🌌 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: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.53 AU - 0.87 AU

Year: 213 Days

Day: 45.1 Hours

Environment

Temp: 205 °C

Axial Tilt: 29.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.62 AU - 0.98 AU

Year: 260 Days

Day: 44.7 Hours

Environment

Temp: 145 °C

Axial Tilt: 9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.1 AU - 1.18 AU

Year: 442 Days

Day: 47.5 Hours

Environment

Temp: 6 °C

Axial Tilt: 37.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.51 AU - 1.53 AU

Year: 681 Days

Day: 28.9 Hours

Environment

Temp: -25 °C

Axial Tilt: 21 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 53,959,787 km

• M1: 578,345 km (0.06 R)
• M2: 912,397 km (0.117 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.31 AU - 1.75 AU

Year: 688 Days

Day: 14.9 Hours

Environment

Temp: -30 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.48 AU - 1.66 AU

Year: 715 Days

Day: 44.1 Hours

Environment

Temp: -46 °C

Axial Tilt: 0.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.7

Radius: 13

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.35 AU - 8.67 AU

Year: 8239 Days

Day: 8.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 53,959,787 km

• M1: 257,308 km (0.086 R)
• M2: 419,622 km (0.105 R)
• M3: 891,155 km (0.094 R)
• M4: 1,291,628 km (0.102 R)
• M5: 1,567,187 km (0.089 R)
• M6: 1,723,667 km (0.086 R)
• M7: 1,815,520 km (0.11 R)
• M8: 2,175,303 km (0.115 R)
• M9: 2,743,775 km (0.05 R)
• M10: 2,934,362 km (0.11 R)
• M11: 3,561,776 km (0.055 R)
• M12: 4,419,869 km (0.101 R)
• M13: 4,515,462 km (0.112 R)
• M14: 4,741,505 km (0.061 R)
• M15: 4,872,403 km (0.09 R)
• M16: 5,441,922 km (0.091 R)
• M17: 5,682,774 km (0.103 R)
• M18: 5,891,912 km (0.078 R)
• M19: 6,426,126 km (0.116 R)
• M20: 7,313,242 km (0.064 R)
• M21: 7,579,376 km (0.085 R)
• M22: 8,238,654 km (0.086 R)
• M23: 8,795,607 km (0.083 R)
• M24: 9,488,245 km (0.081 R)
• M25: 10,156,349 km (0.045 R)
• M26: 10,283,358 km (0.101 R)
• M27: 10,410,815 km (0.041 R)
• M28: 11,099,713 km (0.091 R)
• M29: 12,931,689 km (0.082 R)
• M30: 13,115,395 km (0.071 R)
• M31: 13,718,574 km (0.041 R)
• M32: 14,188,760 km (0.108 R)
• M33: 14,425,723 km (0.036 R)
• M34: 14,712,053 km (0.117 R)
• M35: 14,952,008 km (0.109 R)
• M36: 15,193,309 km (0.08 R)
• M37: 15,630,883 km (0.075 R)
• M38: 16,568,114 km (0.07 R)
• M39: 17,220,061 km (0.083 R)
• M40: 18,600,700 km (0.057 R)
• M41: 18,860,252 km (0.03 R)
• M42: 19,593,432 km (0.047 R)
• M43: 20,282,779 km (0.109 R)
• M44: 21,412,841 km (0.106 R)
• M45: 21,848,769 km (0.041 R)
• M46: 22,122,683 km (0.085 R)
• M47: 22,618,600 km (0.117 R)
• M48: 23,341,606 km (0.057 R)
• M49: 23,734,001 km (0.105 R)
• M50: 24,185,039 km (0.097 R)
• M51: 24,525,374 km (0.09 R)
• M52: 25,325,274 km (0.081 R)
• M53: 25,728,590 km (0.109 R)
• M54: 25,844,229 km (0.068 R)
• M55: 26,075,956 km (0.067 R)
• M56: 27,244,914 km (0.053 R)
• M57: 29,090,353 km (0.087 R)
• M58: 29,210,779 km (0.061 R)
• M59: 30,976,034 km (0.07 R)
• M60: 31,778,477 km (0.109 R)
• M61: 32,213,358 km (0.099 R)
• M62: 32,587,802 km (0.072 R)
• M63: 33,089,254 km (0.098 R)
• M64: 33,846,219 km (0.079 R)
• M65: 35,827,942 km (0.117 R)
• M66: 36,410,327 km (0.09 R)
• M67: 37,847,065 km (0.082 R)
• M68: 39,302,353 km (0.085 R)
• M69: 39,435,644 km (0.066 R)
• M70: 39,568,936 km (0.1 R)
• M71: 39,769,248 km (0.03 R)
• M72: 40,103,898 km (0.066 R)
• M73: 40,843,360 km (0.112 R)
• M74: 42,882,828 km (0.036 R)
• M75: 43,845,939 km (0.113 R)
• M76: 44,053,282 km (0.101 R)
• M77: 44,677,105 km (0.095 R)
• M78: 45,164,345 km (0.041 R)
• M79: 46,425,455 km (0.119 R)
• M80: 46,566,227 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.8

Radius: 14.1

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 8.64 AU - 11.66 AU

Year: 11752 Days

Day: 12.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 53,959,787 km

• M1: 194,477 km (0.098 R)
• M2: 297,101 km (0.112 R)
• M3: 632,799 km (0.081 R)
• M4: 769,083 km (0.118 R)
• M5: 958,623 km (0.089 R)
• M6: 1,764,058 km (0.076 R)
• M7: 2,593,728 km (0.117 R)
• M8: 3,193,316 km (0.079 R)
• M9: 3,417,863 km (0.056 R)
• M10: 4,002,341 km (0.085 R)
• M11: 4,147,451 km (0.047 R)
• M12: 4,269,673 km (0.115 R)
• M13: 4,643,518 km (0.078 R)
• M14: 5,584,339 km (0.11 R)
• M15: 5,774,179 km (0.108 R)
• M16: 6,048,990 km (0.083 R)
• M17: 6,243,916 km (0.038 R)
• M18: 7,757,248 km (0.086 R)
• M19: 7,847,904 km (0.119 R)
• M20: 8,900,325 km (0.089 R)
• M21: 10,628,330 km (0.083 R)
• M22: 11,341,314 km (0.073 R)
• M23: 11,513,351 km (0.054 R)
• M24: 12,210,178 km (0.034 R)
• M25: 12,777,603 km (0.056 R)
• M26: 13,100,585 km (0.05 R)
• M27: 13,208,894 km (0.1 R)
• M28: 13,317,352 km (0.089 R)
• M29: 13,608,320 km (0.081 R)
• M30: 14,233,639 km (0.045 R)
• M31: 14,419,440 km (0.12 R)
• M32: 14,680,787 km (0.101 R)
• M33: 15,132,423 km (0.109 R)
• M34: 16,242,888 km (0.12 R)
• M35: 16,475,961 km (0.091 R)
• M36: 16,631,992 km (0.059 R)
• M37: 16,866,861 km (0.066 R)
• M38: 17,657,934 km (0.09 R)
• M39: 18,622,990 km (0.088 R)
• M40: 19,812,144 km (0.093 R)
• M41: 20,562,527 km (0.077 R)
• M42: 21,577,548 km (0.049 R)
• M43: 23,612,229 km (0.094 R)
• M44: 23,744,174 km (0.038 R)
• M45: 24,230,218 km (0.063 R)
• M46: 26,115,749 km (0.057 R)
• M47: 26,297,810 km (0.118 R)
• M48: 26,571,574 km (0.098 R)
• M49: 27,398,850 km (0.084 R)
• M50: 28,048,105 km (0.098 R)
• M51: 28,890,341 km (0.086 R)
• M52: 29,125,808 km (0.081 R)
• M53: 29,409,146 km (0.075 R)
• M54: 29,645,960 km (0.043 R)
• M55: 31,080,304 km (0.067 R)
• M56: 31,369,925 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329.1

Radius: 5.6

Gravity: 10.49 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 12.39 AU - 13.81 AU

Year: 17232 Days

Day: 18.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 53,959,787 km

• M1: 94,695 km (0.119 R)
• M2: 210,783 km (0.114 R)
• M3: 335,847 km (0.119 R)
• M4: 1,851,124 km (0.1 R)
• M5: 2,062,655 km (0.115 R)
• M6: 2,281,816 km (0.064 R)
• M7: 3,326,458 km (0.066 R)
• M8: 3,616,080 km (0.117 R)
• M9: 3,846,909 km (0.097 R)
• M10: 4,014,758 km (0.104 R)
• M11: 4,185,150 km (0.037 R)
• M12: 4,532,815 km (0.094 R)
• M13: 4,817,650 km (0.078 R)
• M14: 5,744,708 km (0.115 R)
• M15: 6,130,670 km (0.052 R)
• M16: 7,296,636 km (0.078 R)
• M17: 7,421,251 km (0.096 R)
• M18: 7,756,650 km (0.09 R)
• M19: 8,442,107 km (0.068 R)
• M20: 9,371,110 km (0.073 R)
• M21: 9,551,674 km (0.088 R)
• M22: 9,597,003 km (0.068 R)
• M23: 9,824,840 km (0.095 R)
• M24: 10,332,127 km (0.073 R)
• M25: 10,612,473 km (0.085 R)
• M26: 10,942,635 km (0.034 R)
• M27: 11,807,012 km (0.093 R)
• M28: 12,693,230 km (0.106 R)
• M29: 13,295,960 km (0.08 R)
• M30: 13,346,524 km (0.116 R)
• M31: 13,448,101 km (0.117 R)
• M32: 13,907,964 km (0.115 R)
• M33: 14,269,094 km (0.071 R)
• M34: 14,895,460 km (0.105 R)
• M35: 15,106,243 km (0.076 R)
• M36: 15,371,181 km (0.11 R)
• M37: 15,798,134 km (0.074 R)
• M38: 16,013,106 km (0.103 R)
• M39: 16,174,971 km (0.076 R)
• M40: 16,446,042 km (0.069 R)
• M41: 16,500,346 km (0.111 R)
• M42: 16,554,800 km (0.06 R)
• M43: 16,937,471 km (0.093 R)
• M44: 17,267,933 km (0.11 R)
• M45: 17,600,489 km (0.081 R)
• M46: 18,837,663 km (0.088 R)
• M47: 19,812,742 km (0.092 R)
• M48: 20,335,587 km (0.051 R)
• M49: 21,217,017 km (0.088 R)
• M50: 21,632,600 km (0.066 R)
• M51: 22,230,992 km (0.069 R)
• M52: 22,351,418 km (0.099 R)
• M53: 22,834,918 km (0.117 R)
• M54: 23,505,266 km (0.083 R)
• M55: 25,178,219 km (0.115 R)
• M56: 25,366,413 km (0.101 R)
• M57: 25,492,076 km (0.116 R)
• M58: 25,997,268 km (0.114 R)
• M59: 26,441,872 km (0.093 R)
• M60: 26,505,601 km (0.09 R)
• M61: 29,955,478 km (0.079 R)
• M62: 30,555,215 km (0.097 R)
• M63: 30,822,996 km (0.089 R)
• M64: 30,957,185 km (0.071 R)
• M65: 31,360,950 km (0.034 R)
• M66: 32,241,632 km (0.085 R)
• M67: 32,514,349 km (0.105 R)
• M68: 34,096,795 km (0.079 R)
• M69: 34,305,036 km (0.113 R)
• M70: 35,845,146 km (0.059 R)
• M71: 35,986,366 km (0.114 R)
• M72: 36,340,016 km (0.069 R)
• M73: 36,552,744 km (0.045 R)
• M74: 36,765,771 km (0.119 R)
• M75: 36,979,397 km (0.099 R)
• M76: 37,121,964 km (0.077 R)
• M77: 38,125,317 km (0.07 R)
• M78: 39,719,880 km (0.04 R)
• M79: 39,865,888 km (0.063 R)
• M80: 40,745,972 km (0.106 R)
• M81: 42,301,192 km (0.1 R)
• M82: 43,725,214 km (0.094 R)
• M83: 44,632,525 km (0.053 R)
• M84: 45,088,499 km (0.12 R)
• M85: 45,699,008 km (0.104 R)
• M86: 45,775,452 km (0.116 R)
• M87: 47,624,033 km (0.097 R)
• M88: 48,557,524 km (0.114 R)
• M89: 48,713,704 km (0.073 R)
• M90: 49,183,142 km (0.103 R)
• M91: 50,679,719 km (0.119 R)
• M92: 52,111,371 km (0.094 R)
• M93: 52,751,800 km (0.056 R)

Kuiper Belt

Range: 30.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 464 - 11,402 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit