394 km (0.114 R)
• M14: 1,738,028 km (0.116 R)
• M15: 2,003,115 km (0.1 R)
• M16: 2,068,639 km (0.065 R)
• M17: 2,715,501 km (0.117 R)
• M18: 2,800,622 km (0.062 R)
• M19: 3,010,956 km (0.115 R)
• M20: 3,162,649 km (0.109 R)
• M21: 3,686,540 km (0.118 R)
• M22: 3,780,937 km (0.095 R)
• M23: 3,972,422 km (0.091 R)
• M24: 4,097,037 km (0.108 R)
• M25: 4,265,484 km (0.098 R)
• M26: 4,364,817 km (0.11 R)
• M27: 4,710,987 km (0.112 R)
• M28: 4,828,421 km (0.025 R)
• M29: 4,887,512 km (0.034 R)
• M30: 4,961,713 km (0.075 R)
• M31: 5,096,201 km (0.074 R)
• M32: 5,353,659 km (0.118 R)
• M33: 5,506,997 km (0.109 R)
• M34: 5,646,422 km (0.114 R)
• M35: 5,771,187 km (0.089 R)
• M36: 5,960,129 km (0.054 R)
• M37: 6,103,294 km (0.094 R)
• M38: 6,425,378 km (0.03 R)
• M39: 6,506,759 km (0.115 R)
• M40: 6,670,569 km (0.094 R)
• M41: 6,918,902 km (0.083 R)
• M42: 7,339,571 km (0.075 R)
• M43: 7,924,947 km (0.103 R)
• M44: 8,029,815 km (0.033 R)
• M45: 8,205,593 km (0.081 R)
• M46: 8,507,481 km (0.091 R)
• M47: 8,596,941 km (0.089 R)
• M48: 8,722,753 km (0.109 R)
• M49: 9,360,788 km (0.085 R)
• M50: 9,564,540 km (0.104 R)
• M51: 9,657,590 km (0.103 R)
• M52: 9,750,939 km (0.058 R)
• M53: 9,825,887 km (0.082 R)
• M54: 10,108,478 km (0.078 R)
• M55: 10,241,321 km (0.064 R)
• M56: 10,894,615 km (0.089 R)
• M57: 11,403,397 km (0.113 R)
• M58: 11,482,385 km (0.102 R)
• M59: 12,241,594 km (0.042 R)
• M60: 12,362,918 km (0.101 R)
• M61: 12,627,257 km (0.071 R)
• M62: 13,203,059 km (0.099 R)
• M63: 13,369,113 km (0.106 R)
• M64: 13,452,289 km (0.065 R)
• M65: 13,535,765 km (0.09 R)
• M66: 14,103,638 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.5

Radius: 8.6

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.75 AU - 3.65 AU

Year: 2414 Days

Day: 12.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 28,868,948 km

• M1: 112,198 km (0.034 R)
• M2: 218,712 km (0.119 R)
• M3: 273,764 km (0.097 R)
• M4: 630,555 km (0.098 R)
• M5: 1,085,033 km (0.079 R)
• M6: 1,218,026 km (0.025 R)
• M7: 1,450,202 km (0.076 R)
• M8: 2,037,373 km (0.112 R)
• M9: 2,271,344 km (0.086 R)
• M10: 2,765,017 km (0.087 R)
• M11: 2,995,099 km (0.048 R)
• M12: 3,201,544 km (0.074 R)
• M13: 3,327,805 km (0.053 R)
• M14: 3,906,150 km (0.119 R)
• M15: 4,099,430 km (0.065 R)
• M16: 4,177,670 km (0.032 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.2

Radius: 14.2

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.12 AU - 4.06 AU

Year: 2869 Days

Day: 7.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 28,868,948 km

• M1: 216,917 km (0.079 R)
• M2: 340,485 km (0.075 R)
• M3: 486,642 km (0.12 R)
• M4: 674,836 km (0.046 R)
• M5: 995,275 km (0.094 R)
• M6: 1,165,517 km (0.076 R)
• M7: 1,346,231 km (0.094 R)
• M8: 1,440,179 km (0.111 R)
• M9: 1,839,755 km (0.114 R)
• M10: 1,977,385 km (0.068 R)
• M11: 2,085,544 km (0.073 R)
• M12: 2,434,257 km (0.037 R)
• M13: 2,574,280 km (0.093 R)
• M14: 2,765,466 km (0.088 R)
• M15: 3,023,523 km (0.088 R)
• M16: 3,315,538 km (0.1 R)
• M17: 3,764,182 km (0.085 R)
• M18: 3,982,146 km (0.101 R)
• M19: 4,373,793 km (0.099 R)
• M20: 4,487,936 km (0.061 R)
• M21: 4,617,637 km (0.108 R)
• M22: 4,719,364 km (0.047 R)
• M23: 4,880,780 km (0.097 R)
• M24: 5,224,406 km (0.076 R)
• M25: 5,483,510 km (0.071 R)
• M26: 6,237,932 km (0.089 R)
• M27: 6,366,885 km (0.105 R)
• M28: 6,643,941 km (0.11 R)
• M29: 7,260,733 km (0.072 R)
• M30: 7,464,784 km (0.118 R)
• M31: 7,722,392 km (0.105 R)
• M32: 7,843,716 km (0.048 R)
• M33: 7,948,284 km (0.04 R)
• M34: 8,602,775 km (0.042 R)
• M35: 8,692,534 km (0.112 R)
• M36: 8,927,552 km (0.101 R)
• M37: 9,237,968 km (0.093 R)
• M38: 9,869,570 km (0.11 R)
• M39: 9,963,667 km (0.117 R)
• M40: 10,285,751 km (0.075 R)
• M41: 10,419,492 km (0.038 R)
• M42: 11,037,780 km (0.12 R)
• M43: 11,568,852 km (0.042 R)
• M44: 11,807,461 km (0.092 R)
• M45: 12,350,651 km (0.088 R)
• M46: 12,737,660 km (0.114 R)
• M47: 13,170,297 km (0.071 R)
• M48: 13,294,763 km (0.086 R)
• M49: 13,482,209 km (0.065 R)
• M50: 14,198,334 km (0.113 R)
• M51: 14,411,212 km (0.076 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.4

Radius: 9.4

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.81 AU - 6.31 AU

Year: 4800 Days

Day: 12 Hours

Environment

Temp: -176 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 28,868,948 km

• M1: 217,216 km (0.065 R)
• M2: 539,450 km (0.057 R)
• M3: 719,267 km (0.096 R)
• M4: 791,971 km (0.075 R)
• M5: 945,459 km (0.062 R)
• M6: 1,026,092 km (0.087 R)
• M7: 1,137,393 km (0.099 R)
• M8: 1,639,144 km (0.116 R)
• M9: 1,704,369 km (0.119 R)
• M10: 2,132,218 km (0.116 R)
• M11: 2,479,286 km (0.043 R)
• M12: 2,864,051 km (0.06 R)
• M13: 3,144,697 km (0.115 R)
• M14: 3,288,311 km (0.106 R)
• M15: 3,350,693 km (0.107 R)
• M16: 3,561,028 km (0.117 R)
• M17: 3,972,721 km (0.115 R)
• M18: 4,263,240 km (0.05 R)
• M19: 4,354,046 km (0.03 R)
• M20: 4,794,163 km (0.077 R)
• M21: 4,983,853 km (0.113 R)
• M22: 5,370,414 km (0.101 R)
• M23: 5,691,750 km (0.101 R)
• M24: 5,943,224 km (0.08 R)
• M25: 6,070,382 km (0.066 R)
• M26: 6,327,392 km (0.119 R)
• M27: 6,535,482 km (0.119 R)
• M28: 6,852,031 km (0.049 R)
• M29: 7,065,807 km (0.103 R)
• M30: 7,859,274 km (0.079 R)
• M31: 8,026,973 km (0.1 R)
• M32: 8,280,691 km (0.047 R)
• M33: 8,394,385 km (0.09 R)
• M34: 8,508,528 km (0.112 R)
• M35: 8,883,122 km (0.075 R)
• M36: 8,999,509 km (0.092 R)
• M37: 9,499,764 km (0.106 R)
• M38: 10,465,867 km (0.06 R)
• M39: 10,527,202 km (0.114 R)
• M40: 10,650,471 km (0.084 R)
• M41: 10,743,072 km (0.034 R)
• M42: 10,929,321 km (0.109 R)
• M43: 11,085,352 km (0.059 R)
• M44: 12,037,093 km (0.107 R)
• M45: 12,133,584 km (0.056 R)
• M46: 12,295,150 km (0.104 R)
• M47: 12,555,300 km (0.055 R)
• M48: 12,653,287 km (0.081 R)
• M49: 13,080,838 km (0.072 R)
• M50: 13,613,556 km (0.051 R)
• M51: 14,085,388 km (0.111 R)
• M52: 14,665,827 km (0.12 R)
• M53: 15,010,800 km (0.114 R)
• M54: 15,114,770 km (0.119 R)
• M55: 15,708,824 km (0.099 R)
• M56: 16,524,730 km (0.091 R)
• M57: 17,064,180 km (0.089 R)
• M58: 17,572,963 km (0.064 R)
• M59: 19,166,629 km (0.088 R)
• M60: 20,114,331 km (0.103 R)
• M61: 20,459,154 km (0.084 R)
• M62: 20,690,134 km (0.093 R)
• M63: 21,154,784 km (0.114 R)
• M64: 21,310,516 km (0.113 R)
• M65: 21,544,637 km (0.119 R)
• M66: 21,701,266 km (0.101 R)
• M67: 21,936,882 km (0.107 R)
• M68: 22,015,571 km (0.105 R)
• M69: 22,173,247 km (0.111 R)
• M70: 22,569,232 km (0.117 R)
• M71: 22,728,404 km (0.117 R)
• M72: 24,339,274 km (0.062 R)
• M73: 24,788,666 km (0.107 R)
• M74: 24,911,785 km (0.08 R)
• M75: 25,323,329 km (0.118 R)
• M76: 25,945,058 km (0.057 R)
• M77: 26,529,836 km (0.073 R)
• M78: 26,908,019 km (0.105 R)
• M79: 27,712,407 km (0.094 R)
• M80: 27,840,164 km (0.12 R)
• M81: 28,825,864 km (0.076 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 16,764 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit