🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.59 AU - 0.63 AU

Year: 169 Days

Day: 37.8 Hours

Environment

Temp: 202 °C

Axial Tilt: 3.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.99 AU - 1.17 AU

Year: 398 Days

Day: 35 Hours

Environment

Temp: 26 °C

Axial Tilt: 39.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.06 AU - 1.12 AU

Year: 404 Days

Day: 28 Hours

Environment

Temp: 47 °C

Axial Tilt: 0.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 57,140,112 km

• M1: 341,233 km (0.058 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.64

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2 AU - 2.04 AU

Year: 1019 Days

Day: 21.9 Hours

Environment

Temp: -53 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,140,112 km

• M1: 632,500 km (0.091 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.43 AU - 3.87 AU

Year: 1983 Days

Day: 46.9 Hours

Environment

Temp: -97 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.21 AU - 5.15 AU

Year: 3032 Days

Day: 24.3 Hours

Environment

Temp: -110 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,140,112 km

• M1: 1,967,960 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.3

Radius: 8.1

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 5.71 AU - 5.75 AU

Year: 4866 Days

Day: 9.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 57,140,112 km

• M1: 109,506 km (0.113 R)
• M2: 179,517 km (0.065 R)
• M3: 239,955 km (0.115 R)
• M4: 534,064 km (0.099 R)
• M5: 591,510 km (0.081 R)
• M6: 651,200 km (0.093 R)
• M7: 740,360 km (0.1 R)
• M8: 795,861 km (0.062 R)
• M9: 1,043,445 km (0.058 R)
• M10: 1,203,664 km (0.12 R)
• M11: 1,303,745 km (0.054 R)
• M12: 1,682,228 km (0.093 R)
• M13: 1,832,724 km (0.111 R)
• M14: 1,896,751 km (0.112 R)
• M15: 2,093,622 km (0.052 R)
• M16: 2,564,108 km (0.045 R)
• M17: 2,636,064 km (0.091 R)
• M18: 2,737,940 km (0.039 R)
• M19: 2,885,743 km (0.075 R)
• M20: 2,960,691 km (0.113 R)
• M21: 3,036,388 km (0.113 R)
• M22: 3,112,533 km (0.067 R)
• M23: 3,189,427 km (0.099 R)
• M24: 3,599,624 km (0.119 R)
• M25: 3,860,223 km (0.054 R)
• M26: 3,959,706 km (0.113 R)
• M27: 4,434,679 km (0.087 R)
• M28: 4,696,625 km (0.072 R)
• M29: 4,749,583 km (0.088 R)
• M30: 4,945,556 km (0.071 R)
• M31: 5,053,715 km (0.12 R)
• M32: 5,382,531 km (0.102 R)
• M33: 5,605,731 km (0.096 R)
• M34: 5,775,076 km (0.062 R)
• M35: 5,869,921 km (0.116 R)
• M36: 6,293,433 km (0.025 R)
• M37: 6,371,373 km (0.091 R)
• M38: 6,627,335 km (0.119 R)
• M39: 6,886,738 km (0.081 R)
• M40: 7,007,463 km (0.073 R)
• M41: 7,456,556 km (0.106 R)
• M42: 7,663,749 km (0.094 R)
• M43: 7,872,887 km (0.103 R)
• M44: 8,105,063 km (0.09 R)
• M45: 8,211,278 km (0.103 R)
• M46: 8,318,090 km (0.091 R)
• M47: 8,446,745 km (0.088 R)
• M48: 8,597,838 km (0.087 R)
• M49: 8,706,297 km (0.042 R)
• M50: 8,968,392 km (0.115 R)
• M51: 9,299,602 km (0.069 R)
• M52: 9,388,613 km (0.12 R)
• M53: 10,271,390 km (0.089 R)
• M54: 10,478,882 km (0.08 R)
• M55: 10,851,231 km (0.061 R)
• M56: 10,944,879 km (0.106 R)
• M57: 11,370,186 km (0.118 R)
• M58: 11,441,544 km (0.052 R)
• M59: 12,358,878 km (0.045 R)
• M60: 12,925,555 km (0.06 R)
• M61: 13,024,888 km (0.063 R)
• M62: 13,274,567 km (0.057 R)
• M63: 13,349,815 km (0.117 R)
• M64: 13,475,477 km (0.071 R)
• M65: 13,652,002 km (0.079 R)
• M66: 14,212,097 km (0.111 R)
• M67: 14,263,409 km (0.094 R)
• M68: 14,469,106 km (0.101 R)
• M69: 14,675,850 km (0.091 R)
• M70: 14,857,462 km (0.111 R)
• M71: 15,538,880 km (0.113 R)
• M72: 15,591,838 km (0.09 R)
• M73: 15,750,711 km (0.069 R)
• M74: 15,936,661 km (0.106 R)
• M75: 16,337,883 km (0.106 R)
• M76: 17,533,618 km (0.116 R)
• M77: 17,975,381 km (0.062 R)
• M78: 18,253,334 km (0.073 R)
• M79: 18,588,882 km (0.082 R)
• M80: 18,701,080 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.7

Radius: 11.4

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 10.09 AU - 10.85 AU

Year: 12019 Days

Day: 7.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 57,140,112 km

• M1: 160,818 km (0.074 R)
• M2: 293,810 km (0.08 R)
• M3: 444,754 km (0.085 R)
• M4: 1,084,585 km (0.101 R)
• M5: 1,533,378 km (0.111 R)
• M6: 1,906,176 km (0.1 R)
• M7: 2,193,105 km (0.034 R)
• M8: 2,494,245 km (0.068 R)
• M9: 2,808,700 km (0.057 R)
• M10: 2,908,033 km (0.118 R)
• M11: 3,449,278 km (0.118 R)
• M12: 3,854,988 km (0.071 R)
• M13: 4,077,888 km (0.054 R)
• M14: 4,830,964 km (0.077 R)
• M15: 5,911,958 km (0.092 R)
• M16: 6,136,953 km (0.088 R)
• M17: 6,628,682 km (0.119 R)
• M18: 6,795,334 km (0.041 R)
• M19: 7,441,746 km (0.03 R)
• M20: 7,580,274 km (0.11 R)
• M21: 7,895,327 km (0.082 R)
• M22: 8,072,301 km (0.116 R)
• M23: 9,684,966 km (0.058 R)
• M24: 11,474,007 km (0.032 R)
• M25: 12,694,875 km (0.114 R)
• M26: 12,902,368 km (0.112 R)
• M27: 13,320,643 km (0.084 R)
• M28: 13,743,556 km (0.075 R)
• M29: 13,913,799 km (0.095 R)
• M30: 14,472,397 km (0.053 R)
• M31: 14,776,230 km (0.119 R)
• M32: 15,923,197 km (0.087 R)
• M33: 17,007,184 km (0.117 R)
• M34: 17,650,454 km (0.076 R)
• M35: 17,835,806 km (0.03 R)
• M36: 18,724,717 km (0.108 R)
• M37: 19,293,488 km (0.1 R)
• M38: 20,254,205 km (0.053 R)
• M39: 21,823,487 km (0.101 R)
• M40: 24,714,466 km (0.062 R)
• M41: 24,921,808 km (0.082 R)
• M42: 26,389,513 km (0.12 R)
• M43: 26,707,558 km (0.114 R)
• M44: 26,867,179 km (0.098 R)
• M45: 27,187,169 km (0.087 R)
• M46: 28,751,963 km (0.081 R)
• M47: 29,298,294 km (0.093 R)
• M48: 30,679,083 km (0.12 R)
• M49: 30,901,983 km (0.107 R)
• M50: 31,461,629 km (0.096 R)
• M51: 31,742,723 km (0.113 R)
• M52: 31,911,769 km (0.059 R)
• M53: 32,081,114 km (0.089 R)
• M54: 32,194,210 km (0.084 R)
• M55: 34,947,110 km (0.098 R)
• M56: 36,057,575 km (0.119 R)
• M57: 36,942,446 km (0.11 R)
• M58: 37,476,810 km (0.118 R)
• M59: 37,715,119 km (0.097 R)
• M60: 38,613,155 km (0.105 R)
• M61: 40,064,853 km (0.104 R)
• M62: 40,247,662 km (0.052 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219.3

Radius: 3.8

Gravity: 15.19 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 10.45 AU - 16.81 AU

Year: 17852 Days

Day: 17.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 57,140,112 km

• M1: 226,491 km (0.049 R)
• M2: 273,166 km (0.042 R)
• M3: 462,257 km (0.117 R)
• M4: 703,260 km (0.1 R)
• M5: 827,725 km (0.105 R)
• M6: 978,669 km (0.096 R)
• M7: 1,077,254 km (0.112 R)
• M8: 1,137,991 km (0.12 R)
• M9: 1,220,868 km (0.109 R)
• M10: 1,734,587 km (0.066 R)
• M11: 2,438,445 km (0.114 R)
• M12: 2,764,269 km (0.072 R)
• M13: 3,248,967 km (0.119 R)
• M14: 3,278,288 km (0.098 R)
• M15: 4,039,741 km (0.068 R)
• M16: 4,166,450 km (0.108 R)
• M17: 4,456,371 km (0.097 R)
• M18: 4,488,983 km (0.097 R)
• M19: 4,719,663 km (0.102 R)
• M20: 5,021,701 km (0.089 R)
• M21: 5,261,058 km (0.101 R)
• M22: 5,750,692 km (0.051 R)
• M23: 7,151,526 km (0.095 R)
• M24: 7,575,786 km (0.089 R)
• M25: 8,008,124 km (0.075 R)
• M26: 8,127,503 km (0.118 R)
• M27: 9,352,560 km (0.064 R)
• M28: 9,858,500 km (0.12 R)
• M29: 10,330,182 km (0.101 R)
• M30: 10,460,033 km (0.107 R)
• M31: 10,984,972 km (0.082 R)
• M32: 11,878,819 km (0.043 R)
• M33: 12,105,908 km (0.046 R)
• M34: 12,888,605 km (0.108 R)
• M35: 12,981,804 km (0.117 R)
• M36: 14,261,315 km (0.043 R)
• M37: 15,333,183 km (0.114 R)
• M38: 15,431,918 km (0.11 R)
• M39: 15,878,767 km (0.046 R)
• M40: 16,632,890 km (0.111 R)
• M41: 18,542,656 km (0.064 R)
• M42: 21,231,079 km (0.045 R)
• M43: 23,866,695 km (0.099 R)
• M44: 25,719,165 km (0.112 R)
• M45: 27,198,389 km (0.096 R)
• M46: 27,978,392 km (0.089 R)
• M47: 30,300,151 km (0.086 R)
• M48: 30,362,085 km (0.115 R)
• M49: 31,735,243 km (0.084 R)
• M50: 32,113,128 km (0.038 R)
• M51: 32,239,538 km (0.099 R)
• M52: 32,492,658 km (0.112 R)
• M53: 32,937,262 km (0.077 R)
• M54: 33,000,991 km (0.108 R)
• M55: 33,832,456 km (0.079 R)
• M56: 37,692,081 km (0.07 R)
• M57: 37,958,665 km (0.055 R)
• M58: 40,455,004 km (0.071 R)
• M59: 43,003,703 km (0.085 R)
• M60: 43,421,829 km (0.053 R)
• M61: 44,613,975 km (0.045 R)
• M62: 45,107,947 km (0.096 R)
• M63: 45,320,226 km (0.069 R)
• M64: 46,315,202 km (0.107 R)
• M65: 48,037,671 km (0.069 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 206

Radius: 7.4

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 15.62 AU - 17.34 AU

Year: 23734 Days

Day: 22.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 57,140,112 km

• M1: 112,198 km (0.103 R)
• M2: 186,549 km (0.092 R)
• M3: 265,686 km (0.075 R)
• M4: 449,691 km (0.068 R)
• M5: 600,635 km (0.069 R)
• M6: 654,790 km (0.087 R)
• M7: 768,484 km (0.095 R)
• M8: 1,358,797 km (0.118 R)
• M9: 1,710,053 km (0.093 R)
• M10: 1,788,891 km (0.111 R)
• M11: 1,896,003 km (0.083 R)
• M12: 2,796,882 km (0.111 R)
• M13: 2,984,777 km (0.117 R)
• M14: 3,144,697 km (0.053 R)
• M15: 3,373,133 km (0.115 R)
• M16: 3,811,754 km (0.12 R)
• M17: 4,196,968 km (0.101 R)
• M18: 4,340,133 km (0.079 R)
• M19: 4,557,948 km (0.107 R)
• M20: 4,854,002 km (0.073 R)
• M21: 4,966,649 km (0.111 R)
• M22: 5,156,339 km (0.088 R)
• M23: 5,503,706 km (0.089 R)
• M24: 6,883,447 km (0.119 R)
• M25: 7,438,006 km (0.076 R)
• M26: 8,909,152 km (0.052 R)
• M27: 10,177,742 km (0.073 R)
• M28: 10,322,103 km (0.031 R)
• M29: 10,418,893 km (0.083 R)
• M30: 10,515,833 km (0.105 R)
• M31: 11,451,867 km (0.083 R)
• M32: 12,414,379 km (0.082 R)
• M33: 13,035,659 km (0.105 R)
• M34: 15,288,454 km (0.087 R)
• M35: 15,343,506 km (0.03 R)
• M36: 16,009,815 km (0.088 R)
• M37: 17,658,682 km (0.049 R)
• M38: 18,709,009 km (0.036 R)
• M39: 18,767,950 km (0.093 R)
• M40: 19,599,715 km (0.086 R)
• M41: 19,839,520 km (0.06 R)
• M42: 20,382,710 km (0.083 R)
• M43: 20,443,297 km (0.11 R)
• M44: 20,564,920 km (0.081 R)
• M45: 20,930,836 km (0.029 R)
• M46: 21,731,035 km (0.103 R)
• M47: 22,166,066 km (0.113 R)
• M48: 22,290,980 km (0.106 R)
• M49: 22,353,512 km (0.09 R)
• M50: 24,255,500 km (0.092 R)
• M51: 25,030,716 km (0.051 R)
• M52: 25,356,241 km (0.041 R)
• M53: 26,011,330 km (0.061 R)
• M54: 27,874,870 km (0.057 R)
• M55: 28,686,738 km (0.106 R)
• M56: 29,712,381 km (0.054 R)
• M57: 29,918,976 km (0.106 R)
• M58: 32,860,668 km (0.109 R)
• M59: 33,431,384 km (0.059 R)
• M60: 34,365,772 km (0.061 R)
• M61: 34,872,460 km (0.106 R)
• M62: 35,090,275 km (0.108 R)
• M63: 35,966,470 km (0.112 R)
• M64: 36,039,773 km (0.047 R)
• M65: 36,407,185 km (0.098 R)
• M66: 38,262,947 km (0.039 R)
• M67: 38,487,792 km (0.092 R)
• M68: 41,757,104 km (0.097 R)
• M69: 42,530,076 km (0.118 R)
• M70: 43,151,955 km (0.115 R)
• M71: 43,307,836 km (0.113 R)
• M72: 44,011,843 km (0.116 R)
• M73: 44,168,771 km (0.031 R)
• M74: 44,719,591 km (0.071 R)
• M75: 45,272,654 km (0.082 R)
• M76: 45,431,078 km (0.095 R)
• M77: 45,589,652 km (0.068 R)
• M78: 45,907,398 km (0.073 R)
• M79: 45,986,984 km (0.117 R)
• M80: 46,146,306 km (0.091 R)
• M81: 46,465,398 km (0.119 R)
• M82: 47,266,195 km (0.092 R)
• M83: 48,314,278 km (0.101 R)
• M84: 49,859,624 km (0.102 R)
• M85: 50,679,570 km (0.043 R)
• M86: 55,098,691 km (0.091 R)
• M87: 55,437,231 km (0.053 R)
• M88: 56,201,377 km (0.118 R)
• M89: 56,286,498 km (0.087 R)
• M90: 56,456,890 km (0.119 R)
• M91: 56,627,432 km (0.091 R)

Kuiper Belt

Range: 30.9 - 56.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 420 - 16,463 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit