🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.8

Radius: 13.3

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.56 AU - 0.62 AU

Year: 313 Days

Day: 6 Hours

Environment

Temp: -158 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,821,615 km

• M1: 193,430 km (0.076 R)
• M2: 568,173 km (0.108 R)
• M3: 906,563 km (0.111 R)
• M4: 1,266,645 km (0.05 R)
• M5: 1,615,956 km (0.063 R)
• M6: 1,928,915 km (0.091 R)
• M7: 2,242,023 km (0.053 R)
• M8: 2,574,430 km (0.081 R)
• M9: 2,855,225 km (0.054 R)
• M10: 3,395,124 km (0.108 R)
• M11: 3,846,610 km (0.084 R)
• M12: 4,124,862 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.8

Radius: 8.2

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.63 AU - 0.91 AU

Year: 466 Days

Day: 9.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,821,615 km

• M1: 105,018 km (0.066 R)
• M2: 276,606 km (0.038 R)
• M3: 442,361 km (0.062 R)
• M4: 677,529 km (0.116 R)
• M5: 924,515 km (0.097 R)
• M6: 1,592,021 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.3

Radius: 12.5

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.81 AU - 1.17 AU

Year: 680 Days

Day: 8.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 49,821,615 km

• M1: 162,613 km (0.113 R)
• M2: 643,869 km (0.089 R)
• M3: 891,005 km (0.117 R)
• M4: 1,246,449 km (0.115 R)
• M5: 1,767,798 km (0.113 R)
• M6: 2,066,545 km (0.051 R)
• M7: 2,344,947 km (0.088 R)
• M8: 2,626,191 km (0.085 R)
• M9: 3,001,532 km (0.055 R)
• M10: 3,284,720 km (0.095 R)
• M11: 3,657,518 km (0.105 R)
• M12: 4,529,973 km (0.075 R)
• M13: 4,868,214 km (0.097 R)
• M14: 6,552,686 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.5

Radius: 11.3

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.02 AU - 1.48 AU

Year: 965 Days

Day: 12.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,821,615 km

• M1: 146,008 km (0.06 R)
• M2: 393,742 km (0.091 R)
• M3: 676,332 km (0.093 R)
• M4: 1,091,316 km (0.082 R)
• M5: 1,442,123 km (0.12 R)
• M6: 1,878,201 km (0.078 R)
• M7: 2,201,033 km (0.081 R)
• M8: 2,578,020 km (0.118 R)
• M9: 2,843,856 km (0.048 R)
• M10: 3,253,155 km (0.096 R)
• M11: 3,977,059 km (0.102 R)
• M12: 5,598,102 km (0.119 R)
• M13: 7,334,335 km (0.117 R)
• M14: 7,691,425 km (0.116 R)
• M15: 7,977,007 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.4

Radius: 14.4

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.42 AU - 1.74 AU

Year: 1371 Days

Day: 14 Hours

Environment

Temp: -193 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,821,615 km

• M1: 180,714 km (0.113 R)
• M2: 573,109 km (0.037 R)
• M3: 851,212 km (0.094 R)
• M4: 1,134,999 km (0.111 R)
• M5: 1,429,707 km (0.091 R)
• M6: 2,215,544 km (0.048 R)
• M7: 2,499,032 km (0.071 R)
• M8: 2,970,116 km (0.037 R)
• M9: 3,484,733 km (0.073 R)
• M10: 3,856,334 km (0.07 R)
• M11: 4,192,630 km (0.105 R)
• M12: 4,820,193 km (0.097 R)
• M13: 5,243,256 km (0.085 R)
• M14: 5,620,691 km (0.096 R)
• M15: 7,375,474 km (0.112 R)
• M16: 8,681,464 km (0.089 R)
• M17: 9,437,830 km (0.105 R)
• M18: 10,555,177 km (0.106 R)
• M19: 11,550,452 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.6

Radius: 10.9

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.57 AU - 4.43 AU

Year: 5522 Days

Day: 12.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 49,821,615 km

• M1: 176,825 km (0.047 R)
• M2: 552,465 km (0.077 R)
• M3: 900,729 km (0.117 R)
• M4: 1,241,812 km (0.094 R)
• M5: 1,471,744 km (0.12 R)
• M6: 1,884,634 km (0.097 R)
• M7: 2,112,023 km (0.054 R)
• M8: 2,543,164 km (0.115 R)
• M9: 3,437,759 km (0.075 R)
• M10: 3,867,105 km (0.118 R)
• M11: 5,009,434 km (0.115 R)
• M12: 5,336,605 km (0.101 R)
• M13: 6,304,054 km (0.096 R)
• M14: 6,994,897 km (0.114 R)
• M15: 7,608,099 km (0.093 R)
• M16: 10,725,868 km (0.088 R)
• M17: 12,745,589 km (0.044 R)
• M18: 13,155,637 km (0.114 R)
• M19: 15,021,721 km (0.1 R)
• M20: 15,630,584 km (0.114 R)
• M21: 16,043,175 km (0.073 R)
• M22: 16,293,302 km (0.092 R)
• M23: 18,365,083 km (0.094 R)
• M24: 19,723,282 km (0.112 R)
• M25: 20,939,962 km (0.078 R)
• M26: 21,513,819 km (0.112 R)
• M27: 22,982,721 km (0.117 R)
• M28: 23,483,275 km (0.118 R)
• M29: 24,913,431 km (0.071 R)
• M30: 25,225,343 km (0.104 R)
• M31: 26,226,302 km (0.096 R)
• M32: 27,084,246 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.8

Radius: 14.5

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.15 AU - 6.23 AU

Year: 8161 Days

Day: 14.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,821,615 km

• M1: 204,799 km (0.085 R)
• M2: 651,349 km (0.074 R)
• M3: 948,600 km (0.066 R)
• M4: 1,303,895 km (0.044 R)
• M5: 1,709,604 km (0.097 R)
• M6: 2,476,294 km (0.043 R)
• M7: 2,839,667 km (0.105 R)
• M8: 3,373,731 km (0.09 R)
• M9: 4,732,379 km (0.066 R)
• M10: 5,056,857 km (0.059 R)
• M11: 5,423,671 km (0.1 R)
• M12: 6,882,250 km (0.095 R)
• M13: 7,790,608 km (0.085 R)
• M14: 10,862,002 km (0.116 R)
• M15: 12,712,378 km (0.112 R)
• M16: 17,359,786 km (0.087 R)
• M17: 18,272,782 km (0.095 R)
• M18: 19,806,908 km (0.111 R)
• M19: 20,109,095 km (0.115 R)
• M20: 21,153,737 km (0.115 R)
• M21: 22,033,971 km (0.056 R)
• M22: 26,288,983 km (0.056 R)
• M23: 27,838,967 km (0.06 R)
• M24: 35,690,013 km (0.114 R)
• M25: 40,025,808 km (0.107 R)
• M26: 42,729,490 km (0.11 R)
• M27: 44,249,704 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.6

Radius: 6.7

Gravity: 15.83 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.24 AU - 7.68 AU

Year: 14064 Days

Day: 24.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 102.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 49,821,615 km

• M1: 88,263 km (0.06 R)
• M2: 1,292,675 km (0.11 R)
• M3: 1,779,766 km (0.11 R)
• M4: 2,165,130 km (0.101 R)
• M5: 2,325,648 km (0.115 R)
• M6: 3,357,275 km (0.114 R)
• M7: 4,258,752 km (0.075 R)
• M8: 4,387,257 km (0.103 R)
• M9: 4,784,290 km (0.087 R)
• M10: 5,412,750 km (0.073 R)
• M11: 5,778,966 km (0.072 R)
• M12: 6,351,028 km (0.105 R)
• M13: 7,922,703 km (0.064 R)
• M14: 8,682,810 km (0.096 R)
• M15: 9,525,944 km (0.102 R)
• M16: 10,508,802 km (0.09 R)
• M17: 11,122,003 km (0.037 R)
• M18: 11,278,034 km (0.077 R)
• M19: 11,805,965 km (0.066 R)
• M20: 13,634,649 km (0.1 R)
• M21: 14,747,508 km (0.088 R)
• M22: 15,229,362 km (0.045 R)
• M23: 18,084,288 km (0.081 R)
• M24: 21,185,452 km (0.095 R)
• M25: 23,089,683 km (0.116 R)
• M26: 23,314,679 km (0.112 R)
• M27: 25,310,464 km (0.085 R)
• M28: 26,339,248 km (0.105 R)
• M29: 31,441,134 km (0.094 R)
• M30: 32,586,904 km (0.118 R)
• M31: 34,940,228 km (0.119 R)
• M32: 44,445,527 km (0.071 R)
• M33: 44,966,427 km (0.049 R)
• M34: 45,490,469 km (0.077 R)
• M35: 48,264,462 km (0.104 R)
• M36: 49,243,879 km (0.113 R)
• M37: 49,462,741 km (0.058 R)
• M38: 52,016,077 km (0.037 R)
• M39: 52,579,612 km (0.075 R)
• M40: 59,339,192 km (0.031 R)
• M41: 59,941,024 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.3

Radius: 6.1

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9.4 AU - 9.6 AU

Year: 20211 Days

Day: 24 Hours

Environment

Temp: -235 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 49,821,615 km

• M1: 76,295 km (0.079 R)
• M2: 452,384 km (0.031 R)
• M3: 1,890,618 km (0.097 R)
• M4: 2,065,647 km (0.07 R)
• M5: 2,354,072 km (0.12 R)
• M6: 3,184,939 km (0.104 R)
• M7: 3,595,734 km (0.096 R)
• M8: 3,810,557 km (0.093 R)
• M9: 3,975,863 km (0.102 R)
• M10: 4,523,241 km (0.081 R)
• M11: 4,949,446 km (0.075 R)
• M12: 5,074,809 km (0.069 R)
• M13: 5,525,996 km (0.109 R)
• M14: 6,380,499 km (0.073 R)
• M15: 6,922,941 km (0.111 R)
• M16: 7,449,376 km (0.086 R)
• M17: 10,104,588 km (0.104 R)
• M18: 10,785,857 km (0.117 R)
• M19: 11,441,993 km (0.105 R)
• M20: 11,585,158 km (0.113 R)
• M21: 11,922,502 km (0.107 R)
• M22: 12,314,149 km (0.081 R)
• M23: 14,528,048 km (0.11 R)
• M24: 15,955,959 km (0.025 R)
• M25: 17,628,015 km (0.11 R)
• M26: 17,865,127 km (0.107 R)
• M27: 22,008,540 km (0.04 R)
• M28: 23,897,362 km (0.107 R)
• M29: 24,730,622 km (0.032 R)
• M30: 27,464,075 km (0.057 R)
• M31: 28,658,015 km (0.099 R)
• M32: 31,200,880 km (0.065 R)
• M33: 33,280,590 km (0.09 R)
• M34: 35,427,618 km (0.06 R)
• M35: 35,595,617 km (0.05 R)
• M36: 42,089,211 km (0.061 R)
• M37: 44,312,236 km (0.059 R)
• M38: 46,112,796 km (0.077 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 19,511 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit