🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.75 AU - 0.77 AU

Year: 252 Days

Day: 35.1 Hours

Environment

Temp: 161 °C

Axial Tilt: 17.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.72 AU - 1.16 AU

Year: 347 Days

Day: 29.7 Hours

Environment

Temp: 12 °C

Axial Tilt: 36.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.01 AU - 1.45 AU

Year: 519 Days

Day: 46.2 Hours

Environment

Temp: -33 °C

Axial Tilt: 20.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 41,832,572 km

• M1: 94,995 km (0.057 R)
• M2: 720,164 km (0.072 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.84 AU - 2.4 AU

Year: 1175 Days

Day: 19.4 Hours

Environment

Temp: -85 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.27 AU - 2.47 AU

Year: 1389 Days

Day: 35.4 Hours

Environment

Temp: -89 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.7

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.93 AU - 3.58 AU

Year: 2231 Days

Day: 38.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 41,832,572 km

• M1: 619,784 km (0.091 R)
• M2: 2,458,791 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928

Radius: 11.8

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 8.86 AU - 14.18 AU

Year: 14889 Days

Day: 13.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 41,832,572 km

• M1: 187,147 km (0.11 R)
• M2: 313,408 km (0.032 R)
• M3: 698,772 km (0.104 R)
• M4: 1,186,461 km (0.115 R)
• M5: 1,397,543 km (0.045 R)
• M6: 2,231,551 km (0.089 R)
• M7: 2,394,763 km (0.104 R)
• M8: 2,528,354 km (0.102 R)
• M9: 2,664,488 km (0.074 R)
• M10: 2,768,159 km (0.048 R)
• M11: 2,979,690 km (0.07 R)
• M12: 3,494,008 km (0.114 R)
• M13: 3,800,534 km (0.031 R)
• M14: 4,480,905 km (0.112 R)
• M15: 4,646,510 km (0.108 R)
• M16: 4,898,732 km (0.043 R)
• M17: 5,416,939 km (0.077 R)
• M18: 5,549,183 km (0.088 R)
• M19: 6,180,786 km (0.057 R)
• M20: 6,365,539 km (0.109 R)
• M21: 6,835,426 km (0.053 R)
• M22: 7,219,294 km (0.114 R)
• M23: 7,365,152 km (0.088 R)
• M24: 7,561,125 km (0.101 R)
• M25: 7,659,860 km (0.047 R)
• M26: 7,858,376 km (0.104 R)
• M27: 8,209,931 km (0.101 R)
• M28: 8,721,257 km (0.093 R)
• M29: 9,190,396 km (0.079 R)
• M30: 10,316,718 km (0.098 R)
• M31: 10,536,178 km (0.111 R)
• M32: 11,091,785 km (0.107 R)
• M33: 11,260,232 km (0.04 R)
• M34: 11,770,959 km (0.112 R)
• M35: 12,173,377 km (0.118 R)
• M36: 12,521,940 km (0.045 R)
• M37: 12,756,210 km (0.115 R)
• M38: 12,873,944 km (0.091 R)
• M39: 13,348,169 km (0.112 R)
• M40: 13,647,515 km (0.045 R)
• M41: 13,949,104 km (0.101 R)
• M42: 15,177,302 km (0.11 R)
• M43: 15,552,643 km (0.118 R)
• M44: 16,504,086 km (0.112 R)
• M45: 16,889,899 km (0.118 R)
• M46: 17,670,650 km (0.031 R)
• M47: 21,677,031 km (0.113 R)
• M48: 21,887,964 km (0.109 R)
• M49: 22,382,983 km (0.101 R)
• M50: 23,024,608 km (0.107 R)
• M51: 24,253,405 km (0.03 R)
• M52: 27,759,680 km (0.116 R)
• M53: 28,142,052 km (0.103 R)
• M54: 28,602,963 km (0.112 R)
• M55: 29,688,445 km (0.066 R)
• M56: 31,979,537 km (0.106 R)
• M57: 32,299,975 km (0.111 R)
• M58: 33,430,038 km (0.097 R)
• M59: 33,592,501 km (0.063 R)
• M60: 34,245,047 km (0.053 R)
• M61: 34,572,966 km (0.104 R)
• M62: 37,908,549 km (0.109 R)
• M63: 39,442,825 km (0.091 R)
• M64: 40,563,463 km (0.044 R)
• M65: 41,258,195 km (0.04 R)
• M66: 41,781,937 km (0.108 R)
• M67: 42,220,109 km (0.096 R)
• M68: 42,571,664 km (0.109 R)
• M69: 42,659,628 km (0.075 R)
• M70: 42,747,741 km (0.098 R)
• M71: 42,836,004 km (0.076 R)
• M72: 43,809,886 km (0.083 R)
• M73: 44,076,769 km (0.062 R)
• M74: 44,522,720 km (0.09 R)
• M75: 44,612,030 km (0.086 R)
• M76: 46,231,128 km (0.044 R)
• M77: 47,777,820 km (0.118 R)
• M78: 49,341,417 km (0.08 R)
• M79: 50,641,572 km (0.086 R)
• M80: 50,734,921 km (0.093 R)
• M81: 50,828,270 km (0.072 R)
• M82: 55,184,560 km (0.098 R)
• M83: 55,472,835 km (0.118 R)
• M84: 57,504,524 km (0.08 R)
• M85: 59,068,719 km (0.102 R)
• M86: 59,462,012 km (0.119 R)
• M87: 60,349,875 km (0.092 R)
• M88: 61,540,824 km (0.104 R)
• M89: 64,956,592 km (0.111 R)
• M90: 65,972,960 km (0.053 R)
• M91: 66,074,986 km (0.049 R)
• M92: 67,610,010 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103

Radius: 5.1

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 13.8 AU - 15.2 AU

Year: 21026 Days

Day: 20.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 41,832,572 km

• M1: 82,877 km (0.04 R)
• M2: 199,713 km (0.049 R)
• M3: 1,778,120 km (0.1 R)
• M4: 2,066,545 km (0.113 R)
• M5: 2,298,422 km (0.108 R)
• M6: 2,991,209 km (0.08 R)
• M7: 3,200,198 km (0.108 R)
• M8: 3,495,504 km (0.072 R)
• M9: 3,550,107 km (0.072 R)
• M10: 3,660,211 km (0.035 R)
• M11: 3,911,984 km (0.053 R)
• M12: 4,462,056 km (0.11 R)
• M13: 5,066,880 km (0.107 R)
• M14: 5,569,080 km (0.038 R)
• M15: 6,418,497 km (0.089 R)
• M16: 7,030,053 km (0.118 R)
• M17: 8,712,281 km (0.038 R)
• M18: 9,010,429 km (0.103 R)
• M19: 9,655,346 km (0.097 R)
• M20: 10,002,712 km (0.115 R)
• M21: 11,310,945 km (0.039 R)
• M22: 12,504,437 km (0.104 R)
• M23: 12,714,323 km (0.098 R)
• M24: 13,350,712 km (0.052 R)
• M25: 14,566,045 km (0.097 R)
• M26: 14,654,159 km (0.116 R)
• M27: 14,875,414 km (0.089 R)
• M28: 15,097,716 km (0.089 R)
• M29: 15,321,066 km (0.096 R)
• M30: 18,944,626 km (0.111 R)
• M31: 19,621,706 km (0.085 R)
• M32: 20,012,306 km (0.068 R)
• M33: 22,816,667 km (0.093 R)
• M34: 23,175,852 km (0.1 R)
• M35: 23,536,831 km (0.106 R)
• M36: 26,008,338 km (0.086 R)
• M37: 31,249,050 km (0.114 R)
• M38: 32,392,726 km (0.035 R)
• M39: 33,027,620 km (0.091 R)
• M40: 33,259,496 km (0.06 R)
• M41: 33,491,822 km (0.12 R)
• M42: 33,550,015 km (0.116 R)
• M43: 35,311,231 km (0.099 R)
• M44: 35,845,445 km (0.113 R)
• M45: 40,090,584 km (0.105 R)
• M46: 41,145,249 km (0.111 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 15,720 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit