🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.46 AU - 0.64 AU

Year: 156 Days

Day: 40.9 Hours

Environment

Temp: 153 °C

Axial Tilt: 33.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.48 AU - 0.74 AU

Year: 182 Days

Day: 34.6 Hours

Environment

Temp: 110 °C

Axial Tilt: 31.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.6 AU - 0.74 AU

Year: 210 Days

Day: 20.4 Hours

Environment

Temp: 179 °C

Axial Tilt: 14.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.83 AU - 1.05 AU

Year: 349 Days

Day: 32.9 Hours

Environment

Temp: 29 °C

Axial Tilt: 24.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 31,226,256 km

• M1: 315,352 km (0.076 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2 AU - 2.2 AU

Year: 1165 Days

Day: 24.9 Hours

Environment

Temp: -88 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.9 AU - 4.54 AU

Year: 2747 Days

Day: 41.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.11 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.2

Radius: 12.8

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.86 AU - 5.14 AU

Year: 3655 Days

Day: 11.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 31,226,256 km

• M1: 306,825 km (0.118 R)
• M2: 508,184 km (0.037 R)
• M3: 660,175 km (0.052 R)
• M4: 806,033 km (0.087 R)
• M5: 1,014,722 km (0.089 R)
• M6: 1,105,977 km (0.03 R)
• M7: 1,186,760 km (0.034 R)
• M8: 1,269,787 km (0.095 R)
• M9: 1,486,105 km (0.081 R)
• M10: 1,699,432 km (0.115 R)
• M11: 2,038,720 km (0.079 R)
• M12: 2,277,029 km (0.08 R)
• M13: 2,435,154 km (0.095 R)
• M14: 2,597,019 km (0.111 R)
• M15: 2,706,973 km (0.088 R)
• M16: 2,799,874 km (0.106 R)
• M17: 2,893,821 km (0.095 R)
• M18: 3,241,038 km (0.079 R)
• M19: 3,419,807 km (0.104 R)
• M20: 3,891,489 km (0.104 R)
• M21: 4,167,348 km (0.077 R)
• M22: 4,427,798 km (0.097 R)
• M23: 4,582,183 km (0.084 R)
• M24: 4,738,513 km (0.109 R)
• M25: 4,919,227 km (0.107 R)
• M26: 5,056,258 km (0.113 R)
• M27: 5,929,760 km (0.049 R)
• M28: 6,026,999 km (0.111 R)
• M29: 6,124,686 km (0.103 R)
• M30: 6,297,173 km (0.118 R)
• M31: 6,421,339 km (0.092 R)
• M32: 6,646,933 km (0.085 R)
• M33: 6,773,343 km (0.119 R)
• M34: 7,131,779 km (0.03 R)
• M35: 7,947,536 km (0.088 R)
• M36: 8,298,343 km (0.105 R)
• M37: 9,099,590 km (0.064 R)
• M38: 9,580,696 km (0.115 R)
• M39: 10,128,374 km (0.118 R)
• M40: 10,391,367 km (0.109 R)
• M41: 10,597,364 km (0.109 R)
• M42: 10,834,626 km (0.094 R)
• M43: 10,953,855 km (0.075 R)
• M44: 11,985,482 km (0.098 R)
• M45: 12,889,652 km (0.04 R)
• M46: 13,047,777 km (0.07 R)
• M47: 13,977,827 km (0.09 R)
• M48: 14,500,073 km (0.067 R)
• M49: 14,929,120 km (0.117 R)
• M50: 15,429,375 km (0.045 R)
• M51: 15,530,054 km (0.083 R)
• M52: 15,901,206 km (0.092 R)
• M53: 16,173,026 km (0.029 R)
• M54: 16,343,717 km (0.102 R)
• M55: 16,652,487 km (0.108 R)
• M56: 16,963,052 km (0.041 R)
• M57: 17,555,161 km (0.112 R)
• M58: 17,977,027 km (0.104 R)
• M59: 18,402,483 km (0.061 R)
• M60: 18,580,654 km (0.08 R)
• M61: 19,371,578 km (0.086 R)
• M62: 19,734,802 km (0.095 R)
• M63: 20,210,224 km (0.076 R)
• M64: 20,763,736 km (0.105 R)
• M65: 22,149,910 km (0.086 R)
• M66: 22,529,739 km (0.085 R)
• M67: 23,180,340 km (0.06 R)
• M68: 23,295,829 km (0.078 R)
• M69: 23,488,661 km (0.055 R)
• M70: 23,643,345 km (0.111 R)
• M71: 23,914,865 km (0.079 R)
• M72: 24,226,328 km (0.119 R)
• M73: 24,774,754 km (0.118 R)
• M74: 24,932,280 km (0.025 R)
• M75: 25,406,655 km (0.118 R)
• M76: 26,565,291 km (0.091 R)
• M77: 27,212,002 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.2

Radius: 11.5

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 5.57 AU - 5.71 AU

Year: 5128 Days

Day: 5.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 31,226,256 km

• M1: 153,936 km (0.099 R)
• M2: 316,699 km (0.085 R)
• M3: 437,125 km (0.102 R)
• M4: 567,874 km (0.115 R)
• M5: 734,226 km (0.103 R)
• M6: 862,133 km (0.057 R)
• M7: 998,267 km (0.109 R)
• M8: 1,423,873 km (0.094 R)
• M9: 1,800,560 km (0.06 R)
• M10: 1,888,524 km (0.063 R)
• M11: 2,008,202 km (0.06 R)
• M12: 2,414,958 km (0.091 R)
• M13: 2,762,474 km (0.113 R)
• M14: 2,864,650 km (0.095 R)
• M15: 3,822,674 km (0.103 R)
• M16: 4,149,845 km (0.083 R)
• M17: 4,247,682 km (0.038 R)
• M18: 5,699,080 km (0.07 R)
• M19: 5,940,083 km (0.094 R)
• M20: 6,139,945 km (0.065 R)
• M21: 7,007,763 km (0.041 R)
• M22: 7,480,043 km (0.117 R)
• M23: 7,841,023 km (0.099 R)
• M24: 7,987,030 km (0.096 R)
• M25: 8,183,153 km (0.07 R)
• M26: 8,257,054 km (0.094 R)
• M27: 8,680,416 km (0.088 R)
• M28: 8,780,946 km (0.038 R)
• M29: 8,907,356 km (0.081 R)
• M30: 9,966,210 km (0.105 R)
• M31: 10,283,507 km (0.094 R)
• M32: 10,658,100 km (0.081 R)
• M33: 11,173,615 km (0.09 R)
• M34: 11,780,832 km (0.037 R)
• M35: 11,892,283 km (0.098 R)
• M36: 12,116,530 km (0.045 R)
• M37: 12,285,426 km (0.085 R)
• M38: 12,597,487 km (0.093 R)
• M39: 12,854,646 km (0.11 R)
• M40: 13,258,111 km (0.065 R)
• M41: 13,665,915 km (0.049 R)
• M42: 14,107,229 km (0.096 R)
• M43: 14,613,169 km (0.114 R)
• M44: 14,883,492 km (0.042 R)
• M45: 15,216,048 km (0.104 R)
• M46: 15,796,338 km (0.043 R)
• M47: 15,981,092 km (0.086 R)
• M48: 16,166,593 km (0.044 R)
• M49: 16,352,842 km (0.062 R)
• M50: 17,803,942 km (0.09 R)
• M51: 17,931,998 km (0.118 R)
• M52: 18,382,886 km (0.088 R)
• M53: 18,480,124 km (0.109 R)
• M54: 19,033,487 km (0.041 R)
• M55: 19,691,717 km (0.112 R)
• M56: 19,957,104 km (0.097 R)
• M57: 20,390,788 km (0.066 R)
• M58: 20,558,487 km (0.059 R)
• M59: 20,793,954 km (0.093 R)
• M60: 21,132,046 km (0.095 R)
• M61: 22,019,311 km (0.092 R)
• M62: 22,260,163 km (0.081 R)
• M63: 22,398,242 km (0.09 R)
• M64: 23,092,975 km (0.113 R)
• M65: 23,232,849 km (0.057 R)
• M66: 23,337,866 km (0.113 R)
• M67: 23,513,345 km (0.065 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476

Radius: 9.6

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.11 AU - 7.61 AU

Year: 6879 Days

Day: 7.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 31,226,256 km

• M1: 162,762 km (0.119 R)
• M2: 403,166 km (0.069 R)
• M3: 936,333 km (0.108 R)
• M4: 1,115,252 km (0.099 R)
• M5: 1,371,663 km (0.064 R)
• M6: 2,015,383 km (0.089 R)
• M7: 2,348,986 km (0.113 R)
• M8: 2,409,723 km (0.104 R)
• M9: 2,678,999 km (0.116 R)
• M10: 2,828,148 km (0.081 R)
• M11: 2,936,307 km (0.055 R)
• M12: 3,112,384 km (0.103 R)
• M13: 3,179,254 km (0.081 R)
• M14: 3,337,379 km (0.068 R)
• M15: 3,803,227 km (0.043 R)
• M16: 4,240,202 km (0.082 R)
• M17: 4,540,445 km (0.107 R)
• M18: 5,188,054 km (0.115 R)
• M19: 5,672,302 km (0.047 R)
• M20: 5,754,432 km (0.077 R)
• M21: 6,283,859 km (0.075 R)
• M22: 6,425,827 km (0.107 R)
• M23: 6,568,693 km (0.08 R)
• M24: 6,683,883 km (0.037 R)
• M25: 6,974,851 km (0.052 R)
• M26: 7,092,285 km (0.116 R)
• M27: 7,359,168 km (0.088 R)
• M28: 7,689,779 km (0.102 R)
• M29: 8,272,313 km (0.069 R)
• M30: 8,428,045 km (0.109 R)
• M31: 9,124,573 km (0.065 R)
• M32: 9,512,330 km (0.107 R)
• M33: 9,708,303 km (0.094 R)
• M34: 9,938,535 km (0.103 R)
• M35: 10,404,532 km (0.107 R)
• M36: 11,635,274 km (0.058 R)
• M37: 12,090,949 km (0.105 R)
• M38: 12,267,773 km (0.085 R)
• M39: 12,516,704 km (0.095 R)
• M40: 13,164,762 km (0.109 R)
• M41: 13,934,443 km (0.103 R)
• M42: 14,119,945 km (0.085 R)
• M43: 14,907,727 km (0.093 R)
• M44: 15,786,914 km (0.052 R)
• M45: 15,941,448 km (0.094 R)
• M46: 16,096,581 km (0.079 R)
• M47: 17,795,564 km (0.071 R)
• M48: 18,442,276 km (0.08 R)
• M49: 19,385,191 km (0.105 R)
• M50: 19,633,823 km (0.107 R)
• M51: 19,966,977 km (0.106 R)
• M52: 20,386,001 km (0.047 R)
• M53: 22,307,137 km (0.076 R)
• M54: 22,480,820 km (0.119 R)
• M55: 22,742,018 km (0.058 R)
• M56: 22,872,916 km (0.064 R)
• M57: 23,487,464 km (0.086 R)
• M58: 24,196,408 km (0.12 R)
• M59: 24,643,108 km (0.104 R)
• M60: 25,092,649 km (0.094 R)
• M61: 25,363,571 km (0.074 R)
• M62: 25,908,406 km (0.078 R)
• M63: 26,963,371 km (0.112 R)
• M64: 28,784,276 km (0.1 R)
• M65: 29,305,026 km (0.073 R)
• M66: 29,495,165 km (0.117 R)
• M67: 29,733,474 km (0.031 R)
• M68: 30,307,781 km (0.081 R)
• M69: 30,692,846 km (0.11 R)
• M70: 31,079,406 km (0.097 R)
• M71: 31,662,240 km (0.094 R)
• M72: 31,906,234 km (0.107 R)
• M73: 32,150,826 km (0.105 R)

Planet 10 - Gas Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.8

Radius: 13.2

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.97 AU - 10.01 AU

Year: 10321 Days

Day: 7.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 31,226,256 km

• M1: 178,620 km (0.114 R)
• M2: 317,596 km (0.103 R)
• M3: 431,590 km (0.078 R)
• M4: 521,947 km (0.111 R)
• M5: 1,251,386 km (0.098 R)
• M6: 1,536,969 km (0.114 R)
• M7: 1,670,859 km (0.12 R)
• M8: 1,897,051 km (0.097 R)
• M9: 2,004,911 km (0.105 R)
• M10: 2,265,061 km (0.074 R)
• M11: 2,360,654 km (0.043 R)
• M12: 2,536,282 km (0.115 R)
• M13: 2,880,208 km (0.085 R)
• M14: 3,590,498 km (0.091 R)
• M15: 3,954,171 km (0.106 R)
• M16: 4,401,618 km (0.07 R)
• M17: 4,594,899 km (0.094 R)
• M18: 5,040,251 km (0.077 R)
• M19: 5,422,025 km (0.067 R)
• M20: 5,551,427 km (0.082 R)
• M21: 5,866,181 km (0.082 R)
• M22: 6,213,996 km (0.098 R)
• M23: 6,734,298 km (0.05 R)
• M24: 7,070,145 km (0.073 R)
• M25: 7,787,766 km (0.053 R)
• M26: 8,110,897 km (0.047 R)
• M27: 8,259,298 km (0.086 R)
• M28: 8,679,519 km (0.105 R)
• M29: 8,770,474 km (0.061 R)
• M30: 8,892,247 km (0.068 R)
• M31: 9,106,621 km (0.088 R)
• M32: 9,634,701 km (0.031 R)
• M33: 9,855,209 km (0.107 R)
• M34: 10,077,212 km (0.119 R)
• M35: 10,720,782 km (0.097 R)
• M36: 11,179,299 km (0.088 R)
• M37: 11,344,605 km (0.119 R)
• M38: 11,510,659 km (0.055 R)
• M39: 11,946,437 km (0.098 R)
• M40: 12,319,385 km (0.046 R)
• M41: 12,421,710 km (0.073 R)
• M42: 13,076,799 km (0.103 R)
• M43: 13,390,954 km (0.063 R)
• M44: 13,955,836 km (0.1 R)
• M45: 14,062,499 km (0.083 R)
• M46: 14,781,317 km (0.093 R)
• M47: 14,890,224 km (0.081 R)
• M48: 16,217,307 km (0.083 R)
• M49: 16,743,592 km (0.026 R)
• M50: 16,932,983 km (0.1 R)
• M51: 18,083,839 km (0.025 R)
• M52: 18,747,306 km (0.086 R)
• M53: 18,904,533 km (0.085 R)
• M54: 19,141,197 km (0.073 R)
• M55: 19,259,978 km (0.088 R)
• M56: 19,577,724 km (0.094 R)
• M57: 19,897,414 km (0.096 R)
• M58: 20,057,783 km (0.098 R)
• M59: 20,380,017 km (0.11 R)
• M60: 20,663,206 km (0.071 R)
• M61: 20,947,891 km (0.12 R)
• M62: 23,102,549 km (0.065 R)
• M63: 23,313,482 km (0.082 R)
• M64: 23,567,349 km (0.056 R)
• M65: 23,652,321 km (0.109 R)
• M66: 23,950,021 km (0.118 R)
• M67: 24,291,852 km (0.099 R)
• M68: 24,549,310 km (0.092 R)
• M69: 25,023,685 km (0.095 R)
• M70: 25,762,698 km (0.107 R)
• M71: 26,244,702 km (0.114 R)
• M72: 27,039,815 km (0.079 R)
• M73: 27,262,118 km (0.059 R)
• M74: 28,157,461 km (0.076 R)
• M75: 28,518,141 km (0.092 R)
• M76: 28,608,648 km (0.114 R)
• M77: 28,925,945 km (0.073 R)
• M78: 29,198,812 km (0.119 R)
• M79: 29,381,321 km (0.077 R)
• M80: 30,622,535 km (0.097 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 15,386 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit