🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.57 AU - 0.57 AU

Year: 152 Days

Day: 37.9 Hours

Environment

Temp: 220 °C

Axial Tilt: 29.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.73 AU - 0.99 AU

Year: 282 Days

Day: 12.4 Hours

Environment

Temp: 168 °C

Axial Tilt: 23.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1 AU - 1.04 AU

Year: 364 Days

Day: 17.4 Hours

Environment

Temp: 151 °C

Axial Tilt: 35.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 34,666,594 km

• M1: 373,097 km (0.117 R)
• M2: 445,054 km (0.076 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.53 AU - 2.23 AU

Year: 910 Days

Day: 23.5 Hours

Environment

Temp: -58 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.54 AU - 3.84 AU

Year: 2503 Days

Day: 23.9 Hours

Environment

Temp: -104 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.84 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169

Radius: 11.1

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.67 AU - 6.31 AU

Year: 5177 Days

Day: 11 Hours

Environment

Temp: -150 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 34,666,594 km

• M1: 223,350 km (0.085 R)
• M2: 494,421 km (0.049 R)
• M3: 589,864 km (0.086 R)
• M4: 701,464 km (0.091 R)
• M5: 1,278,463 km (0.12 R)
• M6: 1,404,425 km (0.084 R)
• M7: 1,782,309 km (0.082 R)
• M8: 1,963,472 km (0.119 R)
• M9: 2,178,145 km (0.057 R)
• M10: 2,443,232 km (0.118 R)
• M11: 2,572,485 km (0.119 R)
• M12: 2,689,321 km (0.071 R)
• M13: 2,974,006 km (0.099 R)
• M14: 3,050,600 km (0.116 R)
• M15: 3,736,506 km (0.09 R)
• M16: 3,970,028 km (0.096 R)
• M17: 4,122,618 km (0.094 R)
• M18: 4,699,318 km (0.062 R)
• M19: 4,897,236 km (0.095 R)
• M20: 5,042,944 km (0.082 R)
• M21: 5,264,199 km (0.059 R)
• M22: 5,375,949 km (0.05 R)
• M23: 5,620,990 km (0.101 R)
• M24: 5,716,284 km (0.098 R)
• M25: 5,908,368 km (0.073 R)
• M26: 6,718,440 km (0.12 R)
• M27: 7,023,470 km (0.109 R)
• M28: 7,312,344 km (0.102 R)
• M29: 7,689,630 km (0.104 R)
• M30: 8,528,575 km (0.058 R)
• M31: 8,748,334 km (0.102 R)
• M32: 9,193,687 km (0.081 R)
• M33: 9,509,787 km (0.072 R)
• M34: 9,760,812 km (0.057 R)
• M35: 10,106,533 km (0.028 R)
• M36: 10,222,621 km (0.07 R)
• M37: 11,024,166 km (0.083 R)
• M38: 11,095,824 km (0.061 R)
• M39: 11,239,737 km (0.111 R)
• M40: 11,626,298 km (0.04 R)
• M41: 11,845,758 km (0.046 R)
• M42: 12,388,050 km (0.119 R)
• M43: 13,089,814 km (0.069 R)
• M44: 13,216,523 km (0.048 R)
• M45: 13,778,712 km (0.096 R)
• M46: 13,985,157 km (0.039 R)
• M47: 14,192,649 km (0.118 R)
• M48: 14,979,684 km (0.092 R)
• M49: 15,085,599 km (0.047 R)
• M50: 15,431,918 km (0.087 R)
• M51: 16,350,000 km (0.09 R)
• M52: 16,568,563 km (0.103 R)
• M53: 16,650,692 km (0.112 R)
• M54: 16,788,172 km (0.109 R)
• M55: 16,981,004 km (0.098 R)
• M56: 17,174,733 km (0.12 R)
• M57: 17,620,086 km (0.035 R)
• M58: 17,704,010 km (0.055 R)
• M59: 17,872,308 km (0.116 R)
• M60: 18,238,673 km (0.051 R)
• M61: 19,036,329 km (0.1 R)
• M62: 19,237,538 km (0.095 R)
• M63: 19,381,601 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.7

Radius: 11

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.66 AU - 9.1 AU

Year: 7079 Days

Day: 11.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 34,666,594 km

• M1: 180,714 km (0.077 R)
• M2: 282,890 km (0.105 R)
• M3: 477,516 km (0.091 R)
• M4: 781,200 km (0.094 R)
• M5: 1,397,244 km (0.026 R)
• M6: 1,804,001 km (0.12 R)
• M7: 1,959,283 km (0.027 R)
• M8: 2,703,533 km (0.082 R)
• M9: 2,802,417 km (0.067 R)
• M10: 2,963,085 km (0.04 R)
• M11: 3,745,931 km (0.1 R)
• M12: 4,171,985 km (0.082 R)
• M13: 4,332,953 km (0.105 R)
• M14: 4,472,528 km (0.062 R)
• M15: 4,972,932 km (0.097 R)
• M16: 5,416,191 km (0.106 R)
• M17: 5,491,289 km (0.084 R)
• M18: 5,897,896 km (0.102 R)
• M19: 6,026,999 km (0.075 R)
• M20: 6,209,209 km (0.089 R)
• M21: 6,340,556 km (0.111 R)
• M22: 6,740,132 km (0.1 R)
• M23: 6,848,142 km (0.084 R)
• M24: 7,480,043 km (0.093 R)
• M25: 7,732,415 km (0.114 R)
• M26: 8,361,324 km (0.108 R)
• M27: 8,652,591 km (0.096 R)
• M28: 9,245,148 km (0.108 R)
• M29: 9,576,807 km (0.093 R)
• M30: 9,759,316 km (0.045 R)
• M31: 10,158,593 km (0.088 R)
• M32: 10,282,610 km (0.113 R)
• M33: 10,657,652 km (0.095 R)
• M34: 11,005,317 km (0.096 R)
• M35: 11,196,503 km (0.1 R)
• M36: 11,324,708 km (0.093 R)
• M37: 12,037,991 km (0.102 R)
• M38: 12,532,711 km (0.055 R)
• M39: 12,632,343 km (0.115 R)
• M40: 12,866,165 km (0.096 R)
• M41: 13,236,420 km (0.092 R)
• M42: 13,507,940 km (0.089 R)
• M43: 13,678,481 km (0.074 R)
• M44: 13,746,997 km (0.094 R)
• M45: 14,264,007 km (0.035 R)
• M46: 14,402,984 km (0.084 R)
• M47: 14,542,409 km (0.069 R)
• M48: 14,963,228 km (0.082 R)
• M49: 15,175,208 km (0.049 R)
• M50: 15,317,176 km (0.109 R)
• M51: 15,495,048 km (0.083 R)
• M52: 15,889,089 km (0.032 R)
• M53: 16,467,883 km (0.075 R)
• M54: 16,980,106 km (0.119 R)
• M55: 17,090,659 km (0.107 R)
• M56: 17,275,263 km (0.07 R)
• M57: 17,349,314 km (0.106 R)
• M58: 18,057,809 km (0.111 R)
• M59: 18,737,881 km (0.047 R)
• M60: 18,813,877 km (0.05 R)
• M61: 19,157,653 km (0.113 R)
• M62: 20,084,113 km (0.1 R)
• M63: 20,317,934 km (0.101 R)
• M64: 20,827,913 km (0.083 R)
• M65: 20,985,589 km (0.071 R)
• M66: 21,421,517 km (0.112 R)
• M67: 21,501,104 km (0.12 R)
• M68: 24,140,160 km (0.087 R)
• M69: 24,264,475 km (0.099 R)
• M70: 24,721,946 km (0.119 R)
• M71: 25,014,559 km (0.079 R)
• M72: 25,140,221 km (0.057 R)
• M73: 25,476,667 km (0.12 R)
• M74: 25,814,459 km (0.112 R)
• M75: 26,281,504 km (0.105 R)
• M76: 26,409,260 km (0.067 R)
• M77: 26,494,680 km (0.075 R)
• M78: 27,482,774 km (0.102 R)
• M79: 27,742,476 km (0.051 R)
• M80: 29,627,858 km (0.118 R)
• M81: 29,716,570 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 81.9

Radius: 6.5

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 13.48 AU - 13.8 AU

Year: 17788 Days

Day: 22.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 34,666,594 km

• M1: 150,795 km (0.113 R)
• M2: 721,361 km (0.095 R)
• M3: 805,435 km (0.104 R)
• M4: 892,950 km (0.116 R)
• M5: 1,125,724 km (0.115 R)
• M6: 1,447,210 km (0.085 R)
• M7: 1,590,973 km (0.116 R)
• M8: 1,834,668 km (0.066 R)
• M9: 1,892,563 km (0.099 R)
• M10: 2,505,016 km (0.107 R)
• M11: 2,591,035 km (0.091 R)
• M12: 3,151,130 km (0.06 R)
• M13: 3,409,186 km (0.112 R)
• M14: 3,747,427 km (0.087 R)
• M15: 4,096,588 km (0.102 R)
• M16: 4,326,520 km (0.118 R)
• M17: 5,370,713 km (0.114 R)
• M18: 5,849,277 km (0.088 R)
• M19: 6,166,275 km (0.118 R)
• M20: 6,282,961 km (0.11 R)
• M21: 6,370,925 km (0.107 R)
• M22: 7,334,484 km (0.12 R)
• M23: 7,582,518 km (0.118 R)
• M24: 7,738,847 km (0.041 R)
• M25: 8,214,419 km (0.059 R)
• M26: 10,941,588 km (0.062 R)
• M27: 11,153,868 km (0.117 R)
• M28: 11,834,987 km (0.054 R)
• M29: 12,937,673 km (0.089 R)
• M30: 13,501,208 km (0.12 R)
• M31: 14,769,050 km (0.097 R)
• M32: 16,034,498 km (0.075 R)
• M33: 16,315,892 km (0.09 R)
• M34: 16,720,704 km (0.119 R)
• M35: 18,330,975 km (0.091 R)
• M36: 19,603,006 km (0.038 R)
• M37: 20,510,317 km (0.111 R)
• M38: 20,990,975 km (0.119 R)
• M39: 21,166,603 km (0.087 R)
• M40: 21,298,698 km (0.101 R)
• M41: 21,652,347 km (0.067 R)
• M42: 22,815,022 km (0.118 R)
• M43: 23,040,914 km (0.111 R)
• M44: 23,494,944 km (0.115 R)
• M45: 23,586,199 km (0.036 R)
• M46: 26,280,756 km (0.099 R)
• M47: 27,856,769 km (0.113 R)
• M48: 30,252,729 km (0.105 R)
• M49: 31,802,413 km (0.03 R)
• M50: 31,903,242 km (0.032 R)
• M51: 32,561,473 km (0.084 R)
• M52: 32,917,815 km (0.081 R)
• M53: 33,891,398 km (0.077 R)
• M54: 34,252,377 km (0.104 R)

Kuiper Belt

Range: 31.1 - 51.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 14,867 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit