🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.44 AU - 0.6 AU

Year: 246 Days

Day: 14.9 Hours

Environment

Temp: -111 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.49 AU - 0.57 AU

Year: 253 Days

Day: 38.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 49.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,524,433 km

• M1: 684,859 km (0.052 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.57 AU - 0.67 AU

Year: 320 Days

Day: 39.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,524,433 km

• M1: 196,422 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.6

Radius: 10

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.59 AU - 0.87 AU

Year: 409 Days

Day: 9.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 35,524,433 km

• M1: 125,213 km (0.061 R)
• M2: 230,530 km (0.095 R)
• M3: 315,502 km (0.082 R)
• M4: 549,024 km (0.08 R)
• M5: 657,632 km (0.075 R)
• M6: 728,093 km (0.083 R)
• M7: 865,573 km (0.067 R)
• M8: 931,396 km (0.091 R)
• M9: 1,059,751 km (0.084 R)
• M10: 1,194,389 km (0.115 R)
• M11: 1,311,076 km (0.116 R)
• M12: 1,373,308 km (0.107 R)
• M13: 1,441,525 km (0.118 R)
• M14: 1,647,970 km (0.115 R)
• M15: 1,778,868 km (0.1 R)
• M16: 1,880,595 km (0.047 R)
• M17: 2,011,942 km (0.07 R)
• M18: 2,095,717 km (0.093 R)
• M19: 2,232,150 km (0.087 R)
• M20: 2,324,751 km (0.091 R)
• M21: 2,448,319 km (0.081 R)
• M22: 2,610,632 km (0.057 R)
• M23: 2,801,220 km (0.048 R)
• M24: 2,888,884 km (0.104 R)
• M25: 3,041,175 km (0.102 R)
• M26: 3,176,711 km (0.119 R)
• M27: 3,281,429 km (0.111 R)
• M28: 3,373,881 km (0.102 R)
• M29: 3,467,379 km (0.118 R)
• M30: 3,568,358 km (0.032 R)
• M31: 3,905,402 km (0.1 R)
• M32: 4,053,055 km (0.079 R)
• M33: 4,181,111 km (0.117 R)
• M34: 4,485,094 km (0.114 R)
• M35: 4,558,546 km (0.081 R)
• M36: 4,721,608 km (0.115 R)
• M37: 4,871,505 km (0.088 R)
• M38: 5,030,677 km (0.076 R)
• M39: 5,168,307 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.4

Radius: 14.1

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.98 AU - 1.04 AU

Year: 666 Days

Day: 11.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,524,433 km

• M1: 180,116 km (0.112 R)
• M2: 270,473 km (0.091 R)
• M3: 425,606 km (0.087 R)
• M4: 584,030 km (0.067 R)
• M5: 811,269 km (0.06 R)
• M6: 960,867 km (0.091 R)
• M7: 1,091,915 km (0.112 R)
• M8: 1,182,870 km (0.099 R)
• M9: 1,338,303 km (0.092 R)
• M10: 1,443,769 km (0.106 R)
• M11: 1,720,076 km (0.081 R)
• M12: 1,902,287 km (0.082 R)
• M13: 2,006,107 km (0.085 R)
• M14: 2,157,052 km (0.061 R)
• M15: 2,341,655 km (0.091 R)
• M16: 2,462,082 km (0.102 R)
• M17: 2,637,710 km (0.118 R)
• M18: 2,727,020 km (0.109 R)
• M19: 2,918,355 km (0.113 R)
• M20: 3,010,956 km (0.118 R)
• M21: 3,161,302 km (0.073 R)
• M22: 3,251,809 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.6

Radius: 14.2

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.02 AU - 1.36 AU

Year: 852 Days

Day: 6.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 35,524,433 km

• M1: 180,116 km (0.067 R)
• M2: 311,014 km (0.103 R)
• M3: 425,157 km (0.116 R)
• M4: 582,385 km (0.038 R)
• M5: 771,925 km (0.059 R)
• M6: 960,867 km (0.118 R)
• M7: 1,054,665 km (0.086 R)
• M8: 1,252,284 km (0.079 R)
• M9: 1,361,191 km (0.11 R)
• M10: 1,479,074 km (0.087 R)
• M11: 1,628,822 km (0.089 R)
• M12: 1,737,280 km (0.115 R)
• M13: 1,848,431 km (0.052 R)
• M14: 1,962,126 km (0.039 R)
• M15: 2,115,314 km (0.12 R)
• M16: 2,395,062 km (0.113 R)
• M17: 2,493,198 km (0.094 R)
• M18: 2,639,804 km (0.069 R)
• M19: 2,803,165 km (0.066 R)
• M20: 2,990,910 km (0.102 R)
• M21: 3,168,632 km (0.08 R)
• M22: 3,393,927 km (0.09 R)
• M23: 3,504,929 km (0.026 R)
• M24: 3,647,346 km (0.068 R)
• M25: 3,768,819 km (0.042 R)
• M26: 3,868,451 km (0.082 R)
• M27: 4,031,363 km (0.077 R)
• M28: 4,149,097 km (0.078 R)
• M29: 4,292,113 km (0.087 R)
• M30: 4,648,455 km (0.062 R)
• M31: 4,780,400 km (0.119 R)
• M32: 4,980,712 km (0.109 R)
• M33: 5,329,574 km (0.079 R)
• M34: 5,424,568 km (0.106 R)
• M35: 5,537,515 km (0.094 R)
• M36: 5,695,341 km (0.074 R)
• M37: 5,801,405 km (0.098 R)
• M38: 5,952,649 km (0.088 R)
• M39: 6,078,311 km (0.082 R)
• M40: 6,177,644 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.5

Radius: 13.9

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.86 AU - 1.94 AU

Year: 1718 Days

Day: 12.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 35,524,433 km

• M1: 217,366 km (0.076 R)
• M2: 381,475 km (0.089 R)
• M3: 477,068 km (0.037 R)
• M4: 583,880 km (0.088 R)
• M5: 718,519 km (0.073 R)
• M6: 952,639 km (0.113 R)
• M7: 1,053,917 km (0.102 R)
• M8: 1,169,855 km (0.072 R)
• M9: 1,301,801 km (0.106 R)
• M10: 1,398,441 km (0.115 R)
• M11: 1,642,136 km (0.115 R)
• M12: 1,778,868 km (0.107 R)
• M13: 1,887,177 km (0.094 R)
• M14: 2,004,462 km (0.109 R)
• M15: 2,117,558 km (0.066 R)
• M16: 2,343,600 km (0.107 R)
• M17: 2,686,778 km (0.106 R)
• M18: 2,932,118 km (0.074 R)
• M19: 3,107,746 km (0.115 R)
• M20: 3,255,399 km (0.092 R)
• M21: 4,079,983 km (0.118 R)
• M22: 4,190,685 km (0.095 R)
• M23: 4,311,111 km (0.059 R)
• M24: 4,415,381 km (0.054 R)
• M25: 4,661,769 km (0.044 R)
• M26: 4,849,514 km (0.101 R)
• M27: 4,957,973 km (0.089 R)
• M28: 5,223,658 km (0.063 R)
• M29: 5,778,367 km (0.12 R)
• M30: 5,874,260 km (0.075 R)
• M31: 6,038,668 km (0.084 R)
• M32: 6,136,056 km (0.074 R)
• M33: 6,243,766 km (0.087 R)
• M34: 6,630,926 km (0.086 R)
• M35: 6,721,283 km (0.106 R)
• M36: 6,822,261 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.1

Radius: 8.1

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.02 AU - 3.34 AU

Year: 2878 Days

Day: 12.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 35,524,433 km

• M1: 102,774 km (0.108 R)
• M2: 221,704 km (0.082 R)
• M3: 276,606 km (0.089 R)
• M4: 399,426 km (0.115 R)
• M5: 560,543 km (0.05 R)
• M6: 636,389 km (0.103 R)
• M7: 750,233 km (0.115 R)
• M8: 820,544 km (0.075 R)
• M9: 1,108,819 km (0.087 R)
• M10: 1,198,129 km (0.038 R)
• M11: 1,264,551 km (0.057 R)
• M12: 1,349,522 km (0.096 R)
• M13: 1,436,439 km (0.06 R)
• M14: 1,764,956 km (0.116 R)
• M15: 2,290,343 km (0.115 R)
• M16: 2,673,763 km (0.049 R)
• M17: 3,251,061 km (0.065 R)
• M18: 3,487,874 km (0.093 R)
• M19: 3,791,857 km (0.089 R)
• M20: 3,940,857 km (0.083 R)
• M21: 4,016,104 km (0.119 R)
• M22: 4,373,344 km (0.114 R)
• M23: 4,464,300 km (0.092 R)
• M24: 4,861,332 km (0.061 R)
• M25: 5,394,200 km (0.102 R)
• M26: 5,477,975 km (0.101 R)
• M27: 5,576,111 km (0.1 R)
• M28: 5,717,331 km (0.109 R)
• M29: 5,859,749 km (0.089 R)
• M30: 5,974,490 km (0.119 R)
• M31: 6,162,684 km (0.104 R)
• M32: 6,323,352 km (0.072 R)
• M33: 6,798,924 km (0.046 R)
• M34: 6,995,346 km (0.049 R)
• M35: 7,270,457 km (0.116 R)
• M36: 7,363,058 km (0.069 R)
• M37: 7,533,599 km (0.117 R)
• M38: 7,768,468 km (0.083 R)
• M39: 7,863,014 km (0.081 R)
• M40: 7,942,151 km (0.08 R)
• M41: 8,133,187 km (0.092 R)
• M42: 8,357,883 km (0.062 R)
• M43: 8,552,211 km (0.086 R)
• M44: 8,617,286 km (0.086 R)
• M45: 9,495,426 km (0.038 R)
• M46: 9,766,048 km (0.042 R)
• M47: 10,263,012 km (0.075 R)
• M48: 10,366,983 km (0.057 R)
• M49: 11,281,774 km (0.073 R)
• M50: 11,586,505 km (0.084 R)
• M51: 11,893,928 km (0.104 R)
• M52: 12,039,487 km (0.112 R)
• M53: 12,240,696 km (0.079 R)
• M54: 12,332,400 km (0.108 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.2

Radius: 14.3

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.74 AU - 3.98 AU

Year: 4040 Days

Day: 5.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,524,433 km

• M1: 284,834 km (0.097 R)
• M2: 379,829 km (0.077 R)
• M3: 953,686 km (0.111 R)
• M4: 1,099,096 km (0.11 R)
• M5: 1,610,122 km (0.093 R)
• M6: 1,955,244 km (0.112 R)
• M7: 2,121,597 km (0.083 R)
• M8: 2,356,316 km (0.076 R)
• M9: 2,624,545 km (0.093 R)
• M10: 2,834,580 km (0.057 R)
• M11: 3,298,334 km (0.055 R)
• M12: 3,795,896 km (0.088 R)
• M13: 4,150,593 km (0.101 R)
• M14: 4,307,371 km (0.092 R)
• M15: 4,606,866 km (0.064 R)
• M16: 5,460,023 km (0.082 R)
• M17: 5,664,823 km (0.111 R)
• M18: 6,081,901 km (0.104 R)
• M19: 6,260,671 km (0.097 R)
• M20: 6,623,296 km (0.111 R)
• M21: 6,738,038 km (0.039 R)
• M22: 7,667,938 km (0.108 R)
• M23: 8,191,082 km (0.084 R)

Planet 10 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.2

Radius: 9.3

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.23 AU - 4.47 AU

Year: 5952 Days

Day: 13.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 35,524,433 km

• M1: 124,615 km (0.104 R)
• M2: 215,870 km (0.091 R)
• M3: 318,344 km (0.105 R)
• M4: 377,884 km (0.046 R)
• M5: 771,476 km (0.107 R)
• M6: 916,885 km (0.102 R)
• M7: 993,180 km (0.101 R)
• M8: 1,136,196 km (0.096 R)
• M9: 1,269,188 km (0.099 R)
• M10: 1,587,533 km (0.09 R)
• M11: 1,794,576 km (0.079 R)
• M12: 1,852,470 km (0.041 R)
• M13: 2,297,375 km (0.095 R)
• M14: 2,467,318 km (0.119 R)
• M15: 2,597,617 km (0.05 R)
• M16: 2,752,451 km (0.107 R)
• M17: 2,887,688 km (0.099 R)
• M18: 3,282,776 km (0.114 R)
• M19: 3,919,913 km (0.111 R)
• M20: 4,252,918 km (0.097 R)
• M21: 4,782,943 km (0.116 R)
• M22: 5,249,838 km (0.045 R)
• M23: 5,702,671 km (0.094 R)
• M24: 6,465,321 km (0.085 R)
• M25: 6,797,578 km (0.112 R)
• M26: 7,353,483 km (0.103 R)
• M27: 7,510,412 km (0.087 R)
• M28: 7,732,116 km (0.07 R)
• M29: 8,246,882 km (0.086 R)
• M30: 8,410,093 km (0.119 R)
• M31: 8,508,528 km (0.103 R)
• M32: 9,140,729 km (0.086 R)
• M33: 9,479,568 km (0.119 R)
• M34: 9,719,224 km (0.11 R)
• M35: 9,960,825 km (0.077 R)
• M36: 10,134,657 km (0.104 R)
• M37: 10,274,531 km (0.106 R)
• M38: 10,379,848 km (0.063 R)
• M39: 11,488,518 km (0.113 R)
• M40: 11,890,936 km (0.115 R)
• M41: 12,038,440 km (0.107 R)
• M42: 12,634,587 km (0.112 R)
• M43: 13,354,901 km (0.098 R)
• M44: 13,508,239 km (0.054 R)
• M45: 13,777,964 km (0.083 R)
• M46: 14,597,910 km (0.109 R)
• M47: 14,914,459 km (0.069 R)
• M48: 15,353,529 km (0.041 R)
• M49: 15,554,439 km (0.027 R)
• M50: 15,675,463 km (0.091 R)
• M51: 16,203,245 km (0.082 R)
• M52: 16,572,153 km (0.114 R)
• M53: 16,737,010 km (0.046 R)
• M54: 17,569,372 km (0.115 R)
• M55: 17,695,334 km (0.096 R)
• M56: 18,117,649 km (0.045 R)
• M57: 18,757,179 km (0.117 R)
• M58: 19,230,956 km (0.112 R)
• M59: 19,621,556 km (0.053 R)
• M60: 19,883,352 km (0.098 R)
• M61: 20,366,404 km (0.12 R)
• M62: 20,542,929 km (0.082 R)
• M63: 20,897,626 km (0.091 R)
• M64: 21,344,026 km (0.119 R)
• M65: 22,518,967 km (0.051 R)
• M66: 23,022,364 km (0.107 R)
• M67: 24,320,575 km (0.09 R)
• M68: 24,554,845 km (0.091 R)
• M69: 24,836,986 km (0.056 R)
• M70: 24,978,506 km (0.111 R)
• M71: 25,120,325 km (0.084 R)
• M72: 25,499,705 km (0.118 R)
• M73: 26,745,556 km (0.117 R)
• M74: 27,962,086 km (0.077 R)
• M75: 29,196,717 km (0.106 R)
• M76: 30,297,758 km (0.053 R)
• M77: 30,398,587 km (0.114 R)
• M78: 30,752,236 km (0.109 R)
• M79: 32,540,529 km (0.077 R)
• M80: 32,902,256 km (0.107 R)
• M81: 33,629,601 km (0.116 R)
• M82: 34,467,499 km (0.089 R)
• M83: 34,941,724 km (0.117 R)
• M84: 35,153,256 km (0.069 R)
• M85: 35,312,129 km (0.049 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 19,509 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit