🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.5 AU - 0.61 AU

Year: 143 Days

Day: 31.7 Hours

Environment

Temp: 273 °C

Axial Tilt: 23.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 103,539,019 km

• M1: 167,849 km (0.097 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.46 AU - 1.7 AU

Year: 698 Days

Day: 40.3 Hours

Environment

Temp: -23 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.18 AU - 4.94 AU

Year: 2875 Days

Day: 38.9 Hours

Environment

Temp: -116 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 103,539,019 km

• M1: 603,627 km (0.071 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.2 AU - 4.56 AU

Year: 3222 Days

Day: 17.4 Hours

Environment

Temp: -120 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 103,539,019 km

• M1: 788,231 km (0.112 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.39 AU - 5.11 AU

Year: 3638 Days

Day: 46.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 103,539,019 km

• M1: 218,263 km (0.078 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.5

Radius: 13

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 5.88 AU - 6.14 AU

Year: 5178 Days

Day: 14.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 103,539,019 km

• M1: 163,062 km (0.11 R)
• M2: 246,687 km (0.047 R)
• M3: 527,482 km (0.115 R)
• M4: 647,011 km (0.089 R)
• M5: 809,324 km (0.117 R)
• M6: 1,021,903 km (0.09 R)
• M7: 1,168,210 km (0.108 R)
• M8: 1,302,249 km (0.108 R)
• M9: 1,482,814 km (0.086 R)
• M10: 1,607,878 km (0.085 R)
• M11: 1,693,298 km (0.099 R)
• M12: 1,813,575 km (0.084 R)
• M13: 2,028,098 km (0.104 R)
• M14: 2,311,287 km (0.082 R)
• M15: 2,607,491 km (0.034 R)
• M16: 2,696,352 km (0.112 R)
• M17: 2,929,426 km (0.046 R)
• M18: 3,374,180 km (0.102 R)
• M19: 3,883,710 km (0.096 R)
• M20: 4,088,659 km (0.094 R)
• M21: 4,267,130 km (0.085 R)
• M22: 4,849,365 km (0.053 R)
• M23: 5,022,749 km (0.086 R)
• M24: 5,230,241 km (0.074 R)
• M25: 5,670,358 km (0.032 R)
• M26: 5,753,235 km (0.107 R)
• M27: 5,920,186 km (0.058 R)
• M28: 6,327,392 km (0.106 R)
• M29: 6,534,435 km (0.115 R)
• M30: 6,743,722 km (0.088 R)
• M31: 7,186,981 km (0.115 R)
• M32: 7,348,846 km (0.085 R)
• M33: 7,439,353 km (0.078 R)
• M34: 7,768,169 km (0.092 R)
• M35: 8,064,522 km (0.077 R)
• M36: 8,364,615 km (0.118 R)
• M37: 8,459,161 km (0.061 R)
• M38: 8,975,872 km (0.074 R)
• M39: 9,286,886 km (0.077 R)
• M40: 9,443,814 km (0.102 R)
• M41: 9,542,250 km (0.09 R)
• M42: 9,780,110 km (0.055 R)
• M43: 9,999,870 km (0.114 R)
• M44: 10,423,830 km (0.069 R)
• M45: 10,853,774 km (0.103 R)
• M46: 10,977,791 km (0.114 R)
• M47: 11,688,979 km (0.088 R)
• M48: 11,879,717 km (0.102 R)
• M49: 12,007,473 km (0.115 R)
• M50: 12,285,875 km (0.052 R)
• M51: 12,718,362 km (0.036 R)
• M52: 13,310,022 km (0.092 R)
• M53: 13,487,146 km (0.088 R)
• M54: 13,598,297 km (0.076 R)
• M55: 14,452,351 km (0.109 R)
• M56: 14,588,934 km (0.113 R)
• M57: 14,771,443 km (0.096 R)
• M58: 14,908,924 km (0.056 R)
• M59: 15,300,721 km (0.038 R)
• M60: 15,672,621 km (0.037 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.5

Radius: 10.2

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 9.58 AU - 14.02 AU

Year: 14246 Days

Day: 14 Hours

Environment

Temp: -185 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 103,539,019 km

• M1: 135,236 km (0.112 R)
• M2: 260,151 km (0.113 R)
• M3: 474,375 km (0.074 R)
• M4: 695,630 km (0.038 R)
• M5: 1,759,720 km (0.081 R)
• M6: 2,110,826 km (0.069 R)
• M7: 2,538,825 km (0.053 R)
• M8: 4,044,229 km (0.045 R)
• M9: 5,665,122 km (0.08 R)
• M10: 6,562,260 km (0.088 R)
• M11: 6,793,539 km (0.116 R)
• M12: 7,303,667 km (0.05 R)
• M13: 7,866,903 km (0.107 R)
• M14: 8,485,939 km (0.109 R)
• M15: 8,780,198 km (0.09 R)
• M16: 9,077,898 km (0.089 R)
• M17: 9,292,421 km (0.039 R)
• M18: 9,858,500 km (0.068 R)
• M19: 11,069,345 km (0.107 R)
• M20: 11,344,904 km (0.087 R)
• M21: 12,421,710 km (0.104 R)
• M22: 12,564,576 km (0.116 R)
• M23: 13,287,133 km (0.116 R)
• M24: 13,727,101 km (0.093 R)
• M25: 13,924,271 km (0.077 R)
• M26: 14,571,281 km (0.099 R)
• M27: 15,432,217 km (0.058 R)
• M28: 17,469,142 km (0.117 R)
• M29: 18,383,185 km (0.059 R)
• M30: 18,491,793 km (0.119 R)
• M31: 18,655,004 km (0.09 R)
• M32: 20,201,547 km (0.081 R)
• M33: 21,331,310 km (0.097 R)
• M34: 21,788,930 km (0.12 R)
• M35: 22,192,096 km (0.114 R)
• M36: 24,125,349 km (0.109 R)
• M37: 24,482,739 km (0.115 R)
• M38: 24,781,785 km (0.082 R)
• M39: 25,868,464 km (0.04 R)
• M40: 26,112,159 km (0.066 R)
• M41: 26,540,308 km (0.107 R)
• M42: 27,651,970 km (0.051 R)
• M43: 28,150,879 km (0.116 R)
• M44: 28,464,136 km (0.075 R)
• M45: 28,652,779 km (0.113 R)
• M46: 28,904,852 km (0.08 R)
• M47: 29,538,249 km (0.09 R)
• M48: 29,601,828 km (0.105 R)
• M49: 29,665,407 km (0.12 R)
• M50: 29,729,136 km (0.116 R)
• M51: 31,141,639 km (0.076 R)
• M52: 32,707,480 km (0.066 R)
• M53: 33,699,015 km (0.036 R)
• M54: 34,633,403 km (0.049 R)
• M55: 34,700,572 km (0.057 R)
• M56: 34,901,931 km (0.096 R)
• M57: 35,103,888 km (0.089 R)
• M58: 37,143,655 km (0.06 R)
• M59: 37,280,986 km (0.068 R)
• M60: 37,970,333 km (0.09 R)
• M61: 41,479,450 km (0.117 R)
• M62: 42,408,752 km (0.077 R)
• M63: 43,056,062 km (0.074 R)
• M64: 43,272,680 km (0.06 R)
• M65: 45,237,499 km (0.09 R)
• M66: 45,531,010 km (0.083 R)
• M67: 45,898,871 km (0.12 R)
• M68: 47,380,039 km (0.115 R)
• M69: 48,276,280 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.5

Radius: 4.8

Gravity: 36.05 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 14.18 AU - 23.58 AU

Year: 28832 Days

Day: 20.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 103,539,019 km

• M1: 120,277 km (0.119 R)
• M2: 420,669 km (0.106 R)
• M3: 856,747 km (0.077 R)
• M4: 1,542,653 km (0.102 R)
• M5: 2,534,038 km (0.113 R)
• M6: 2,624,096 km (0.071 R)
• M7: 2,715,052 km (0.09 R)
• M8: 4,743,000 km (0.093 R)
• M9: 4,854,152 km (0.116 R)
• M10: 5,832,372 km (0.116 R)
• M11: 5,891,912 km (0.11 R)
• M12: 6,435,551 km (0.03 R)
• M13: 8,970,337 km (0.106 R)
• M14: 10,664,982 km (0.096 R)
• M15: 10,810,541 km (0.118 R)
• M16: 11,030,150 km (0.086 R)
• M17: 11,251,256 km (0.117 R)
• M18: 11,548,357 km (0.12 R)
• M19: 12,302,480 km (0.083 R)
• M20: 12,994,669 km (0.058 R)
• M21: 13,072,311 km (0.114 R)
• M22: 14,016,572 km (0.097 R)
• M23: 14,738,981 km (0.113 R)
• M24: 15,145,737 km (0.084 R)
• M25: 16,978,162 km (0.089 R)
• M26: 17,318,796 km (0.059 R)
• M27: 17,834,011 km (0.114 R)
• M28: 18,093,414 km (0.1 R)
• M29: 20,484,287 km (0.101 R)
• M30: 21,578,296 km (0.102 R)
• M31: 21,947,204 km (0.093 R)
• M32: 23,066,346 km (0.115 R)
• M33: 23,632,873 km (0.113 R)
• M34: 23,727,718 km (0.106 R)
• M35: 23,822,713 km (0.054 R)
• M36: 24,395,224 km (0.118 R)
• M37: 25,262,592 km (0.109 R)
• M38: 26,730,447 km (0.108 R)
• M39: 28,932,976 km (0.065 R)
• M40: 30,985,010 km (0.097 R)
• M41: 31,088,831 km (0.04 R)
• M42: 31,296,922 km (0.078 R)
• M43: 32,133,623 km (0.064 R)
• M44: 32,660,207 km (0.087 R)
• M45: 33,402,362 km (0.082 R)
• M46: 33,935,828 km (0.045 R)
• M47: 35,770,646 km (0.097 R)
• M48: 36,316,379 km (0.115 R)
• M49: 38,862,086 km (0.086 R)
• M50: 42,152,940 km (0.083 R)
• M51: 45,413,874 km (0.08 R)
• M52: 46,717,021 km (0.077 R)
• M53: 47,074,560 km (0.115 R)
• M54: 48,513,692 km (0.078 R)
• M55: 49,967,185 km (0.103 R)
• M56: 50,210,880 km (0.063 R)
• M57: 51,066,729 km (0.067 R)
• M58: 51,681,128 km (0.091 R)
• M59: 53,165,288 km (0.068 R)
• M60: 54,287,721 km (0.113 R)
• M61: 54,412,934 km (0.117 R)
• M62: 60,404,030 km (0.064 R)
• M63: 61,183,734 km (0.075 R)
• M64: 62,359,723 km (0.103 R)
• M65: 62,884,662 km (0.048 R)
• M66: 63,016,158 km (0.034 R)
• M67: 64,999,228 km (0.087 R)
• M68: 66,065,262 km (0.117 R)
• M69: 66,600,523 km (0.112 R)
• M70: 68,891,016 km (0.054 R)
• M71: 69,569,592 km (0.101 R)
• M72: 70,386,845 km (0.107 R)
• M73: 72,168,406 km (0.069 R)
• M74: 72,719,525 km (0.104 R)
• M75: 74,242,282 km (0.1 R)
• M76: 75,356,487 km (0.118 R)
• M77: 77,601,203 km (0.114 R)
• M78: 82,299,922 km (0.086 R)
• M79: 82,875,724 km (0.108 R)
• M80: 83,886,557 km (0.106 R)
• M81: 84,031,368 km (0.08 R)
• M82: 86,066,348 km (0.119 R)
• M83: 86,504,520 km (0.03 R)
• M84: 86,797,133 km (0.06 R)
• M85: 94,517,580 km (0.05 R)
• M86: 95,573,442 km (0.113 R)
• M87: 96,481,651 km (0.109 R)
• M88: 97,240,710 km (0.106 R)
• M89: 100,911,543 km (0.049 R)
• M90: 103,073,681 km (0.049 R)

Kuiper Belt

Range: 31.2 - 50.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 14,071 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit