🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.83

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.67 AU - 0.71 AU

Year: 216 Days

Day: 19.7 Hours

Environment

Temp: 116 °C

Axial Tilt: 26.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.89 AU - 1.19 AU

Year: 400 Days

Day: 34.6 Hours

Environment

Temp: 10 °C

Axial Tilt: 37.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 77,113,210 km

• M1: 730,187 km (0.074 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.04 AU - 1.52 AU

Year: 546 Days

Day: 41.5 Hours

Environment

Temp: -26 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,113,210 km

• M1: 326,871 km (0.094 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.89 AU - 2.89 AU

Year: 1392 Days

Day: 27.2 Hours

Environment

Temp: -95 °C

Axial Tilt: 48.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.2

Radius: 13.3

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 4.32 AU - 6.46 AU

Year: 4714 Days

Day: 6.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 77,113,210 km

• M1: 173,534 km (0.102 R)
• M2: 358,137 km (0.075 R)
• M3: 535,710 km (0.12 R)
• M4: 638,035 km (0.068 R)
• M5: 748,289 km (0.032 R)
• M6: 1,004,849 km (0.074 R)
• M7: 1,569,581 km (0.099 R)
• M8: 1,868,029 km (0.071 R)
• M9: 1,996,384 km (0.117 R)
• M10: 2,419,446 km (0.112 R)
• M11: 2,703,533 km (0.095 R)
• M12: 2,807,653 km (0.116 R)
• M13: 3,063,316 km (0.051 R)
• M14: 3,326,608 km (0.093 R)
• M15: 3,689,383 km (0.119 R)
• M16: 4,209,235 km (0.096 R)
• M17: 4,677,028 km (0.03 R)
• M18: 5,058,203 km (0.047 R)
• M19: 5,161,575 km (0.11 R)
• M20: 5,291,725 km (0.106 R)
• M21: 5,769,691 km (0.1 R)
• M22: 5,959,381 km (0.081 R)
• M23: 6,317,069 km (0.092 R)
• M24: 6,568,992 km (0.085 R)
• M25: 6,881,352 km (0.081 R)
• M26: 7,491,113 km (0.117 R)
• M27: 7,668,686 km (0.112 R)
• M28: 8,392,441 km (0.041 R)
• M29: 9,583,090 km (0.091 R)
• M30: 9,679,431 km (0.087 R)
• M31: 10,726,317 km (0.092 R)
• M32: 10,960,138 km (0.092 R)
• M33: 11,297,033 km (0.062 R)
• M34: 11,912,179 km (0.109 R)
• M35: 12,538,396 km (0.119 R)
• M36: 13,068,272 km (0.099 R)
• M37: 13,210,838 km (0.061 R)
• M38: 13,389,907 km (0.115 R)
• M39: 13,605,627 km (0.115 R)
• M40: 13,750,139 km (0.095 R)
• M41: 14,627,979 km (0.084 R)
• M42: 14,813,181 km (0.075 R)
• M43: 15,111,031 km (0.119 R)
• M44: 15,523,921 km (0.08 R)
• M45: 15,750,711 km (0.105 R)
• M46: 16,940,014 km (0.118 R)
• M47: 17,095,596 km (0.068 R)
• M48: 17,880,536 km (0.112 R)
• M49: 18,476,983 km (0.113 R)
• M50: 19,282,418 km (0.117 R)
• M51: 20,263,929 km (0.112 R)
• M52: 20,677,866 km (0.075 R)
• M53: 21,136,234 km (0.11 R)
• M54: 21,766,789 km (0.064 R)
• M55: 21,978,470 km (0.099 R)
• M56: 22,831,477 km (0.076 R)
• M57: 23,348,637 km (0.115 R)
• M58: 23,478,488 km (0.086 R)
• M59: 23,608,638 km (0.069 R)
• M60: 24,394,326 km (0.099 R)
• M61: 24,526,122 km (0.042 R)
• M62: 24,658,217 km (0.119 R)
• M63: 24,790,462 km (0.062 R)
• M64: 25,011,418 km (0.078 R)
• M65: 25,633,745 km (0.035 R)
• M66: 26,036,462 km (0.055 R)
• M67: 26,712,345 km (0.111 R)
• M68: 26,848,180 km (0.079 R)
• M69: 27,485,168 km (0.096 R)
• M70: 27,989,313 km (0.081 R)
• M71: 28,173,318 km (0.119 R)
• M72: 28,450,224 km (0.09 R)
• M73: 28,960,203 km (0.074 R)
• M74: 29,379,526 km (0.114 R)
• M75: 30,318,851 km (0.098 R)
• M76: 30,697,333 km (0.06 R)
• M77: 30,792,328 km (0.094 R)
• M78: 31,363,493 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.5

Radius: 12.7

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.92 AU - 6.26 AU

Year: 4979 Days

Day: 14.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 77,113,210 km

• M1: 158,723 km (0.117 R)
• M2: 406,607 km (0.101 R)
• M3: 522,994 km (0.095 R)
• M4: 775,216 km (0.118 R)
• M5: 1,008,888 km (0.087 R)
• M6: 1,190,500 km (0.117 R)
• M7: 1,317,957 km (0.076 R)
• M8: 1,436,738 km (0.076 R)
• M9: 1,657,245 km (0.034 R)
• M10: 2,273,140 km (0.114 R)
• M11: 2,921,048 km (0.103 R)
• M12: 3,494,157 km (0.061 R)
• M13: 3,642,858 km (0.108 R)
• M14: 4,160,915 km (0.12 R)
• M15: 4,279,097 km (0.104 R)
• M16: 4,600,284 km (0.06 R)
• M17: 4,743,150 km (0.071 R)
• M18: 4,991,782 km (0.084 R)
• M19: 6,095,664 km (0.06 R)
• M20: 6,849,189 km (0.055 R)
• M21: 7,036,336 km (0.08 R)
• M22: 7,130,583 km (0.045 R)
• M23: 7,367,994 km (0.1 R)
• M24: 8,318,988 km (0.093 R)
• M25: 8,568,966 km (0.088 R)
• M26: 8,999,808 km (0.036 R)
• M27: 9,411,800 km (0.11 R)
• M28: 9,803,747 km (0.079 R)
• M29: 9,962,021 km (0.118 R)
• M30: 10,820,414 km (0.095 R)
• M31: 11,396,815 km (0.109 R)
• M32: 11,479,841 km (0.091 R)
• M33: 11,842,616 km (0.07 R)
• M34: 12,294,103 km (0.113 R)
• M35: 13,830,024 km (0.098 R)
• M36: 14,007,746 km (0.1 R)
• M37: 15,887,892 km (0.102 R)
• M38: 16,198,607 km (0.1 R)
• M39: 16,636,779 km (0.102 R)
• M40: 16,731,325 km (0.116 R)
• M41: 18,104,484 km (0.076 R)
• M42: 18,722,622 km (0.099 R)
• M43: 19,215,697 km (0.099 R)
• M44: 19,613,178 km (0.086 R)
• M45: 19,779,531 km (0.085 R)
• M46: 20,113,883 km (0.109 R)
• M47: 20,686,394 km (0.079 R)
• M48: 21,161,965 km (0.106 R)
• M49: 21,435,281 km (0.09 R)
• M50: 22,854,665 km (0.095 R)
• M51: 22,994,838 km (0.091 R)
• M52: 23,240,628 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531.4

Radius: 6.2

Gravity: 13.82 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 13.62 AU - 17.54 AU

Year: 23167 Days

Day: 24 Hours

Environment

Temp: -200 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 77,113,210 km

• M1: 122,221 km (0.109 R)
• M2: 191,336 km (0.099 R)
• M3: 418,874 km (0.027 R)
• M4: 560,094 km (0.042 R)
• M5: 1,353,711 km (0.036 R)
• M6: 2,157,052 km (0.102 R)
• M7: 4,199,212 km (0.052 R)
• M8: 4,823,634 km (0.078 R)
• M9: 5,007,490 km (0.101 R)
• M10: 5,476,778 km (0.052 R)
• M11: 6,507,657 km (0.066 R)
• M12: 6,864,298 km (0.095 R)
• M13: 8,134,983 km (0.054 R)
• M14: 9,706,658 km (0.087 R)
• M15: 11,429,876 km (0.068 R)
• M16: 11,859,820 km (0.089 R)
• M17: 11,921,604 km (0.061 R)
• M18: 12,232,468 km (0.072 R)
• M19: 12,862,275 km (0.056 R)
• M20: 13,502,405 km (0.104 R)
• M21: 13,891,658 km (0.053 R)
• M22: 14,350,176 km (0.059 R)
• M23: 14,548,393 km (0.088 R)
• M24: 14,614,515 km (0.089 R)
• M25: 14,680,937 km (0.086 R)
• M26: 15,014,091 km (0.049 R)
• M27: 15,080,961 km (0.082 R)
• M28: 17,485,298 km (0.047 R)
• M29: 17,909,408 km (0.114 R)
• M30: 20,375,230 km (0.077 R)
• M31: 21,647,560 km (0.106 R)
• M32: 22,178,932 km (0.11 R)
• M33: 24,189,826 km (0.081 R)
• M34: 24,899,369 km (0.11 R)
• M35: 25,535,758 km (0.114 R)
• M36: 26,905,925 km (0.119 R)
• M37: 28,217,150 km (0.062 R)
• M38: 30,053,913 km (0.117 R)
• M39: 30,307,332 km (0.105 R)
• M40: 30,476,677 km (0.095 R)
• M41: 32,706,732 km (0.119 R)
• M42: 33,841,432 km (0.073 R)
• M43: 34,193,137 km (0.072 R)
• M44: 34,369,512 km (0.035 R)
• M45: 34,900,136 km (0.055 R)
• M46: 34,988,848 km (0.025 R)
• M47: 36,238,887 km (0.031 R)
• M48: 36,598,670 km (0.064 R)
• M49: 36,688,878 km (0.11 R)
• M50: 38,141,024 km (0.045 R)
• M51: 38,232,429 km (0.104 R)
• M52: 38,415,536 km (0.092 R)
• M53: 38,507,090 km (0.098 R)
• M54: 38,966,206 km (0.054 R)
• M55: 39,519,569 km (0.064 R)
• M56: 39,982,724 km (0.108 R)
• M57: 42,514,518 km (0.103 R)
• M58: 43,656,249 km (0.075 R)
• M59: 45,387,695 km (0.085 R)
• M60: 46,652,096 km (0.091 R)
• M61: 46,749,933 km (0.115 R)
• M62: 46,847,770 km (0.033 R)
• M63: 46,945,607 km (0.105 R)
• M64: 48,026,751 km (0.058 R)
• M65: 48,224,220 km (0.103 R)
• M66: 48,619,906 km (0.081 R)
• M67: 48,719,090 km (0.072 R)
• M68: 49,414,720 km (0.069 R)
• M69: 52,737,887 km (0.108 R)
• M70: 54,374,936 km (0.101 R)
• M71: 54,889,852 km (0.057 R)
• M72: 55,406,563 km (0.082 R)
• M73: 56,757,283 km (0.102 R)
• M74: 60,234,386 km (0.12 R)
• M75: 61,408,729 km (0.072 R)
• M76: 63,779,855 km (0.038 R)
• M77: 66,180,901 km (0.034 R)
• M78: 69,056,322 km (0.093 R)
• M79: 71,183,155 km (0.038 R)
• M80: 75,730,780 km (0.058 R)
• M81: 75,960,563 km (0.072 R)
• M82: 76,075,604 km (0.071 R)
• M83: 76,651,406 km (0.055 R)
• M84: 76,766,746 km (0.108 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 11,857 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit