🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.46 AU - 0.56 AU

Year: 235 Days

Day: 21.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,275,380 km

• M1: 62,981 km (0.053 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.56 AU - 0.58 AU

Year: 278 Days

Day: 43.8 Hours

Environment

Temp: -128 °C

Axial Tilt: 136.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,275,380 km

• M1: 310,565 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.8

Radius: 8.9

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.73 AU - 0.75 AU

Year: 411 Days

Day: 14 Hours

Environment

Temp: -146 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,275,380 km

• M1: 111,750 km (0.074 R)
• M2: 174,581 km (0.108 R)
• M3: 241,451 km (0.11 R)
• M4: 305,928 km (0.108 R)
• M5: 366,066 km (0.113 R)
• M6: 422,764 km (0.117 R)
• M7: 520,451 km (0.036 R)
• M8: 576,101 km (0.096 R)
• M9: 718,818 km (0.039 R)
• M10: 793,318 km (0.072 R)
• M11: 893,997 km (0.075 R)
• M12: 1,058,405 km (0.065 R)
• M13: 1,160,580 km (0.119 R)
• M14: 1,276,219 km (0.082 R)
• M15: 1,458,878 km (0.117 R)
• M16: 1,533,677 km (0.065 R)
• M17: 1,595,162 km (0.08 R)
• M18: 1,653,804 km (0.073 R)
• M19: 1,720,824 km (0.097 R)
• M20: 1,869,076 km (0.086 R)
• M21: 1,950,607 km (0.075 R)
• M22: 2,125,487 km (0.11 R)
• M23: 2,251,897 km (0.105 R)
• M24: 2,393,416 km (0.046 R)
• M25: 2,490,805 km (0.068 R)
• M26: 2,567,997 km (0.04 R)
• M27: 2,624,246 km (0.089 R)
• M28: 2,680,943 km (0.119 R)
• M29: 2,893,821 km (0.115 R)
• M30: 2,975,053 km (0.111 R)
• M31: 3,057,182 km (0.07 R)
• M32: 3,163,097 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.2

Radius: 13.1

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.18 AU - 1.26 AU

Year: 870 Days

Day: 5 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 67,275,380 km

• M1: 177,573 km (0.118 R)
• M2: 262,395 km (0.025 R)
• M3: 375,491 km (0.097 R)
• M4: 465,549 km (0.098 R)
• M5: 551,268 km (0.103 R)
• M6: 633,697 km (0.059 R)
• M7: 813,962 km (0.048 R)
• M8: 899,382 km (0.099 R)
• M9: 1,012,628 km (0.105 R)
• M10: 1,221,616 km (0.026 R)
• M11: 1,308,084 km (0.095 R)
• M12: 1,551,779 km (0.11 R)
• M13: 1,653,505 km (0.113 R)
• M14: 1,825,842 km (0.104 R)
• M15: 2,012,241 km (0.025 R)
• M16: 2,205,073 km (0.099 R)
• M17: 2,395,810 km (0.058 R)
• M18: 2,557,675 km (0.083 R)
• M19: 2,723,130 km (0.036 R)
• M20: 2,982,832 km (0.115 R)
• M21: 3,120,312 km (0.064 R)
• M22: 3,288,161 km (0.112 R)
• M23: 3,401,856 km (0.025 R)
• M24: 3,507,172 km (0.099 R)
• M25: 3,652,731 km (0.113 R)
• M26: 3,770,465 km (0.092 R)
• M27: 4,040,339 km (0.115 R)
• M28: 4,141,916 km (0.109 R)
• M29: 4,514,864 km (0.077 R)
• M30: 4,599,237 km (0.06 R)
• M31: 4,942,115 km (0.118 R)
• M32: 5,171,598 km (0.104 R)
• M33: 5,494,431 km (0.085 R)
• M34: 5,584,638 km (0.079 R)
• M35: 5,778,068 km (0.108 R)
• M36: 6,066,642 km (0.116 R)
• M37: 6,159,992 km (0.095 R)
• M38: 6,454,699 km (0.113 R)
• M39: 6,730,109 km (0.086 R)
• M40: 6,923,988 km (0.093 R)
• M41: 7,107,395 km (0.087 R)
• M42: 7,317,281 km (0.11 R)
• M43: 7,454,163 km (0.11 R)
• M44: 7,857,329 km (0.092 R)
• M45: 7,972,071 km (0.091 R)
• M46: 8,267,676 km (0.105 R)
• M47: 8,449,437 km (0.06 R)
• M48: 8,566,872 km (0.112 R)
• M49: 8,750,877 km (0.095 R)
• M50: 8,949,393 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.3

Radius: 8.8

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.32 AU - 1.74 AU

Year: 1222 Days

Day: 13.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 67,275,380 km

• M1: 113,096 km (0.063 R)
• M2: 173,683 km (0.087 R)
• M3: 231,727 km (0.043 R)
• M4: 335,997 km (0.112 R)
• M5: 480,508 km (0.05 R)
• M6: 586,274 km (0.055 R)
• M7: 642,224 km (0.093 R)
• M8: 730,187 km (0.106 R)
• M9: 886,218 km (0.085 R)
• M10: 962,961 km (0.1 R)
• M11: 1,024,895 km (0.066 R)
• M12: 1,082,490 km (0.095 R)
• M13: 1,189,004 km (0.069 R)
• M14: 1,280,558 km (0.096 R)
• M15: 1,368,222 km (0.092 R)
• M16: 1,425,668 km (0.103 R)
• M17: 1,670,709 km (0.037 R)
• M18: 1,808,788 km (0.082 R)
• M19: 2,015,831 km (0.09 R)
• M20: 2,096,465 km (0.037 R)
• M21: 2,185,625 km (0.119 R)
• M22: 2,283,611 km (0.08 R)
• M23: 2,344,797 km (0.026 R)
• M24: 2,429,769 km (0.113 R)
• M25: 2,531,495 km (0.07 R)
• M26: 2,787,906 km (0.114 R)
• M27: 2,886,341 km (0.108 R)
• M28: 2,977,596 km (0.09 R)
• M29: 3,044,466 km (0.114 R)
• M30: 3,162,948 km (0.107 R)
• M31: 3,404,399 km (0.086 R)
• M32: 3,465,734 km (0.095 R)
• M33: 3,553,847 km (0.081 R)
• M34: 3,868,751 km (0.104 R)
• M35: 3,923,653 km (0.074 R)
• M36: 4,015,656 km (0.07 R)
• M37: 4,080,432 km (0.117 R)
• M38: 4,136,381 km (0.106 R)
• M39: 4,286,727 km (0.107 R)
• M40: 4,362,573 km (0.066 R)
• M41: 4,486,739 km (0.064 R)
• M42: 4,797,454 km (0.036 R)
• M43: 4,975,326 km (0.042 R)
• M44: 5,085,131 km (0.088 R)
• M45: 5,460,322 km (0.101 R)
• M46: 5,594,362 km (0.108 R)
• M47: 5,698,183 km (0.028 R)
• M48: 5,781,659 km (0.116 R)
• M49: 5,844,639 km (0.028 R)
• M50: 5,960,578 km (0.092 R)
• M51: 6,077,264 km (0.095 R)
• M52: 6,141,142 km (0.116 R)
• M53: 6,334,572 km (0.05 R)
• M54: 6,464,423 km (0.071 R)
• M55: 6,694,056 km (0.116 R)
• M56: 6,782,319 km (0.098 R)
• M57: 6,837,670 km (0.081 R)
• M58: 7,604,808 km (0.097 R)
• M59: 7,847,306 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.4

Radius: 14.8

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.65 AU - 1.73 AU

Year: 1419 Days

Day: 5.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 67,275,380 km

• M1: 192,981 km (0.104 R)
• M2: 425,008 km (0.109 R)
• M3: 621,729 km (0.104 R)
• M4: 820,544 km (0.116 R)
• M5: 958,324 km (0.066 R)
• M6: 1,142,629 km (0.06 R)
• M7: 1,246,150 km (0.099 R)
• M8: 1,620,893 km (0.118 R)
• M9: 1,913,955 km (0.026 R)
• M10: 2,015,682 km (0.026 R)
• M11: 2,307,098 km (0.088 R)
• M12: 2,407,479 km (0.047 R)
• M13: 2,569,343 km (0.095 R)
• M14: 2,895,317 km (0.107 R)
• M15: 3,013,200 km (0.109 R)
• M16: 3,329,001 km (0.096 R)
• M17: 3,423,996 km (0.08 R)
• M18: 3,616,828 km (0.07 R)
• M19: 3,763,882 km (0.098 R)
• M20: 3,923,055 km (0.102 R)
• M21: 4,299,592 km (0.091 R)
• M22: 4,581,884 km (0.106 R)
• M23: 4,698,720 km (0.109 R)
• M24: 4,967,996 km (0.055 R)
• M25: 5,165,016 km (0.071 R)
• M26: 5,465,409 km (0.119 R)
• M27: 5,955,940 km (0.118 R)
• M28: 6,508,405 km (0.118 R)
• M29: 6,748,510 km (0.117 R)
• M30: 7,175,911 km (0.046 R)
• M31: 7,449,076 km (0.063 R)
• M32: 7,763,830 km (0.094 R)
• M33: 8,044,326 km (0.119 R)
• M34: 8,432,383 km (0.1 R)
• M35: 8,668,149 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.3

Radius: 9

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 3.77 AU - 4.13 AU

Year: 5069 Days

Day: 14.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 67,275,380 km

• M1: 151,692 km (0.106 R)
• M2: 291,566 km (0.08 R)
• M3: 430,094 km (0.057 R)
• M4: 956,080 km (0.112 R)
• M5: 1,394,551 km (0.03 R)
• M6: 1,497,175 km (0.092 R)
• M7: 1,575,864 km (0.1 R)
• M8: 1,682,826 km (0.103 R)
• M9: 1,778,719 km (0.072 R)
• M10: 1,876,256 km (0.025 R)
• M11: 2,239,630 km (0.071 R)
• M12: 2,656,709 km (0.109 R)
• M13: 2,964,880 km (0.112 R)
• M14: 3,336,033 km (0.12 R)
• M15: 3,439,853 km (0.094 R)
• M16: 3,527,219 km (0.107 R)
• M17: 3,956,714 km (0.044 R)
• M18: 4,271,169 km (0.1 R)
• M19: 5,022,749 km (0.086 R)
• M20: 5,566,986 km (0.12 R)
• M21: 5,940,382 km (0.086 R)
• M22: 6,108,829 km (0.116 R)
• M23: 6,343,099 km (0.062 R)
• M24: 7,086,152 km (0.113 R)
• M25: 7,445,187 km (0.102 R)
• M26: 7,925,695 km (0.089 R)
• M27: 8,064,672 km (0.088 R)
• M28: 8,298,343 km (0.089 R)
• M29: 8,368,954 km (0.059 R)
• M30: 8,629,254 km (0.073 R)
• M31: 8,844,376 km (0.086 R)
• M32: 9,771,583 km (0.082 R)
• M33: 9,871,066 km (0.1 R)
• M34: 10,196,441 km (0.084 R)
• M35: 11,167,930 km (0.092 R)
• M36: 11,376,170 km (0.068 R)
• M37: 11,690,924 km (0.112 R)
• M38: 11,849,498 km (0.078 R)
• M39: 11,928,934 km (0.101 R)
• M40: 12,788,224 km (0.071 R)
• M41: 13,390,505 km (0.075 R)
• M42: 13,473,383 km (0.11 R)
• M43: 13,722,912 km (0.093 R)
• M44: 13,945,962 km (0.117 R)
• M45: 14,480,775 km (0.096 R)
• M46: 14,565,746 km (0.104 R)
• M47: 15,223,379 km (0.052 R)
• M48: 15,541,274 km (0.102 R)
• M49: 16,331,001 km (0.068 R)
• M50: 16,626,756 km (0.117 R)
• M51: 17,163,663 km (0.037 R)
• M52: 17,434,285 km (0.089 R)
• M53: 17,827,578 km (0.09 R)
• M54: 17,979,570 km (0.114 R)
• M55: 19,305,156 km (0.117 R)
• M56: 20,058,531 km (0.118 R)
• M57: 20,311,800 km (0.074 R)
• M58: 20,661,860 km (0.085 R)
• M59: 20,917,672 km (0.115 R)
• M60: 21,046,027 km (0.12 R)
• M61: 21,335,648 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794.5

Radius: 4.6

Gravity: 37.55 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.98 AU - 9.62 AU

Year: 15439 Days

Day: 22.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 67,275,380 km

• M1: 96,640 km (0.114 R)
• M2: 145,559 km (0.075 R)
• M3: 389,104 km (0.061 R)
• M4: 1,171,202 km (0.066 R)
• M5: 1,493,436 km (0.119 R)
• M6: 1,549,684 km (0.069 R)
• M7: 1,606,831 km (0.083 R)
• M8: 1,782,159 km (0.09 R)
• M9: 2,279,273 km (0.088 R)
• M10: 2,409,872 km (0.078 R)
• M11: 3,428,484 km (0.098 R)
• M12: 4,198,913 km (0.107 R)
• M13: 5,062,691 km (0.104 R)
• M14: 5,147,812 km (0.097 R)
• M15: 6,205,170 km (0.11 R)
• M16: 7,088,246 km (0.083 R)
• M17: 7,519,986 km (0.086 R)
• M18: 7,763,681 km (0.109 R)
• M19: 7,911,035 km (0.054 R)
• M20: 8,158,769 km (0.037 R)
• M21: 8,308,666 km (0.086 R)
• M22: 8,611,153 km (0.106 R)
• M23: 8,866,067 km (0.111 R)
• M24: 9,278,808 km (0.043 R)
• M25: 9,645,323 km (0.107 R)
• M26: 11,547,011 km (0.096 R)
• M27: 11,715,308 km (0.119 R)
• M28: 12,054,297 km (0.11 R)
• M29: 12,167,992 km (0.111 R)
• M30: 13,090,562 km (0.111 R)
• M31: 14,697,542 km (0.065 R)
• M32: 15,493,103 km (0.091 R)
• M33: 15,616,821 km (0.097 R)
• M34: 15,678,754 km (0.102 R)
• M35: 16,302,727 km (0.108 R)
• M36: 16,365,558 km (0.114 R)
• M37: 16,998,507 km (0.045 R)
• M38: 18,027,591 km (0.115 R)
• M39: 19,275,835 km (0.091 R)
• M40: 19,475,399 km (0.068 R)
• M41: 19,742,581 km (0.11 R)
• M42: 19,943,790 km (0.113 R)
• M43: 20,011,109 km (0.11 R)
• M44: 20,078,428 km (0.087 R)
• M45: 20,755,508 km (0.094 R)
• M46: 22,131,958 km (0.09 R)
• M47: 22,480,820 km (0.095 R)
• M48: 23,822,414 km (0.081 R)
• M49: 24,972,223 km (0.096 R)
• M50: 25,846,323 km (0.053 R)
• M51: 26,656,545 km (0.092 R)
• M52: 26,953,198 km (0.1 R)
• M53: 27,176,398 km (0.109 R)
• M54: 27,624,593 km (0.119 R)
• M55: 28,301,524 km (0.105 R)
• M56: 30,597,103 km (0.11 R)
• M57: 30,985,459 km (0.061 R)
• M58: 31,141,340 km (0.095 R)
• M59: 31,531,940 km (0.113 R)
• M60: 32,081,712 km (0.115 R)
• M61: 33,749,579 km (0.083 R)
• M62: 34,150,800 km (0.106 R)
• M63: 34,876,948 km (0.115 R)
• M64: 35,120,195 km (0.093 R)
• M65: 35,282,658 km (0.037 R)
• M66: 37,832,404 km (0.06 R)
• M67: 39,087,380 km (0.051 R)
• M68: 40,186,027 km (0.104 R)
• M69: 40,867,146 km (0.106 R)
• M70: 41,037,987 km (0.062 R)
• M71: 41,294,697 km (0.089 R)
• M72: 42,068,118 km (0.067 R)
• M73: 43,367,824 km (0.047 R)
• M74: 43,629,471 km (0.045 R)
• M75: 46,184,303 km (0.076 R)
• M76: 46,718,966 km (0.113 R)
• M77: 48,425,429 km (0.07 R)
• M78: 48,787,306 km (0.11 R)
• M79: 49,331,693 km (0.086 R)
• M80: 50,335,196 km (0.112 R)
• M81: 53,105,748 km (0.115 R)
• M82: 53,292,147 km (0.067 R)
• M83: 53,665,843 km (0.106 R)
• M84: 53,759,341 km (0.077 R)
• M85: 54,227,732 km (0.114 R)
• M86: 54,509,575 km (0.087 R)
• M87: 54,697,619 km (0.059 R)
• M88: 56,020,214 km (0.094 R)
• M89: 56,590,331 km (0.075 R)
• M90: 58,504,436 km (0.119 R)
• M91: 59,663,072 km (0.063 R)
• M92: 60,731,799 km (0.067 R)
• M93: 61,610,985 km (0.1 R)
• M94: 62,888,102 km (0.084 R)
• M95: 66,269,613 km (0.073 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 12,987 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit