🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.73 AU - 0.91 AU

Year: 275 Days

Day: 25 Hours

Environment

Temp: 79 °C

Axial Tilt: 8.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.81 AU - 0.95 AU

Year: 306 Days

Day: 12.6 Hours

Environment

Temp: 119 °C

Axial Tilt: 46.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 69,420,831 km

• M1: 150,346 km (0.074 R)
• M2: 218,114 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.81 AU - 1.13 AU

Year: 354 Days

Day: 31.9 Hours

Environment

Temp: 26 °C

Axial Tilt: 24.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 69,420,831 km

• M1: 146,157 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.81 AU - 1.15 AU

Year: 360 Days

Day: 28.8 Hours

Environment

Temp: 21 °C

Axial Tilt: 84.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 69,420,831 km

• M1: 491,130 km (0.116 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.31 AU - 1.41 AU

Year: 588 Days

Day: 19 Hours

Environment

Temp: -21 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.11 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.8

Radius: 9.2

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.69 AU - 5.03 AU

Year: 3973 Days

Day: 8.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,420,831 km

• M1: 158,873 km (0.072 R)
• M2: 511,475 km (0.074 R)
• M3: 587,620 km (0.073 R)
• M4: 657,782 km (0.095 R)
• M5: 758,012 km (0.109 R)
• M6: 818,600 km (0.048 R)
• M7: 939,026 km (0.114 R)
• M8: 1,557,912 km (0.113 R)
• M9: 1,702,125 km (0.076 R)
• M10: 1,881,193 km (0.072 R)
• M11: 2,011,942 km (0.104 R)
• M12: 2,241,874 km (0.045 R)
• M13: 2,438,595 km (0.104 R)
• M14: 2,884,397 km (0.088 R)
• M15: 3,299,979 km (0.092 R)
• M16: 3,374,180 km (0.105 R)
• M17: 3,619,371 km (0.048 R)
• M18: 3,978,256 km (0.099 R)
• M19: 4,197,118 km (0.056 R)
• M20: 4,389,351 km (0.044 R)
• M21: 4,450,686 km (0.119 R)
• M22: 4,782,494 km (0.062 R)
• M23: 4,887,961 km (0.086 R)
• M24: 5,036,811 km (0.092 R)
• M25: 5,284,545 km (0.049 R)
• M26: 5,503,257 km (0.076 R)
• M27: 5,624,880 km (0.089 R)
• M28: 6,165,975 km (0.037 R)
• M29: 6,688,222 km (0.079 R)
• M30: 7,333,886 km (0.039 R)
• M31: 7,553,496 km (0.057 R)
• M32: 7,999,297 km (0.071 R)
• M33: 8,212,774 km (0.104 R)
• M34: 8,428,194 km (0.087 R)
• M35: 8,645,411 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.4

Radius: 8.2

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 7.32 AU - 11.02 AU

Year: 10298 Days

Day: 11.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 69,420,831 km

• M1: 109,506 km (0.101 R)
• M2: 173,534 km (0.111 R)
• M3: 226,192 km (0.09 R)
• M4: 279,748 km (0.076 R)
• M5: 413,788 km (0.076 R)
• M6: 698,772 km (0.111 R)
• M7: 902,374 km (0.09 R)
• M8: 1,183,618 km (0.116 R)
• M9: 1,273,227 km (0.107 R)
• M10: 1,334,413 km (0.077 R)
• M11: 1,475,484 km (0.065 R)
• M12: 1,655,001 km (0.064 R)
• M13: 1,946,268 km (0.11 R)
• M14: 2,328,341 km (0.07 R)
• M15: 2,557,226 km (0.1 R)
• M16: 2,893,971 km (0.075 R)
• M17: 2,955,007 km (0.12 R)
• M18: 3,244,927 km (0.109 R)
• M19: 3,350,693 km (0.078 R)
• M20: 3,457,805 km (0.066 R)
• M21: 4,009,672 km (0.106 R)
• M22: 4,261,146 km (0.07 R)
• M23: 4,377,234 km (0.103 R)
• M24: 4,541,492 km (0.089 R)
• M25: 4,636,337 km (0.073 R)
• M26: 5,343,187 km (0.083 R)
• M27: 5,620,093 km (0.096 R)
• M28: 5,721,969 km (0.113 R)
• M29: 5,773,131 km (0.108 R)
• M30: 5,979,427 km (0.084 R)
• M31: 6,031,337 km (0.051 R)
• M32: 6,161,787 km (0.119 R)
• M33: 6,293,283 km (0.102 R)
• M34: 6,399,049 km (0.119 R)
• M35: 6,693,158 km (0.037 R)
• M36: 7,517,742 km (0.048 R)
• M37: 7,601,965 km (0.097 R)
• M38: 7,970,425 km (0.025 R)
• M39: 8,085,017 km (0.054 R)
• M40: 8,519,599 km (0.057 R)
• M41: 9,502,307 km (0.106 R)
• M42: 9,837,855 km (0.109 R)
• M43: 10,426,672 km (0.069 R)
• M44: 11,508,415 km (0.073 R)
• M45: 11,573,190 km (0.076 R)
• M46: 11,997,001 km (0.088 R)
• M47: 12,359,626 km (0.105 R)
• M48: 13,028,030 km (0.053 R)
• M49: 13,095,648 km (0.112 R)
• M50: 13,537,261 km (0.091 R)
• M51: 14,156,746 km (0.103 R)
• M52: 14,400,141 km (0.101 R)
• M53: 14,750,200 km (0.046 R)
• M54: 15,387,637 km (0.076 R)
• M55: 15,925,591 km (0.075 R)
• M56: 17,167,702 km (0.043 R)
• M57: 17,539,004 km (0.087 R)
• M58: 18,630,620 km (0.076 R)
• M59: 18,744,763 km (0.056 R)
• M60: 19,012,094 km (0.045 R)
• M61: 19,666,585 km (0.1 R)
• M62: 19,782,822 km (0.077 R)
• M63: 20,250,166 km (0.085 R)
• M64: 20,524,529 km (0.103 R)
• M65: 20,603,068 km (0.053 R)
• M66: 20,799,938 km (0.102 R)
• M67: 20,958,063 km (0.076 R)
• M68: 21,037,201 km (0.1 R)
• M69: 21,514,119 km (0.056 R)
• M70: 22,317,010 km (0.06 R)
• M71: 24,242,185 km (0.12 R)
• M72: 24,366,950 km (0.084 R)
• M73: 24,533,452 km (0.094 R)
• M74: 24,951,578 km (0.064 R)
• M75: 25,710,040 km (0.062 R)
• M76: 26,476,130 km (0.118 R)
• M77: 26,819,009 km (0.104 R)
• M78: 27,120,299 km (0.102 R)
• M79: 27,943,536 km (0.066 R)
• M80: 29,216,015 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.4

Radius: 6.7

Gravity: 12.28 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 12.43 AU - 15.57 AU

Year: 19427 Days

Day: 20.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 69,420,831 km

• M1: 123,867 km (0.049 R)
• M2: 198,217 km (0.062 R)
• M3: 357,389 km (0.119 R)
• M4: 767,437 km (0.096 R)
• M5: 812,466 km (0.109 R)
• M6: 1,536,071 km (0.093 R)
• M7: 1,652,308 km (0.033 R)
• M8: 1,711,400 km (0.036 R)
• M9: 2,308,894 km (0.036 R)
• M10: 2,578,469 km (0.088 R)
• M11: 2,893,821 km (0.042 R)
• M12: 3,715,413 km (0.119 R)
• M13: 3,951,478 km (0.109 R)
• M14: 4,314,552 km (0.105 R)
• M15: 4,646,360 km (0.114 R)
• M16: 5,422,624 km (0.092 R)
• M17: 6,755,989 km (0.105 R)
• M18: 6,899,454 km (0.095 R)
• M19: 7,385,048 km (0.069 R)
• M20: 7,582,368 km (0.081 R)
• M21: 8,337,837 km (0.085 R)
• M22: 8,543,385 km (0.097 R)
• M23: 8,750,578 km (0.09 R)
• M24: 9,169,901 km (0.091 R)
• M25: 9,488,694 km (0.026 R)
• M26: 9,703,217 km (0.1 R)
• M27: 11,024,017 km (0.083 R)
• M28: 11,306,158 km (0.079 R)
• M29: 11,820,177 km (0.119 R)
• M30: 13,227,743 km (0.083 R)
• M31: 13,527,537 km (0.111 R)
• M32: 14,256,378 km (0.11 R)
• M33: 14,317,713 km (0.11 R)
• M34: 14,811,236 km (0.092 R)
• M35: 14,935,552 km (0.076 R)
• M36: 15,942,346 km (0.103 R)
• M37: 16,133,532 km (0.096 R)
• M38: 17,624,424 km (0.064 R)
• M39: 18,153,402 km (0.09 R)
• M40: 18,219,824 km (0.098 R)
• M41: 18,486,557 km (0.104 R)
• M42: 19,294,385 km (0.12 R)
• M43: 21,223,899 km (0.088 R)
• M44: 21,786,387 km (0.106 R)
• M45: 22,353,662 km (0.039 R)
• M46: 23,430,617 km (0.114 R)
• M47: 24,377,571 km (0.111 R)
• M48: 26,233,483 km (0.047 R)
• M49: 26,912,657 km (0.095 R)
• M50: 27,292,486 km (0.107 R)
• M51: 27,827,298 km (0.092 R)
• M52: 29,452,230 km (0.116 R)
• M53: 31,266,853 km (0.11 R)
• M54: 34,590,319 km (0.085 R)
• M55: 34,755,325 km (0.037 R)
• M56: 36,168,128 km (0.092 R)
• M57: 36,755,299 km (0.066 R)
• M58: 36,923,746 km (0.12 R)
• M59: 38,109,310 km (0.097 R)
• M60: 38,621,233 km (0.096 R)
• M61: 39,393,458 km (0.041 R)
• M62: 41,652,685 km (0.094 R)
• M63: 41,915,977 km (0.118 R)
• M64: 42,179,868 km (0.091 R)
• M65: 42,267,981 km (0.055 R)
• M66: 42,532,619 km (0.092 R)
• M67: 42,709,444 km (0.087 R)
• M68: 43,329,976 km (0.088 R)
• M69: 43,596,859 km (0.119 R)
• M70: 45,841,874 km (0.066 R)
• M71: 46,023,037 km (0.06 R)
• M72: 46,568,172 km (0.103 R)
• M73: 47,298,359 km (0.082 R)
• M74: 47,848,430 km (0.115 R)
• M75: 47,940,283 km (0.074 R)
• M76: 49,883,410 km (0.12 R)
• M77: 52,040,910 km (0.109 R)
• M78: 53,178,602 km (0.116 R)
• M79: 54,612,348 km (0.074 R)
• M80: 55,865,081 km (0.077 R)
• M81: 57,615,226 km (0.093 R)
• M82: 58,104,711 km (0.088 R)
• M83: 58,595,392 km (0.063 R)
• M84: 58,693,677 km (0.083 R)
• M85: 60,174,995 km (0.118 R)
• M86: 60,671,511 km (0.066 R)
• M87: 61,069,591 km (0.102 R)
• M88: 62,570,506 km (0.097 R)
• M89: 62,972,775 km (0.118 R)
• M90: 63,073,454 km (0.118 R)
• M91: 65,302,463 km (0.118 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 17,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit