🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.56 AU - 0.62 AU

Year: 167 Days

Day: 22.4 Hours

Environment

Temp: 184 °C

Axial Tilt: 9.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.66 AU - 0.74 AU

Year: 216 Days

Day: 31.2 Hours

Environment

Temp: 154 °C

Axial Tilt: 24.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 97,537,715 km

• M1: 82,129 km (0.106 R)
• M2: 210,783 km (0.093 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.76 AU - 0.78 AU

Year: 249 Days

Day: 44.2 Hours

Environment

Temp: 145 °C

Axial Tilt: 14 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 97,537,715 km

• M1: 322,234 km (0.108 R)
• M2: 486,043 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.26 AU - 1.28 AU

Year: 528 Days

Day: 43.6 Hours

Environment

Temp: -3 °C

Axial Tilt: 27.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.88 AU - 2.68 AU

Year: 1270 Days

Day: 37.4 Hours

Environment

Temp: -87 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 97,537,715 km

• M1: 1,280,259 km (0.087 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.56

Radius: 1.46

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 2.27 AU - 2.33 AU

Year: 1287 Days

Day: 41.8 Hours

Environment

Temp: -92 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 97,537,715 km

• M1: 890,855 km (0.095 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.13 AU - 3.31 AU

Year: 1655 Days

Day: 18.4 Hours

Environment

Temp: -105 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 97,537,715 km

• M1: 884,572 km (0.074 R)
• M2: 1,424,621 km (0.057 R)

Planet 8 - Terrestrial

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.19 AU - 3.45 AU

Year: 2232 Days

Day: 19.7 Hours

Environment

Temp: -109 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.8

Radius: 11.8

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.61 AU - 8.29 AU

Year: 8270 Days

Day: 10.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 97,537,715 km

• M1: 208,539 km (0.119 R)
• M2: 289,771 km (0.08 R)
• M3: 366,964 km (0.094 R)
• M4: 580,589 km (0.111 R)
• M5: 962,064 km (0.106 R)
• M6: 1,332,468 km (0.09 R)
• M7: 1,611,169 km (0.112 R)
• M8: 2,583,106 km (0.085 R)
• M9: 2,715,800 km (0.086 R)
• M10: 2,823,510 km (0.096 R)
• M11: 3,269,162 km (0.115 R)
• M12: 3,559,083 km (0.105 R)
• M13: 4,446,647 km (0.04 R)
• M14: 4,671,044 km (0.102 R)
• M15: 5,231,438 km (0.097 R)
• M16: 5,502,509 km (0.082 R)
• M17: 5,917,942 km (0.1 R)
• M18: 7,603,013 km (0.068 R)
• M19: 7,949,182 km (0.077 R)
• M20: 8,182,854 km (0.111 R)
• M21: 8,300,587 km (0.045 R)
• M22: 9,140,280 km (0.07 R)
• M23: 10,174,899 km (0.083 R)
• M24: 10,259,272 km (0.091 R)
• M25: 10,641,944 km (0.054 R)
• M26: 11,685,239 km (0.119 R)
• M27: 12,715,520 km (0.043 R)
• M28: 13,681,473 km (0.047 R)
• M29: 14,575,769 km (0.104 R)
• M30: 14,814,228 km (0.088 R)
• M31: 15,102,204 km (0.049 R)
• M32: 15,440,445 km (0.083 R)
• M33: 16,619,127 km (0.106 R)
• M34: 17,572,663 km (0.044 R)
• M35: 17,724,805 km (0.03 R)
• M36: 17,877,544 km (0.116 R)
• M37: 18,081,595 km (0.082 R)
• M38: 18,750,597 km (0.104 R)
• M39: 19,114,270 km (0.069 R)
• M40: 19,218,539 km (0.083 R)
• M41: 19,375,318 km (0.091 R)
• M42: 19,532,695 km (0.101 R)
• M43: 19,954,112 km (0.086 R)
• M44: 20,698,810 km (0.07 R)
• M45: 22,435,043 km (0.095 R)
• M46: 24,048,456 km (0.079 R)
• M47: 24,783,879 km (0.118 R)
• M48: 24,897,723 km (0.109 R)
• M49: 25,526,782 km (0.117 R)
• M50: 26,103,033 km (0.106 R)
• M51: 26,567,235 km (0.116 R)
• M52: 29,469,584 km (0.075 R)
• M53: 29,952,934 km (0.042 R)
• M54: 30,256,319 km (0.113 R)
• M55: 31,172,606 km (0.104 R)
• M56: 31,603,448 km (0.106 R)
• M57: 32,036,234 km (0.086 R)
• M58: 33,157,919 km (0.066 R)
• M59: 33,283,432 km (0.081 R)
• M60: 34,292,619 km (0.105 R)
• M61: 34,482,908 km (0.118 R)
• M62: 35,504,063 km (0.079 R)
• M63: 36,405,689 km (0.08 R)
• M64: 36,989,270 km (0.097 R)
• M65: 38,034,361 km (0.113 R)
• M66: 38,956,782 km (0.045 R)
• M67: 39,288,141 km (0.07 R)
• M68: 39,753,390 km (0.1 R)
• M69: 40,153,714 km (0.115 R)
• M70: 41,835,942 km (0.092 R)
• M71: 41,971,478 km (0.117 R)
• M72: 42,651,550 km (0.077 R)
• M73: 43,747,205 km (0.106 R)
• M74: 44,782,871 km (0.067 R)
• M75: 45,686,891 km (0.077 R)
• M76: 46,316,398 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.5

Radius: 4.1

Gravity: 45.72 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 16.79 AU - 18.55 AU

Year: 27405 Days

Day: 18.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 97,537,715 km

• M1: 120,725 km (0.077 R)
• M2: 369,058 km (0.087 R)
• M3: 689,347 km (0.062 R)
• M4: 744,848 km (0.065 R)
• M5: 1,108,371 km (0.069 R)
• M6: 1,173,745 km (0.038 R)
• M7: 1,592,469 km (0.106 R)
• M8: 1,629,420 km (0.117 R)
• M9: 1,779,616 km (0.032 R)
• M10: 1,973,794 km (0.119 R)
• M11: 2,174,704 km (0.052 R)
• M12: 2,509,654 km (0.11 R)
• M13: 3,367,897 km (0.118 R)
• M14: 3,607,553 km (0.11 R)
• M15: 4,463,103 km (0.081 R)
• M16: 6,115,561 km (0.11 R)
• M17: 6,348,784 km (0.025 R)
• M18: 6,823,907 km (0.08 R)
• M19: 7,495,751 km (0.075 R)
• M20: 7,745,280 km (0.063 R)
• M21: 8,901,522 km (0.086 R)
• M22: 10,110,572 km (0.03 R)
• M23: 10,734,096 km (0.1 R)
• M24: 11,945,540 km (0.117 R)
• M25: 12,018,095 km (0.104 R)
• M26: 14,649,820 km (0.099 R)
• M27: 16,149,838 km (0.107 R)
• M28: 16,714,720 km (0.096 R)
• M29: 16,877,333 km (0.093 R)
• M30: 17,204,054 km (0.099 R)
• M31: 18,196,636 km (0.058 R)
• M32: 19,634,272 km (0.108 R)
• M33: 19,805,860 km (0.026 R)
• M34: 27,539,322 km (0.117 R)
• M35: 29,872,451 km (0.059 R)
• M36: 30,863,238 km (0.118 R)
• M37: 34,621,136 km (0.06 R)
• M38: 35,452,601 km (0.085 R)
• M39: 35,870,727 km (0.092 R)
• M40: 36,080,314 km (0.048 R)
• M41: 36,500,833 km (0.074 R)
• M42: 37,240,744 km (0.084 R)
• M43: 37,772,415 km (0.094 R)
• M44: 38,199,367 km (0.057 R)
• M45: 40,358,364 km (0.112 R)
• M46: 41,123,407 km (0.093 R)
• M47: 41,452,672 km (0.115 R)
• M48: 43,223,762 km (0.078 R)
• M49: 43,670,311 km (0.106 R)
• M50: 43,894,259 km (0.093 R)
• M51: 45,019,385 km (0.077 R)
• M52: 45,245,577 km (0.108 R)
• M53: 46,267,929 km (0.106 R)
• M54: 47,412,801 km (0.032 R)
• M55: 48,451,160 km (0.052 R)
• M56: 52,084,593 km (0.096 R)
• M57: 52,440,935 km (0.115 R)
• M58: 52,678,796 km (0.098 R)
• M59: 53,994,060 km (0.099 R)
• M60: 54,595,444 km (0.049 R)
• M61: 58,990,180 km (0.119 R)
• M62: 59,361,632 km (0.108 R)
• M63: 60,729,704 km (0.033 R)
• M64: 61,229,810 km (0.107 R)
• M65: 61,731,262 km (0.061 R)
• M66: 61,982,587 km (0.105 R)
• M67: 62,738,355 km (0.034 R)
• M68: 63,243,846 km (0.098 R)
• M69: 63,750,833 km (0.069 R)
• M70: 64,386,325 km (0.118 R)
• M71: 65,279,574 km (0.119 R)
• M72: 65,535,536 km (0.119 R)
• M73: 66,048,358 km (0.077 R)
• M74: 66,949,236 km (0.107 R)
• M75: 68,893,260 km (0.106 R)
• M76: 71,250,474 km (0.05 R)
• M77: 73,500,875 km (0.072 R)
• M78: 74,969,327 km (0.032 R)
• M79: 76,043,440 km (0.064 R)
• M80: 76,717,378 km (0.093 R)
• M81: 77,257,876 km (0.11 R)
• M82: 79,569,312 km (0.089 R)
• M83: 79,842,628 km (0.101 R)
• M84: 80,253,423 km (0.099 R)
• M85: 82,455,654 km (0.064 R)
• M86: 82,870,788 km (0.101 R)
• M87: 83,147,993 km (0.111 R)
• M88: 83,425,347 km (0.091 R)
• M89: 83,842,127 km (0.096 R)
• M90: 84,956,930 km (0.041 R)
• M91: 89,891,117 km (0.112 R)
• M92: 90,175,951 km (0.072 R)
• M93: 90,460,935 km (0.119 R)
• M94: 91,174,965 km (0.106 R)
• M95: 92,895,939 km (0.114 R)
• M96: 95,352,486 km (0.097 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 11,311 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit