🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.51 AU - 0.57 AU

Year: 148 Days

Day: 38.2 Hours

Environment

Temp: 168 °C

Axial Tilt: 35.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.59 AU - 0.73 AU

Year: 200 Days

Day: 32.6 Hours

Environment

Temp: 126 °C

Axial Tilt: 13.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 37,426,634 km

• M1: 276,457 km (0.04 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.08 AU - 1.16 AU

Year: 442 Days

Day: 12.1 Hours

Environment

Temp: 12 °C

Axial Tilt: 41 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 37,426,634 km

• M1: 64,477 km (0.076 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.28 AU - 1.38 AU

Year: 572 Days

Day: 20.8 Hours

Environment

Temp: -20 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,426,634 km

• M1: 358,137 km (0.101 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.46 AU - 2.68 AU

Year: 1536 Days

Day: 17.8 Hours

Environment

Temp: -91 °C

Axial Tilt: 28.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.9

Radius: 9.8

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 5.37 AU - 5.61 AU

Year: 4795 Days

Day: 12.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 37,426,634 km

• M1: 154,235 km (0.104 R)
• M2: 246,088 km (0.084 R)
• M3: 313,108 km (0.078 R)
• M4: 502,798 km (0.072 R)
• M5: 755,170 km (0.058 R)
• M6: 877,541 km (0.051 R)
• M7: 993,779 km (0.099 R)
• M8: 1,256,473 km (0.077 R)
• M9: 1,388,717 km (0.099 R)
• M10: 1,731,745 km (0.08 R)
• M11: 1,846,487 km (0.035 R)
• M12: 2,241,574 km (0.103 R)
• M13: 2,458,192 km (0.085 R)
• M14: 2,550,644 km (0.102 R)
• M15: 2,873,326 km (0.098 R)
• M16: 3,189,127 km (0.095 R)
• M17: 3,704,791 km (0.098 R)
• M18: 3,897,025 km (0.081 R)
• M19: 3,961,800 km (0.103 R)
• M20: 4,092,399 km (0.096 R)
• M21: 4,515,612 km (0.089 R)
• M22: 4,697,972 km (0.099 R)
• M23: 5,093,807 km (0.081 R)
• M24: 5,573,119 km (0.104 R)
• M25: 5,917,493 km (0.098 R)
• M26: 6,067,091 km (0.118 R)
• M27: 6,218,035 km (0.105 R)
• M28: 6,395,758 km (0.07 R)
• M29: 6,652,468 km (0.052 R)
• M30: 6,756,139 km (0.062 R)
• M31: 6,886,439 km (0.113 R)
• M32: 7,442,943 km (0.119 R)
• M33: 7,523,726 km (0.076 R)
• M34: 7,713,117 km (0.117 R)
• M35: 7,904,153 km (0.046 R)
• M36: 8,290,864 km (0.117 R)
• M37: 8,571,060 km (0.112 R)
• M38: 9,400,730 km (0.094 R)
• M39: 9,575,610 km (0.097 R)
• M40: 9,958,281 km (0.05 R)
• M41: 10,466,166 km (0.073 R)
• M42: 10,952,060 km (0.094 R)
• M43: 11,166,883 km (0.071 R)
• M44: 11,569,600 km (0.108 R)
• M45: 11,882,708 km (0.073 R)
• M46: 11,945,689 km (0.034 R)
• M47: 12,071,800 km (0.118 R)
• M48: 12,325,668 km (0.1 R)
• M49: 12,485,139 km (0.11 R)
• M50: 12,581,181 km (0.071 R)
• M51: 13,032,667 km (0.032 R)
• M52: 13,260,505 km (0.108 R)
• M53: 13,391,104 km (0.104 R)
• M54: 13,621,036 km (0.073 R)
• M55: 13,818,954 km (0.062 R)
• M56: 13,885,226 km (0.071 R)
• M57: 14,117,850 km (0.056 R)
• M58: 14,654,458 km (0.11 R)
• M59: 15,129,431 km (0.061 R)
• M60: 15,782,127 km (0.094 R)
• M61: 16,795,951 km (0.112 R)
• M62: 17,257,311 km (0.047 R)
• M63: 17,650,903 km (0.083 R)
• M64: 17,758,763 km (0.086 R)
• M65: 18,011,434 km (0.066 R)
• M66: 18,410,711 km (0.114 R)
• M67: 19,588,794 km (0.117 R)
• M68: 19,887,092 km (0.075 R)
• M69: 20,149,337 km (0.077 R)
• M70: 20,715,266 km (0.057 R)
• M71: 20,981,251 km (0.099 R)
• M72: 21,057,396 km (0.082 R)
• M73: 21,477,916 km (0.114 R)
• M74: 21,708,596 km (0.063 R)
• M75: 21,940,024 km (0.056 R)
• M76: 22,249,841 km (0.115 R)
• M77: 22,327,482 km (0.087 R)
• M78: 24,019,584 km (0.09 R)
• M79: 25,386,459 km (0.102 R)
• M80: 25,834,056 km (0.096 R)
• M81: 26,572,322 km (0.052 R)
• M82: 27,026,800 km (0.111 R)
• M83: 27,734,248 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.1

Radius: 11.6

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 9.91 AU - 13.55 AU

Year: 14976 Days

Day: 11.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 37,426,634 km

• M1: 156,779 km (0.099 R)
• M2: 305,628 km (0.119 R)
• M3: 496,067 km (0.113 R)
• M4: 664,215 km (0.118 R)
• M5: 1,159,832 km (0.05 R)
• M6: 1,778,569 km (0.059 R)
• M7: 2,047,247 km (0.115 R)
• M8: 2,122,943 km (0.116 R)
• M9: 2,734,200 km (0.07 R)
• M10: 3,278,886 km (0.109 R)
• M11: 3,888,497 km (0.093 R)
• M12: 4,401,618 km (0.1 R)
• M13: 4,699,767 km (0.096 R)
• M14: 4,834,405 km (0.052 R)
• M15: 6,213,548 km (0.061 R)
• M16: 6,436,000 km (0.082 R)
• M17: 6,774,689 km (0.119 R)
• M18: 7,196,555 km (0.114 R)
• M19: 7,391,182 km (0.117 R)
• M20: 7,587,604 km (0.073 R)
• M21: 7,706,235 km (0.092 R)
• M22: 7,865,407 km (0.082 R)
• M23: 8,554,305 km (0.072 R)
• M24: 9,773,528 km (0.1 R)
• M25: 9,902,781 km (0.031 R)
• M26: 10,119,548 km (0.09 R)
• M27: 11,046,756 km (0.117 R)
• M28: 11,543,271 km (0.106 R)
• M29: 12,093,342 km (0.098 R)
• M30: 12,464,794 km (0.115 R)
• M31: 12,887,258 km (0.076 R)
• M32: 13,601,738 km (0.031 R)
• M33: 14,426,919 km (0.043 R)
• M34: 14,623,491 km (0.117 R)
• M35: 15,418,604 km (0.098 R)
• M36: 15,569,249 km (0.036 R)
• M37: 15,821,471 km (0.117 R)
• M38: 16,024,176 km (0.116 R)
• M39: 17,939,926 km (0.097 R)
• M40: 18,897,801 km (0.096 R)
• M41: 19,059,068 km (0.104 R)
• M42: 19,491,406 km (0.109 R)
• M43: 19,817,828 km (0.071 R)
• M44: 20,146,046 km (0.046 R)
• M45: 21,030,020 km (0.047 R)
• M46: 21,588,918 km (0.109 R)
• M47: 23,989,365 km (0.052 R)
• M48: 24,222,438 km (0.119 R)
• M49: 25,993,827 km (0.074 R)
• M50: 26,955,741 km (0.104 R)
• M51: 27,197,940 km (0.096 R)
• M52: 27,562,660 km (0.087 R)
• M53: 27,867,989 km (0.101 R)
• M54: 29,660,171 km (0.098 R)
• M55: 30,161,175 km (0.045 R)
• M56: 31,171,559 km (0.097 R)
• M57: 31,362,146 km (0.111 R)
• M58: 31,872,574 km (0.119 R)
• M59: 32,128,835 km (0.114 R)
• M60: 34,203,010 km (0.095 R)
• M61: 34,399,731 km (0.095 R)
• M62: 34,728,398 km (0.102 R)
• M63: 34,991,989 km (0.053 R)
• M64: 36,588,049 km (0.106 R)
• M65: 38,479,714 km (0.092 R)
• M66: 38,752,580 km (0.112 R)
• M67: 39,850,479 km (0.059 R)
• M68: 40,264,716 km (0.073 R)
• M69: 40,611,184 km (0.1 R)
• M70: 41,167,389 km (0.104 R)
• M71: 42,146,807 km (0.031 R)
• M72: 42,780,653 km (0.09 R)
• M73: 42,992,483 km (0.05 R)
• M74: 43,630,518 km (0.088 R)
• M75: 43,986,262 km (0.096 R)
• M76: 44,200,187 km (0.073 R)
• M77: 44,485,919 km (0.081 R)
• M78: 44,629,084 km (0.058 R)
• M79: 44,987,520 km (0.042 R)
• M80: 45,779,492 km (0.077 R)
• M81: 46,576,100 km (0.108 R)
• M82: 47,231,189 km (0.062 R)
• M83: 47,450,201 km (0.105 R)
• M84: 47,596,507 km (0.055 R)
• M85: 48,036,026 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131.8

Radius: 5.6

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 11.24 AU - 13 AU

Year: 15729 Days

Day: 24.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 37,426,634 km

• M1: 73,004 km (0.066 R)
• M2: 191,485 km (0.07 R)
• M3: 244,742 km (0.106 R)
• M4: 293,661 km (0.098 R)
• M5: 346,319 km (0.113 R)
• M6: 688,749 km (0.091 R)
• M7: 837,000 km (0.067 R)
• M8: 1,078,301 km (0.12 R)
• M9: 1,395,599 km (0.084 R)
• M10: 1,583,942 km (0.053 R)
• M11: 1,861,147 km (0.068 R)
• M12: 1,943,276 km (0.114 R)
• M13: 2,026,453 km (0.069 R)
• M14: 2,528,054 km (0.049 R)
• M15: 2,642,048 km (0.1 R)
• M16: 3,664,699 km (0.047 R)
• M17: 3,767,922 km (0.043 R)
• M18: 3,819,832 km (0.085 R)
• M19: 3,950,730 km (0.043 R)
• M20: 4,461,906 km (0.112 R)
• M21: 4,965,153 km (0.098 R)
• M22: 5,108,169 km (0.109 R)
• M23: 5,339,896 km (0.062 R)
• M24: 5,693,695 km (0.11 R)
• M25: 5,843,442 km (0.07 R)
• M26: 5,994,387 km (0.072 R)
• M27: 6,486,264 km (0.118 R)
• M28: 7,573,991 km (0.072 R)
• M29: 7,672,725 km (0.09 R)
• M30: 7,904,602 km (0.078 R)
• M31: 8,477,263 km (0.096 R)
• M32: 8,613,995 km (0.08 R)
• M33: 8,889,554 km (0.111 R)
• M34: 8,993,674 km (0.095 R)
• M35: 9,308,428 km (0.099 R)
• M36: 10,383,439 km (0.115 R)
• M37: 11,084,454 km (0.115 R)
• M38: 11,421,797 km (0.047 R)
• M39: 11,610,740 km (0.082 R)
• M40: 11,648,588 km (0.094 R)
• M41: 12,222,146 km (0.084 R)
• M42: 12,415,277 km (0.109 R)
• M43: 13,595,604 km (0.11 R)
• M44: 13,876,100 km (0.056 R)
• M45: 14,118,149 km (0.117 R)
• M46: 14,565,297 km (0.111 R)
• M47: 14,975,944 km (0.082 R)
• M48: 15,348,742 km (0.083 R)
• M49: 15,766,568 km (0.087 R)
• M50: 16,485,536 km (0.053 R)
• M51: 16,913,386 km (0.058 R)
• M52: 17,085,573 km (0.1 R)
• M53: 17,214,975 km (0.034 R)
• M54: 17,605,575 km (0.091 R)
• M55: 17,955,036 km (0.09 R)
• M56: 19,872,731 km (0.117 R)
• M57: 19,918,208 km (0.098 R)
• M58: 19,963,537 km (0.103 R)
• M59: 20,236,702 km (0.067 R)
• M60: 20,786,624 km (0.09 R)
• M61: 21,248,732 km (0.089 R)
• M62: 21,760,955 km (0.052 R)
• M63: 22,042,049 km (0.052 R)
• M64: 22,182,971 km (0.098 R)
• M65: 22,702,674 km (0.106 R)
• M66: 23,465,473 km (0.093 R)
• M67: 23,705,578 km (0.099 R)
• M68: 23,898,260 km (0.05 R)
• M69: 24,139,860 km (0.118 R)
• M70: 24,820,680 km (0.053 R)
• M71: 25,065,273 km (0.069 R)
• M72: 25,409,198 km (0.12 R)
• M73: 26,300,502 km (0.11 R)
• M74: 26,400,135 km (0.076 R)
• M75: 26,549,882 km (0.063 R)
• M76: 26,900,390 km (0.056 R)
• M77: 28,113,778 km (0.108 R)
• M78: 30,750,740 km (0.11 R)
• M79: 31,329,833 km (0.037 R)
• M80: 31,859,410 km (0.105 R)
• M81: 31,965,624 km (0.094 R)
• M82: 32,071,988 km (0.116 R)
• M83: 32,980,945 km (0.098 R)
• M84: 33,898,429 km (0.109 R)
• M85: 34,224,103 km (0.065 R)
• M86: 34,278,557 km (0.084 R)
• M87: 34,441,918 km (0.092 R)
• M88: 34,496,521 km (0.039 R)
• M89: 34,550,975 km (0.039 R)
• M90: 35,372,566 km (0.054 R)
• M91: 36,478,094 km (0.091 R)
• M92: 37,314,646 km (0.097 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: 462 - 19,541 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit