🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.43 AU - 0.67 AU

Year: 268 Days

Day: 29.9 Hours

Environment

Temp: -128 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.52 AU - 0.58 AU

Year: 268 Days

Day: 44.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 47.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 27,820,919 km

• M1: 177,273 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.42 AU - 0.7 AU

Year: 275 Days

Day: 15.4 Hours

Environment

Temp: -116 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.4

Radius: 11.7

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.64 AU - 1.04 AU

Year: 505 Days

Day: 5.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,820,919 km

• M1: 146,905 km (0.076 R)
• M2: 226,790 km (0.063 R)
• M3: 326,871 km (0.059 R)
• M4: 415,732 km (0.109 R)
• M5: 517,459 km (0.096 R)
• M6: 652,995 km (0.108 R)
• M7: 735,423 km (0.101 R)
• M8: 825,780 km (0.109 R)
• M9: 928,853 km (0.111 R)
• M10: 1,012,628 km (0.118 R)
• M11: 1,188,256 km (0.103 R)
• M12: 1,369,569 km (0.093 R)
• M13: 1,481,318 km (0.115 R)
• M14: 1,619,696 km (0.109 R)
• M15: 1,709,156 km (0.027 R)
• M16: 1,792,182 km (0.091 R)
• M17: 1,882,240 km (0.106 R)
• M18: 1,982,172 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.7

Radius: 10.1

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.79 AU - 0.99 AU

Year: 551 Days

Day: 13.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 27,820,919 km

• M1: 125,812 km (0.105 R)
• M2: 192,532 km (0.085 R)
• M3: 264,938 km (0.069 R)
• M4: 359,783 km (0.118 R)
• M5: 447,298 km (0.089 R)
• M6: 527,632 km (0.051 R)
• M7: 656,735 km (0.078 R)
• M8: 783,294 km (0.088 R)
• M9: 878,887 km (0.084 R)
• M10: 1,051,224 km (0.087 R)
• M11: 1,163,423 km (0.115 R)
• M12: 1,268,590 km (0.086 R)
• M13: 1,348,176 km (0.035 R)
• M14: 1,530,536 km (0.104 R)
• M15: 1,615,657 km (0.034 R)
• M16: 1,696,290 km (0.088 R)
• M17: 1,759,121 km (0.095 R)
• M18: 1,900,342 km (0.058 R)
• M19: 2,167,075 km (0.108 R)
• M20: 2,311,885 km (0.104 R)
• M21: 2,460,137 km (0.106 R)
• M22: 2,604,200 km (0.113 R)
• M23: 2,743,625 km (0.118 R)
• M24: 3,107,297 km (0.088 R)
• M25: 3,208,426 km (0.096 R)
• M26: 3,310,750 km (0.104 R)
• M27: 3,414,123 km (0.031 R)
• M28: 3,502,385 km (0.114 R)
• M29: 3,591,546 km (0.084 R)
• M30: 3,656,770 km (0.04 R)
• M31: 3,846,760 km (0.12 R)
• M32: 3,913,630 km (0.116 R)
• M33: 4,048,418 km (0.05 R)
• M34: 4,133,539 km (0.101 R)
• M35: 4,227,935 km (0.12 R)
• M36: 4,638,880 km (0.105 R)
• M37: 4,728,041 km (0.033 R)
• M38: 4,880,930 km (0.103 R)
• M39: 4,971,586 km (0.073 R)
• M40: 5,136,293 km (0.07 R)
• M41: 5,284,246 km (0.111 R)
• M42: 5,377,445 km (0.097 R)
• M43: 5,442,969 km (0.085 R)
• M44: 5,584,339 km (0.109 R)
• M45: 5,660,185 km (0.093 R)
• M46: 5,841,946 km (0.08 R)
• M47: 5,996,331 km (0.039 R)
• M48: 6,319,313 km (0.104 R)
• M49: 6,507,807 km (0.103 R)
• M50: 6,577,818 km (0.058 R)
• M51: 6,668,026 km (0.038 R)
• M52: 6,738,636 km (0.097 R)
• M53: 6,839,764 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.9

Radius: 8.1

Gravity: 15.18 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.31 AU - 1.79 AU

Year: 1266 Days

Day: 10.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 27,820,919 km

• M1: 114,293 km (0.048 R)
• M2: 171,290 km (0.076 R)
• M3: 239,207 km (0.075 R)
• M4: 425,756 km (0.069 R)
• M5: 492,327 km (0.118 R)
• M6: 549,922 km (0.106 R)
• M7: 637,586 km (0.083 R)
• M8: 782,247 km (0.096 R)
• M9: 843,283 km (0.089 R)
• M10: 1,003,353 km (0.069 R)
• M11: 1,436,588 km (0.075 R)
• M12: 1,541,456 km (0.07 R)
• M13: 1,658,741 km (0.079 R)
• M14: 1,789,191 km (0.096 R)
• M15: 1,965,118 km (0.114 R)
• M16: 2,146,580 km (0.071 R)
• M17: 2,300,366 km (0.109 R)
• M18: 2,378,606 km (0.113 R)
• M19: 2,653,567 km (0.047 R)
• M20: 2,747,514 km (0.117 R)
• M21: 2,842,509 km (0.025 R)
• M22: 3,159,208 km (0.118 R)
• M23: 3,448,829 km (0.116 R)
• M24: 3,538,588 km (0.034 R)
• M25: 3,668,439 km (0.111 R)
• M26: 3,839,429 km (0.12 R)
• M27: 4,162,112 km (0.056 R)
• M28: 4,216,715 km (0.071 R)
• M29: 4,326,670 km (0.108 R)
• M30: 4,395,933 km (0.081 R)
• M31: 4,577,695 km (0.066 R)
• M32: 4,634,093 km (0.048 R)
• M33: 4,804,784 km (0.062 R)
• M34: 5,035,614 km (0.106 R)
• M35: 5,344,234 km (0.112 R)
• M36: 5,403,625 km (0.051 R)
• M37: 5,674,098 km (0.054 R)
• M38: 5,933,500 km (0.082 R)
• M39: 6,010,543 km (0.107 R)
• M40: 6,196,793 km (0.114 R)
• M41: 6,400,844 km (0.101 R)
• M42: 6,591,133 km (0.078 R)
• M43: 6,654,861 km (0.1 R)
• M44: 6,896,163 km (0.104 R)
• M45: 7,173,068 km (0.079 R)
• M46: 7,238,742 km (0.096 R)
• M47: 7,553,496 km (0.112 R)
• M48: 7,653,876 km (0.114 R)
• M49: 7,957,560 km (0.095 R)
• M50: 8,042,531 km (0.066 R)
• M51: 8,110,897 km (0.077 R)
• M52: 8,351,301 km (0.109 R)
• M53: 8,437,769 km (0.054 R)
• M54: 8,611,601 km (0.097 R)
• M55: 8,733,972 km (0.091 R)
• M56: 8,856,942 km (0.099 R)
• M57: 9,086,724 km (0.108 R)
• M58: 10,544,256 km (0.08 R)
• M59: 11,052,440 km (0.071 R)
• M60: 11,185,582 km (0.072 R)
• M61: 11,300,025 km (0.116 R)
• M62: 11,414,916 km (0.08 R)
• M63: 11,723,088 km (0.073 R)
• M64: 11,917,116 km (0.099 R)
• M65: 12,131,789 km (0.091 R)
• M66: 12,465,991 km (0.1 R)
• M67: 12,564,875 km (0.063 R)
• M68: 12,863,173 km (0.068 R)
• M69: 12,943,058 km (0.119 R)
• M70: 13,063,335 km (0.083 R)
• M71: 13,284,590 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.7

Radius: 13.7

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.06 AU - 4.52 AU

Year: 4840 Days

Day: 12.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 27,820,919 km

• M1: 190,139 km (0.117 R)
• M2: 343,776 km (0.1 R)
• M3: 488,886 km (0.065 R)
• M4: 682,465 km (0.094 R)
• M5: 772,673 km (0.106 R)
• M6: 879,935 km (0.113 R)
• M7: 1,071,121 km (0.082 R)
• M8: 1,334,114 km (0.107 R)
• M9: 1,481,468 km (0.038 R)
• M10: 1,712,896 km (0.04 R)
• M11: 1,989,951 km (0.065 R)
• M12: 2,160,044 km (0.115 R)
• M13: 2,264,463 km (0.053 R)
• M14: 2,424,233 km (0.08 R)
• M15: 3,062,568 km (0.099 R)
• M16: 3,200,497 km (0.085 R)
• M17: 3,815,045 km (0.117 R)
• M18: 3,942,353 km (0.116 R)
• M19: 4,289,121 km (0.105 R)
• M20: 4,488,535 km (0.097 R)
• M21: 4,578,144 km (0.082 R)
• M22: 4,691,090 km (0.071 R)
• M23: 5,128,813 km (0.031 R)
• M24: 5,246,248 km (0.111 R)
• M25: 5,628,021 km (0.109 R)
• M26: 5,822,349 km (0.047 R)
• M27: 5,994,237 km (0.111 R)
• M28: 6,117,955 km (0.075 R)
• M29: 6,393,514 km (0.034 R)
• M30: 6,494,642 km (0.032 R)
• M31: 6,878,959 km (0.06 R)
• M32: 7,323,414 km (0.09 R)
• M33: 7,455,958 km (0.082 R)
• M34: 7,589,399 km (0.112 R)
• M35: 7,777,444 km (0.087 R)
• M36: 9,250,983 km (0.112 R)
• M37: 9,337,002 km (0.117 R)
• M38: 9,423,170 km (0.104 R)
• M39: 9,509,787 km (0.069 R)
• M40: 9,654,448 km (0.055 R)
• M41: 9,916,992 km (0.067 R)
• M42: 10,063,898 km (0.108 R)
• M43: 10,211,401 km (0.1 R)
• M44: 10,478,882 km (0.118 R)
• M45: 10,748,757 km (0.074 R)
• M46: 10,899,701 km (0.077 R)
• M47: 11,295,387 km (0.106 R)
• M48: 11,664,744 km (0.074 R)
• M49: 12,510,571 km (0.107 R)
• M50: 13,311,368 km (0.109 R)
• M51: 13,603,832 km (0.103 R)
• M52: 14,227,954 km (0.105 R)
• M53: 14,327,437 km (0.03 R)
• M54: 14,861,651 km (0.104 R)
• M55: 15,470,514 km (0.107 R)
• M56: 15,709,422 km (0.068 R)
• M57: 16,018,491 km (0.102 R)
• M58: 16,260,241 km (0.07 R)
• M59: 17,133,594 km (0.097 R)
• M60: 17,380,879 km (0.094 R)
• M61: 17,843,286 km (0.101 R)
• M62: 18,201,872 km (0.086 R)
• M63: 18,490,297 km (0.087 R)
• M64: 18,816,719 km (0.085 R)
• M65: 19,218,240 km (0.111 R)
• M66: 19,881,407 km (0.1 R)
• M67: 20,253,009 km (0.049 R)
• M68: 20,965,543 km (0.069 R)
• M69: 21,154,336 km (0.055 R)
• M70: 21,381,724 km (0.082 R)
• M71: 22,261,061 km (0.113 R)
• M72: 23,074,125 km (0.097 R)
• M73: 23,308,246 km (0.111 R)
• M74: 24,331,794 km (0.086 R)
• M75: 24,889,047 km (0.11 R)
• M76: 25,450,487 km (0.086 R)
• M77: 25,692,537 km (0.058 R)
• M78: 27,531,095 km (0.111 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 17,441 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit