🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.69 AU - 0.91 AU

Year: 272 Days

Day: 37.6 Hours

Environment

Temp: 149 °C

Axial Tilt: 38.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 57,654,246 km

• M1: 465,399 km (0.099 R)
• M2: 487,539 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.92 AU - 0.96 AU

Year: 347 Days

Day: 29.9 Hours

Environment

Temp: 12 °C

Axial Tilt: 9.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.75 AU - 2.37 AU

Year: 1126 Days

Day: 20.3 Hours

Environment

Temp: -80 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.94 AU - 2.18 AU

Year: 1126 Days

Day: 37.1 Hours

Environment

Temp: -88 °C

Axial Tilt: 38.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.97 AU - 2.53 AU

Year: 1285 Days

Day: 34.6 Hours

Environment

Temp: -95 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.36 AU - 4.32 AU

Year: 2865 Days

Day: 17.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 6.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,654,246 km

• M1: 141,370 km (0.086 R)
• M2: 2,088,386 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83

Radius: 9.9

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.53 AU - 5.13 AU

Year: 3431 Days

Day: 6.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 57,654,246 km

• M1: 158,125 km (0.107 R)
• M2: 240,254 km (0.119 R)
• M3: 449,242 km (0.071 R)
• M4: 537,056 km (0.039 R)
• M5: 601,234 km (0.081 R)
• M6: 693,685 km (0.115 R)
• M7: 797,955 km (0.084 R)
• M8: 880,084 km (0.087 R)
• M9: 1,098,348 km (0.073 R)
• M10: 1,175,091 km (0.119 R)
• M11: 1,517,970 km (0.065 R)
• M12: 1,692,102 km (0.108 R)
• M13: 1,882,240 km (0.074 R)
• M14: 2,089,134 km (0.077 R)
• M15: 2,224,670 km (0.078 R)
• M16: 2,785,512 km (0.052 R)
• M17: 2,956,802 km (0.108 R)
• M18: 3,242,534 km (0.098 R)
• M19: 3,321,073 km (0.089 R)
• M20: 3,468,576 km (0.089 R)
• M21: 4,019,994 km (0.081 R)
• M22: 4,092,399 km (0.034 R)
• M23: 4,165,104 km (0.061 R)
• M24: 4,448,442 km (0.114 R)
• M25: 4,510,825 km (0.038 R)
• M26: 4,776,211 km (0.099 R)
• M27: 4,852,955 km (0.055 R)
• M28: 4,943,013 km (0.117 R)
• M29: 5,164,118 km (0.093 R)
• M30: 5,441,922 km (0.104 R)
• M31: 5,508,642 km (0.045 R)
• M32: 6,136,505 km (0.098 R)
• M33: 6,388,427 km (0.048 R)
• M34: 6,844,701 km (0.117 R)
• M35: 7,282,125 km (0.062 R)
• M36: 7,519,088 km (0.044 R)
• M37: 7,773,554 km (0.107 R)
• M38: 7,879,320 km (0.061 R)
• M39: 8,137,825 km (0.045 R)
• M40: 8,260,495 km (0.117 R)
• M41: 8,352,947 km (0.063 R)
• M42: 8,461,256 km (0.117 R)
• M43: 8,694,778 km (0.038 R)
• M44: 9,861,641 km (0.094 R)
• M45: 10,156,798 km (0.045 R)
• M46: 10,371,920 km (0.106 R)
• M47: 10,505,062 km (0.05 R)
• M48: 10,621,898 km (0.094 R)
• M49: 10,705,822 km (0.12 R)
• M50: 11,060,070 km (0.116 R)
• M51: 11,162,096 km (0.052 R)
• M52: 11,247,217 km (0.076 R)
• M53: 11,315,583 km (0.11 R)
• M54: 11,452,615 km (0.103 R)

Asteroid Belt

Center: 4.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.5

Radius: 11.7

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 5.35 AU - 5.63 AU

Year: 4898 Days

Day: 11.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 57,654,246 km

• M1: 178,321 km (0.107 R)
• M2: 257,308 km (0.034 R)
• M3: 497,114 km (0.06 R)
• M4: 667,506 km (0.119 R)
• M5: 752,028 km (0.089 R)
• M6: 877,392 km (0.059 R)
• M7: 990,787 km (0.113 R)
• M8: 1,140,085 km (0.114 R)
• M9: 1,233,434 km (0.089 R)
• M10: 1,351,168 km (0.101 R)
• M11: 1,610,271 km (0.082 R)
• M12: 1,788,143 km (0.074 R)
• M13: 1,960,031 km (0.069 R)
• M14: 2,111,873 km (0.12 R)
• M15: 2,347,191 km (0.073 R)
• M16: 2,522,669 km (0.089 R)
• M17: 2,618,860 km (0.074 R)
• M18: 2,972,958 km (0.092 R)
• M19: 3,163,097 km (0.112 R)
• M20: 3,494,307 km (0.056 R)
• M21: 3,996,208 km (0.103 R)
• M22: 4,076,692 km (0.119 R)
• M23: 4,239,454 km (0.117 R)
• M24: 4,404,161 km (0.112 R)
• M25: 4,520,848 km (0.107 R)
• M26: 4,774,416 km (0.069 R)
• M27: 5,207,352 km (0.111 R)
• M28: 5,562,946 km (0.1 R)
• M29: 6,055,572 km (0.111 R)
• M30: 6,297,771 km (0.058 R)
• M31: 6,524,262 km (0.112 R)
• M32: 6,830,340 km (0.112 R)
• M33: 7,102,159 km (0.047 R)
• M34: 7,417,212 km (0.088 R)
• M35: 7,516,545 km (0.079 R)
• M36: 7,999,746 km (0.044 R)
• M37: 8,122,117 km (0.073 R)
• M38: 8,493,120 km (0.079 R)
• M39: 9,060,096 km (0.073 R)
• M40: 9,358,843 km (0.051 R)
• M41: 9,487,946 km (0.081 R)
• M42: 10,164,128 km (0.111 R)
• M43: 10,318,962 km (0.064 R)
• M44: 10,878,608 km (0.077 R)
• M45: 11,037,032 km (0.034 R)
• M46: 11,402,051 km (0.117 R)
• M47: 11,701,545 km (0.086 R)
• M48: 11,980,396 km (0.12 R)
• M49: 12,402,860 km (0.066 R)
• M50: 12,592,102 km (0.103 R)
• M51: 13,358,940 km (0.118 R)
• M52: 13,480,115 km (0.07 R)
• M53: 13,650,357 km (0.098 R)
• M54: 13,821,347 km (0.106 R)
• M55: 14,264,307 km (0.064 R)
• M56: 15,063,458 km (0.104 R)
• M57: 15,392,125 km (0.098 R)
• M58: 15,570,146 km (0.12 R)
• M59: 15,723,335 km (0.061 R)
• M60: 16,056,938 km (0.116 R)
• M61: 16,160,011 km (0.094 R)
• M62: 16,600,577 km (0.11 R)
• M63: 16,887,804 km (0.114 R)
• M64: 16,966,493 km (0.094 R)
• M65: 17,124,019 km (0.041 R)
• M66: 17,255,815 km (0.116 R)
• M67: 17,866,025 km (0.117 R)
• M68: 17,946,209 km (0.118 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.9

Radius: 13.4

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 8.99 AU - 10.57 AU

Year: 11647 Days

Day: 13 Hours

Environment

Temp: -190 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 57,654,246 km

• M1: 198,666 km (0.108 R)
• M2: 369,956 km (0.099 R)
• M3: 555,756 km (0.106 R)
• M4: 741,557 km (0.061 R)
• M5: 871,707 km (0.118 R)
• M6: 1,178,981 km (0.068 R)
• M7: 1,267,094 km (0.081 R)
• M8: 1,545,346 km (0.054 R)
• M9: 1,792,631 km (0.077 R)
• M10: 1,973,645 km (0.044 R)
• M11: 2,080,009 km (0.071 R)
• M12: 2,758,585 km (0.113 R)
• M13: 2,938,551 km (0.107 R)
• M14: 3,091,739 km (0.103 R)
• M15: 3,184,939 km (0.119 R)
• M16: 3,406,044 km (0.042 R)
• M17: 4,202,803 km (0.116 R)
• M18: 4,446,049 km (0.077 R)
• M19: 4,551,665 km (0.094 R)
• M20: 5,019,308 km (0.104 R)
• M21: 5,502,509 km (0.035 R)
• M22: 5,845,986 km (0.03 R)
• M23: 6,634,067 km (0.119 R)
• M24: 7,963,992 km (0.107 R)
• M25: 8,179,264 km (0.081 R)
• M26: 9,059,348 km (0.118 R)
• M27: 9,193,836 km (0.082 R)
• M28: 10,860,955 km (0.11 R)
• M29: 11,437,206 km (0.088 R)
• M30: 12,669,593 km (0.047 R)
• M31: 12,769,973 km (0.1 R)
• M32: 12,921,217 km (0.096 R)
• M33: 13,174,336 km (0.093 R)
• M34: 14,099,599 km (0.053 R)
• M35: 14,412,708 km (0.111 R)
• M36: 16,339,229 km (0.112 R)
• M37: 16,723,247 km (0.106 R)
• M38: 16,888,702 km (0.076 R)
• M39: 17,892,953 km (0.104 R)
• M40: 18,062,297 km (0.078 R)
• M41: 18,687,467 km (0.102 R)
• M42: 19,204,327 km (0.095 R)
• M43: 19,725,826 km (0.101 R)
• M44: 20,017,691 km (0.075 R)
• M45: 21,798,205 km (0.094 R)
• M46: 22,829,682 km (0.058 R)
• M47: 26,146,267 km (0.11 R)
• M48: 26,274,323 km (0.115 R)
• M49: 26,659,837 km (0.074 R)
• M50: 27,892,972 km (0.105 R)
• M51: 28,220,591 km (0.071 R)
• M52: 28,417,761 km (0.083 R)
• M53: 28,813,447 km (0.105 R)
• M54: 29,810,816 km (0.111 R)
• M55: 30,481,913 km (0.1 R)
• M56: 31,158,095 km (0.066 R)
• M57: 31,566,198 km (0.119 R)
• M58: 33,285,526 km (0.097 R)
• M59: 34,964,613 km (0.104 R)
• M60: 35,176,443 km (0.094 R)
• M61: 35,459,482 km (0.083 R)
• M62: 35,814,478 km (0.116 R)
• M63: 37,030,111 km (0.043 R)
• M64: 38,259,207 km (0.119 R)
• M65: 39,208,106 km (0.076 R)
• M66: 39,428,164 km (0.055 R)
• M67: 39,648,672 km (0.079 R)
• M68: 39,869,628 km (0.104 R)
• M69: 41,278,241 km (0.093 R)
• M70: 42,778,558 km (0.025 R)
• M71: 43,763,361 km (0.074 R)
• M72: 44,373,122 km (0.086 R)
• M73: 45,062,469 km (0.049 R)
• M74: 45,755,257 km (0.054 R)
• M75: 46,296,651 km (0.056 R)
• M76: 46,606,917 km (0.053 R)
• M77: 46,995,722 km (0.027 R)
• M78: 47,385,574 km (0.104 R)
• M79: 51,745,155 km (0.106 R)
• M80: 52,470,556 km (0.106 R)
• M81: 52,956,150 km (0.102 R)
• M82: 53,931,678 km (0.116 R)
• M83: 54,339,931 km (0.05 R)
• M84: 54,503,591 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.4

Radius: 4.8

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 16.37 AU - 19.85 AU

Year: 29348 Days

Day: 15.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 57,654,246 km

• M1: 61,485 km (0.076 R)
• M2: 126,111 km (0.048 R)
• M3: 420,819 km (0.115 R)
• M4: 486,343 km (0.119 R)
• M5: 591,211 km (0.106 R)
• M6: 646,562 km (0.104 R)
• M7: 742,604 km (0.097 R)
• M8: 885,021 km (0.045 R)
• M9: 948,899 km (0.073 R)
• M10: 1,036,264 km (0.1 R)
• M11: 1,195,586 km (0.096 R)
• M12: 1,487,003 km (0.115 R)
• M13: 2,019,272 km (0.105 R)
• M14: 2,247,409 km (0.025 R)
• M15: 2,697,250 km (0.119 R)
• M16: 2,853,280 km (0.088 R)
• M17: 2,948,275 km (0.083 R)
• M18: 3,305,814 km (0.111 R)
• M19: 3,955,069 km (0.08 R)
• M20: 4,312,308 km (0.075 R)
• M21: 4,458,017 km (0.105 R)
• M22: 4,867,316 km (0.069 R)
• M23: 5,761,313 km (0.059 R)
• M24: 5,801,405 km (0.087 R)
• M25: 6,083,996 km (0.102 R)
• M26: 6,789,051 km (0.085 R)
• M27: 7,827,858 km (0.108 R)
• M28: 8,095,190 km (0.117 R)
• M29: 8,961,361 km (0.105 R)
• M30: 9,334,758 km (0.115 R)
• M31: 9,476,128 km (0.083 R)
• M32: 11,427,632 km (0.078 R)
• M33: 13,979,323 km (0.077 R)
• M34: 15,680,400 km (0.104 R)
• M35: 16,583,672 km (0.076 R)
• M36: 17,156,781 km (0.098 R)
• M37: 18,087,131 km (0.1 R)
• M38: 18,204,565 km (0.049 R)
• M39: 18,736,086 km (0.104 R)
• M40: 18,795,476 km (0.092 R)
• M41: 19,272,843 km (0.064 R)
• M42: 19,452,959 km (0.062 R)
• M43: 20,057,035 km (0.079 R)
• M44: 21,656,386 km (0.064 R)
• M45: 22,850,776 km (0.112 R)
• M46: 23,232,400 km (0.079 R)
• M47: 23,296,128 km (0.117 R)
• M48: 24,975,514 km (0.099 R)
• M49: 25,565,827 km (0.117 R)
• M50: 25,763,745 km (0.117 R)
• M51: 27,162,485 km (0.094 R)
• M52: 28,928,339 km (0.044 R)
• M53: 29,963,706 km (0.096 R)
• M54: 30,590,820 km (0.106 R)
• M55: 31,081,650 km (0.109 R)
• M56: 31,999,882 km (0.1 R)
• M57: 34,370,560 km (0.109 R)
• M58: 34,953,692 km (0.118 R)
• M59: 36,500,085 km (0.07 R)
• M60: 37,843,175 km (0.118 R)
• M61: 38,219,114 km (0.093 R)
• M62: 41,348,253 km (0.103 R)
• M63: 42,591,561 km (0.081 R)
• M64: 44,321,062 km (0.094 R)
• M65: 45,194,265 km (0.12 R)
• M66: 45,353,736 km (0.114 R)
• M67: 46,233,671 km (0.08 R)
• M68: 46,716,124 km (0.07 R)
• M69: 46,877,241 km (0.072 R)
• M70: 46,957,874 km (0.112 R)
• M71: 48,580,562 km (0.086 R)
• M72: 48,825,603 km (0.092 R)
• M73: 49,398,862 km (0.111 R)
• M74: 49,480,842 km (0.101 R)
• M75: 50,139,073 km (0.067 R)
• M76: 50,883,023 km (0.117 R)
• M77: 51,547,387 km (0.065 R)
• M78: 52,130,968 km (0.098 R)
• M79: 52,549,244 km (0.104 R)
• M80: 52,800,718 km (0.05 R)
• M81: 53,641,907 km (0.047 R)
• M82: 54,148,744 km (0.105 R)
• M83: 54,657,078 km (0.091 R)
• M84: 55,678,682 km (0.096 R)
• M85: 55,849,523 km (0.1 R)
• M86: 56,620,700 km (0.111 R)
• M87: 57,481,486 km (0.094 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 16,362 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit