🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.72 AU - 0.82 AU

Year: 252 Days

Day: 27 Hours

Environment

Temp: 93 °C

Axial Tilt: 34.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.89 AU - 1.13 AU

Year: 378 Days

Day: 20.1 Hours

Environment

Temp: 16 °C

Axial Tilt: 38.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.08 AU - 1.72 AU

Year: 618 Days

Day: 19.7 Hours

Environment

Temp: -40 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 54,676,226 km

• M1: 448,195 km (0.112 R)
• M2: 560,992 km (0.111 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.53 AU - 2.71 AU

Year: 1581 Days

Day: 15.9 Hours

Environment

Temp: -100 °C

Axial Tilt: 6.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.24 AU - 3.34 AU

Year: 1737 Days

Day: 44 Hours

Environment

Temp: -96 °C

Axial Tilt: 46.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.44 AU - 3.58 AU

Year: 1947 Days

Day: 44.2 Hours

Environment

Temp: -108 °C

Axial Tilt: 6.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.1

Radius: 10.8

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.82 AU - 5.52 AU

Year: 4382 Days

Day: 13.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,676,226 km

• M1: 136,583 km (0.05 R)
• M2: 217,515 km (0.067 R)
• M3: 289,472 km (0.119 R)
• M4: 527,931 km (0.103 R)
• M5: 762,351 km (0.059 R)
• M6: 1,247,497 km (0.062 R)
• M7: 1,796,670 km (0.112 R)
• M8: 1,952,851 km (0.071 R)
• M9: 2,081,206 km (0.032 R)
• M10: 2,157,500 km (0.071 R)
• M11: 2,646,386 km (0.083 R)
• M12: 2,717,296 km (0.082 R)
• M13: 3,475,308 km (0.089 R)
• M14: 3,965,690 km (0.082 R)
• M15: 4,060,984 km (0.107 R)
• M16: 4,807,028 km (0.094 R)
• M17: 5,026,040 km (0.12 R)
• M18: 5,203,463 km (0.092 R)
• M19: 5,413,199 km (0.074 R)
• M20: 5,671,704 km (0.097 R)
• M21: 5,918,690 km (0.099 R)
• M22: 6,153,559 km (0.113 R)
• M23: 7,881,564 km (0.109 R)
• M24: 8,244,339 km (0.073 R)
• M25: 8,489,230 km (0.099 R)
• M26: 8,825,377 km (0.117 R)
• M27: 9,730,893 km (0.06 R)
• M28: 10,288,444 km (0.083 R)
• M29: 11,086,249 km (0.091 R)
• M30: 11,221,187 km (0.095 R)
• M31: 11,434,364 km (0.075 R)
• M32: 12,062,076 km (0.12 R)
• M33: 12,280,489 km (0.102 R)
• M34: 12,420,064 km (0.062 R)
• M35: 13,248,687 km (0.09 R)
• M36: 13,928,459 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.1

Radius: 15

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 5.33 AU - 7.39 AU

Year: 5979 Days

Day: 12.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 54,676,226 km

• M1: 207,642 km (0.072 R)
• M2: 371,003 km (0.045 R)
• M3: 674,238 km (0.108 R)
• M4: 803,191 km (0.102 R)
• M5: 928,853 km (0.105 R)
• M6: 1,245,701 km (0.112 R)
• M7: 2,267,754 km (0.105 R)
• M8: 2,396,857 km (0.066 R)
• M9: 2,490,655 km (0.032 R)
• M10: 2,779,678 km (0.105 R)
• M11: 3,496,850 km (0.114 R)
• M12: 3,668,738 km (0.083 R)
• M13: 3,777,645 km (0.112 R)
• M14: 3,932,030 km (0.098 R)
• M15: 4,088,510 km (0.114 R)
• M16: 4,201,606 km (0.076 R)
• M17: 4,361,825 km (0.072 R)
• M18: 4,547,326 km (0.107 R)
• M19: 4,950,493 km (0.081 R)
• M20: 5,046,983 km (0.093 R)
• M21: 5,816,964 km (0.041 R)
• M22: 5,944,571 km (0.052 R)
• M23: 6,202,777 km (0.057 R)
• M24: 6,464,722 km (0.083 R)
• M25: 6,703,630 km (0.059 R)
• M26: 6,891,525 km (0.108 R)
• M27: 7,135,669 km (0.064 R)
• M28: 7,382,655 km (0.118 R)
• M29: 8,112,244 km (0.104 R)
• M30: 8,630,900 km (0.076 R)
• M31: 8,923,663 km (0.066 R)
• M32: 9,071,316 km (0.096 R)
• M33: 10,189,410 km (0.092 R)
• M34: 10,749,056 km (0.064 R)
• M35: 12,093,791 km (0.094 R)
• M36: 12,553,805 km (0.119 R)
• M37: 12,919,422 km (0.078 R)
• M38: 13,254,671 km (0.118 R)
• M39: 13,627,020 km (0.08 R)
• M40: 14,037,067 km (0.09 R)
• M41: 14,209,105 km (0.103 R)
• M42: 14,799,269 km (0.119 R)
• M43: 15,150,225 km (0.113 R)
• M44: 16,328,009 km (0.048 R)
• M45: 16,472,820 km (0.109 R)
• M46: 16,617,930 km (0.088 R)
• M47: 17,056,102 km (0.067 R)
• M48: 17,239,808 km (0.054 R)
• M49: 17,350,361 km (0.111 R)
• M50: 17,572,215 km (0.054 R)
• M51: 17,981,215 km (0.087 R)
• M52: 18,393,507 km (0.111 R)
• M53: 18,808,791 km (0.113 R)
• M54: 18,998,630 km (0.103 R)
• M55: 20,228,624 km (0.119 R)
• M56: 21,286,431 km (0.104 R)
• M57: 21,682,715 km (0.039 R)
• M58: 22,482,765 km (0.114 R)
• M59: 22,886,529 km (0.081 R)
• M60: 23,089,235 km (0.087 R)
• M61: 23,824,059 km (0.104 R)
• M62: 24,982,396 km (0.079 R)
• M63: 25,316,747 km (0.105 R)
• M64: 25,442,409 km (0.081 R)
• M65: 26,074,310 km (0.095 R)
• M66: 26,455,935 km (0.069 R)
• M67: 27,010,494 km (0.08 R)
• M68: 27,224,868 km (0.045 R)
• M69: 28,044,365 km (0.065 R)
• M70: 29,091,101 km (0.078 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.7

Radius: 14.9

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.62 AU - 7.16 AU

Year: 6742 Days

Day: 7.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 54,676,226 km

• M1: 191,485 km (0.101 R)
• M2: 351,555 km (0.069 R)
• M3: 543,190 km (0.061 R)
• M4: 850,015 km (0.067 R)
• M5: 1,962,724 km (0.115 R)
• M6: 2,363,198 km (0.104 R)
• M7: 2,607,042 km (0.106 R)
• M8: 2,720,736 km (0.074 R)
• M9: 2,906,238 km (0.117 R)
• M10: 3,192,568 km (0.058 R)
• M11: 3,413,375 km (0.049 R)
• M12: 3,588,703 km (0.037 R)
• M13: 3,792,904 km (0.103 R)
• M14: 4,320,387 km (0.08 R)
• M15: 4,955,878 km (0.113 R)
• M16: 5,126,569 km (0.118 R)
• M17: 5,444,764 km (0.111 R)
• M18: 5,919,139 km (0.079 R)
• M19: 6,039,864 km (0.095 R)
• M20: 7,421,550 km (0.085 R)
• M21: 7,715,959 km (0.11 R)
• M22: 7,848,203 km (0.097 R)
• M23: 8,047,767 km (0.107 R)
• M24: 8,282,785 km (0.047 R)
• M25: 8,451,980 km (0.062 R)
• M26: 8,622,522 km (0.086 R)
• M27: 9,280,603 km (0.098 R)
• M28: 9,847,579 km (0.12 R)
• M29: 10,171,458 km (0.077 R)
• M30: 10,425,775 km (0.106 R)
• M31: 10,682,186 km (0.111 R)
• M32: 11,464,134 km (0.049 R)
• M33: 11,766,920 km (0.107 R)
• M34: 12,303,228 km (0.106 R)
• M35: 12,808,270 km (0.114 R)
• M36: 12,925,854 km (0.071 R)
• M37: 13,320,344 km (0.064 R)
• M38: 13,519,010 km (0.047 R)
• M39: 14,649,970 km (0.12 R)
• M40: 15,476,349 km (0.057 R)
• M41: 16,402,958 km (0.078 R)
• M42: 16,530,714 km (0.094 R)
• M43: 17,217,668 km (0.119 R)
• M44: 17,434,285 km (0.097 R)
• M45: 18,486,706 km (0.109 R)
• M46: 19,379,357 km (0.108 R)
• M47: 19,740,337 km (0.07 R)
• M48: 19,876,321 km (0.087 R)
• M49: 20,012,455 km (0.075 R)
• M50: 20,744,587 km (0.106 R)
• M51: 21,206,545 km (0.045 R)
• M52: 21,671,944 km (0.037 R)
• M53: 21,859,091 km (0.119 R)
• M54: 21,952,889 km (0.037 R)
• M55: 22,234,881 km (0.036 R)
• M56: 22,376,401 km (0.111 R)
• M57: 22,518,219 km (0.081 R)
• M58: 23,088,337 km (0.108 R)
• M59: 23,231,652 km (0.095 R)
• M60: 23,663,391 km (0.084 R)
• M61: 23,807,753 km (0.115 R)
• M62: 25,072,304 km (0.118 R)
• M63: 25,367,161 km (0.073 R)
• M64: 25,515,114 km (0.039 R)
• M65: 25,663,216 km (0.094 R)
• M66: 25,762,249 km (0.027 R)
• M67: 26,258,765 km (0.114 R)
• M68: 26,758,571 km (0.119 R)
• M69: 27,869,335 km (0.103 R)
• M70: 30,449,151 km (0.099 R)
• M71: 30,658,737 km (0.082 R)
• M72: 31,237,980 km (0.048 R)
• M73: 32,567,456 km (0.096 R)
• M74: 32,889,391 km (0.117 R)
• M75: 34,842,541 km (0.116 R)
• M76: 35,336,812 km (0.055 R)
• M77: 35,777,976 km (0.089 R)
• M78: 37,617,282 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.1

Radius: 5.7

Gravity: 4.96 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 13.43 AU - 19.69 AU

Year: 25121 Days

Day: 15.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 54,676,226 km

• M1: 90,208 km (0.027 R)
• M2: 171,140 km (0.075 R)
• M3: 326,722 km (0.119 R)
• M4: 368,908 km (0.066 R)
• M5: 557,850 km (0.11 R)
• M6: 681,418 km (0.09 R)
• M7: 893,548 km (0.06 R)
• M8: 996,771 km (0.081 R)
• M9: 1,082,191 km (0.106 R)
• M10: 1,125,874 km (0.106 R)
• M11: 1,520,662 km (0.072 R)
• M12: 1,797,718 km (0.053 R)
• M13: 1,875,957 km (0.083 R)
• M14: 2,809,598 km (0.045 R)
• M15: 3,730,672 km (0.106 R)
• M16: 3,797,392 km (0.11 R)
• M17: 3,932,180 km (0.062 R)
• M18: 5,476,628 km (0.092 R)
• M19: 5,514,626 km (0.065 R)
• M20: 6,212,351 km (0.094 R)
• M21: 6,291,488 km (0.095 R)
• M22: 7,477,799 km (0.063 R)
• M23: 7,646,845 km (0.083 R)
• M24: 7,902,657 km (0.084 R)
• M25: 8,074,844 km (0.053 R)
• M26: 8,598,586 km (0.078 R)
• M27: 8,642,718 km (0.095 R)
• M28: 9,268,635 km (0.071 R)
• M29: 9,862,988 km (0.114 R)
• M30: 9,909,213 km (0.112 R)
• M31: 10,422,484 km (0.112 R)
• M32: 11,620,763 km (0.065 R)
• M33: 13,319,147 km (0.065 R)
• M34: 13,524,096 km (0.115 R)
• M35: 14,196,988 km (0.057 R)
• M36: 14,827,991 km (0.074 R)
• M37: 15,040,271 km (0.118 R)
• M38: 15,146,784 km (0.101 R)
• M39: 15,307,153 km (0.028 R)
• M40: 17,329,717 km (0.098 R)
• M41: 17,609,465 km (0.067 R)
• M42: 18,173,449 km (0.094 R)
• M43: 18,286,844 km (0.114 R)
• M44: 19,030,345 km (0.086 R)
• M45: 19,900,406 km (0.1 R)
• M46: 20,193,319 km (0.068 R)
• M47: 21,199,813 km (0.099 R)
• M48: 21,679,125 km (0.116 R)
• M49: 21,980,415 km (0.109 R)
• M50: 23,076,818 km (0.085 R)
• M51: 23,879,710 km (0.119 R)
• M52: 24,066,258 km (0.056 R)
• M53: 24,128,491 km (0.076 R)
• M54: 24,503,383 km (0.084 R)
• M55: 25,069,462 km (0.072 R)
• M56: 25,767,036 km (0.107 R)
• M57: 26,406,717 km (0.114 R)
• M58: 27,246,260 km (0.115 R)
• M59: 27,571,336 km (0.053 R)
• M60: 27,832,534 km (0.12 R)
• M61: 28,094,331 km (0.063 R)
• M62: 29,017,499 km (0.09 R)
• M63: 30,960,925 km (0.077 R)
• M64: 31,232,295 km (0.05 R)
• M65: 31,436,347 km (0.102 R)
• M66: 31,572,631 km (0.041 R)
• M67: 31,640,847 km (0.055 R)
• M68: 32,669,931 km (0.089 R)
• M69: 33,919,223 km (0.069 R)
• M70: 34,619,939 km (0.091 R)
• M71: 36,966,232 km (0.059 R)
• M72: 37,038,039 km (0.067 R)
• M73: 37,326,165 km (0.079 R)
• M74: 38,485,847 km (0.057 R)
• M75: 40,173,461 km (0.103 R)
• M76: 41,286,918 km (0.046 R)
• M77: 41,735,263 km (0.103 R)
• M78: 44,076,918 km (0.11 R)
• M79: 44,688,026 km (0.107 R)
• M80: 46,073,451 km (0.049 R)
• M81: 46,849,266 km (0.113 R)
• M82: 47,472,939 km (0.068 R)
• M83: 47,864,138 km (0.103 R)
• M84: 48,020,916 km (0.113 R)
• M85: 48,965,178 km (0.06 R)
• M86: 49,677,414 km (0.09 R)
• M87: 49,995,160 km (0.094 R)
• M88: 50,952,137 km (0.106 R)
• M89: 51,272,426 km (0.086 R)
• M90: 51,513,129 km (0.027 R)
• M91: 53,533,598 km (0.116 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 12,156 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit