🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.4

Radius: 9.8

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.05 AU - 1.59 AU

Year: 1047 Days

Day: 10.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,007,387 km

• M1: 121,922 km (0.096 R)
• M2: 706,102 km (0.076 R)
• M3: 1,498,671 km (0.086 R)
• M4: 1,860,698 km (0.119 R)
• M5: 2,217,340 km (0.083 R)
• M6: 3,041,026 km (0.079 R)
• M7: 3,809,360 km (0.072 R)
• M8: 4,128,901 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.9

Radius: 9.3

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.23 AU - 1.43 AU

Year: 1059 Days

Day: 13.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,007,387 km

• M1: 115,639 km (0.114 R)
• M2: 442,361 km (0.084 R)
• M3: 897,886 km (0.117 R)
• M4: 1,270,385 km (0.066 R)
• M5: 1,652,608 km (0.036 R)
• M6: 2,232,748 km (0.053 R)
• M7: 2,929,426 km (0.12 R)
• M8: 3,403,800 km (0.095 R)
• M9: 4,029,867 km (0.088 R)
• M10: 4,807,028 km (0.033 R)
• M11: 5,659,437 km (0.087 R)
• M12: 6,609,084 km (0.1 R)
• M13: 7,324,461 km (0.065 R)
• M14: 7,767,421 km (0.118 R)
• M15: 8,283,384 km (0.105 R)
• M16: 8,967,644 km (0.079 R)
• M17: 9,596,853 km (0.095 R)
• M18: 10,127,477 km (0.062 R)
• M19: 11,522,626 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.2

Radius: 13.2

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.09 AU - 1.77 AU

Year: 1180 Days

Day: 14.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 86,007,387 km

• M1: 164,109 km (0.092 R)
• M2: 602,281 km (0.104 R)
• M3: 1,191,547 km (0.114 R)
• M4: 1,642,734 km (0.086 R)
• M5: 2,236,039 km (0.067 R)
• M6: 3,484,434 km (0.099 R)
• M7: 3,898,969 km (0.109 R)
• M8: 5,346,777 km (0.059 R)
• M9: 6,024,157 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.6

Radius: 8.3

Gravity: 13.15 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.55 AU - 1.57 AU

Year: 1345 Days

Day: 10.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,007,387 km

• M1: 103,522 km (0.111 R)
• M2: 499,806 km (0.091 R)
• M3: 791,822 km (0.094 R)
• M4: 1,068,727 km (0.098 R)
• M5: 1,572,124 km (0.065 R)
• M6: 1,932,057 km (0.066 R)
• M7: 2,190,262 km (0.104 R)
• M8: 2,875,570 km (0.107 R)
• M9: 3,919,763 km (0.072 R)
• M10: 4,207,141 km (0.056 R)
• M11: 4,586,372 km (0.074 R)
• M12: 4,967,547 km (0.027 R)
• M13: 5,501,312 km (0.12 R)
• M14: 6,120,049 km (0.053 R)
• M15: 6,557,772 km (0.058 R)
• M16: 7,715,959 km (0.05 R)
• M17: 9,035,861 km (0.104 R)
• M18: 10,706,720 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492

Radius: 10.9

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.19 AU - 1.97 AU

Year: 1371 Days

Day: 7.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,007,387 km

• M1: 135,685 km (0.107 R)
• M2: 674,986 km (0.061 R)
• M3: 1,044,792 km (0.118 R)
• M4: 2,148,076 km (0.081 R)
• M5: 2,862,406 km (0.082 R)
• M6: 3,619,221 km (0.107 R)
• M7: 4,309,765 km (0.08 R)
• M8: 5,887,873 km (0.047 R)
• M9: 6,677,301 km (0.108 R)
• M10: 7,742,288 km (0.092 R)
• M11: 10,912,865 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.8

Radius: 8.3

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.49 AU - 1.75 AU

Year: 1423 Days

Day: 6.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,007,387 km

• M1: 103,223 km (0.036 R)
• M2: 417,378 km (0.089 R)
• M3: 682,017 km (0.104 R)
• M4: 1,018,014 km (0.075 R)
• M5: 1,396,347 km (0.095 R)
• M6: 1,918,293 km (0.061 R)
• M7: 2,390,724 km (0.101 R)
• M8: 2,801,071 km (0.076 R)
• M9: 3,242,683 km (0.089 R)
• M10: 3,681,005 km (0.071 R)
• M11: 4,140,420 km (0.101 R)
• M12: 4,772,920 km (0.098 R)
• M13: 5,554,270 km (0.079 R)
• M14: 5,840,301 km (0.107 R)
• M15: 6,932,665 km (0.112 R)
• M16: 7,580,573 km (0.08 R)
• M17: 8,410,691 km (0.088 R)
• M18: 9,485,253 km (0.078 R)
• M19: 9,799,409 km (0.088 R)
• M20: 10,715,995 km (0.117 R)
• M21: 11,022,521 km (0.104 R)
• M22: 11,440,198 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.9

Radius: 8.3

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.44 AU - 6.52 AU

Year: 8855 Days

Day: 15 Hours

Environment

Temp: -235 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 86,007,387 km

• M1: 103,372 km (0.103 R)
• M2: 625,618 km (0.056 R)
• M3: 948,002 km (0.073 R)
• M4: 1,208,751 km (0.104 R)
• M5: 2,985,076 km (0.114 R)
• M6: 3,397,218 km (0.12 R)
• M7: 4,099,281 km (0.044 R)
• M8: 4,865,521 km (0.042 R)
• M9: 5,191,345 km (0.102 R)
• M10: 6,608,037 km (0.105 R)
• M11: 6,897,659 km (0.056 R)
• M12: 8,517,355 km (0.114 R)
• M13: 8,948,047 km (0.114 R)
• M14: 10,867,388 km (0.098 R)
• M15: 12,164,102 km (0.108 R)
• M16: 12,600,030 km (0.102 R)
• M17: 12,989,882 km (0.069 R)
• M18: 13,560,897 km (0.12 R)
• M19: 13,970,347 km (0.108 R)
• M20: 17,688,003 km (0.118 R)
• M21: 21,303,036 km (0.037 R)
• M22: 21,856,847 km (0.099 R)
• M23: 22,746,207 km (0.11 R)
• M24: 26,094,656 km (0.054 R)
• M25: 27,465,571 km (0.09 R)
• M26: 28,405,793 km (0.097 R)
• M27: 28,883,758 km (0.072 R)
• M28: 31,355,115 km (0.09 R)
• M29: 32,278,134 km (0.057 R)
• M30: 34,286,336 km (0.082 R)
• M31: 34,828,329 km (0.1 R)
• M32: 35,929,519 km (0.083 R)
• M33: 38,783,697 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650

Radius: 7

Gravity: 13.27 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 6.2 AU - 6.34 AU

Year: 10837 Days

Day: 21.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,007,387 km

• M1: 87,216 km (0.081 R)
• M2: 587,022 km (0.092 R)
• M3: 1,399,937 km (0.111 R)
• M4: 2,519,228 km (0.102 R)
• M5: 3,868,451 km (0.117 R)
• M6: 5,270,483 km (0.074 R)
• M7: 6,400,395 km (0.095 R)
• M8: 9,177,829 km (0.059 R)
• M9: 11,402,649 km (0.116 R)
• M10: 16,102,116 km (0.117 R)
• M11: 17,396,138 km (0.077 R)
• M12: 21,607,019 km (0.051 R)
• M13: 26,450,998 km (0.105 R)
• M14: 29,280,642 km (0.101 R)
• M15: 30,231,336 km (0.118 R)
• M16: 31,861,355 km (0.11 R)
• M17: 41,422,603 km (0.104 R)
• M18: 41,951,880 km (0.09 R)
• M19: 44,114,617 km (0.096 R)
• M20: 48,955,006 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 472.5

Radius: 4.4

Gravity: 24.41 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.84 AU - 11.02 AU

Year: 18420 Days

Day: 23.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 86,007,387 km

• M1: 54,902 km (0.08 R)
• M2: 260,899 km (0.117 R)
• M3: 425,606 km (0.117 R)
• M4: 901,178 km (0.107 R)
• M5: 1,278,613 km (0.081 R)
• M6: 1,894,507 km (0.11 R)
• M7: 2,042,161 km (0.032 R)
• M8: 3,327,954 km (0.106 R)
• M9: 3,711,673 km (0.079 R)
• M10: 4,901,574 km (0.094 R)
• M11: 6,365,689 km (0.092 R)
• M12: 9,628,717 km (0.03 R)
• M13: 10,691,461 km (0.101 R)
• M14: 11,221,336 km (0.062 R)
• M15: 11,830,200 km (0.057 R)
• M16: 13,247,041 km (0.114 R)
• M17: 13,789,184 km (0.11 R)
• M18: 14,917,451 km (0.097 R)
• M19: 17,116,988 km (0.12 R)
• M20: 19,178,746 km (0.11 R)
• M21: 19,697,252 km (0.093 R)
• M22: 23,787,707 km (0.042 R)
• M23: 28,298,980 km (0.055 R)
• M24: 34,730,193 km (0.061 R)
• M25: 36,675,414 km (0.092 R)
• M26: 37,339,629 km (0.104 R)
• M27: 40,498,388 km (0.04 R)
• M28: 41,494,111 km (0.048 R)
• M29: 41,925,701 km (0.093 R)
• M30: 42,944,612 km (0.078 R)
• M31: 44,428,473 km (0.077 R)
• M32: 56,135,255 km (0.088 R)
• M33: 56,839,861 km (0.056 R)
• M34: 61,192,111 km (0.102 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751.3

Radius: 3.1

Gravity: 78.18 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 9.89 AU - 10.79 AU

Year: 22950 Days

Day: 15.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 86,007,387 km

• M1: 38,596 km (0.112 R)
• M2: 279,598 km (0.116 R)
• M3: 574,157 km (0.113 R)
• M4: 726,298 km (0.045 R)
• M5: 917,035 km (0.061 R)
• M6: 1,017,864 km (0.11 R)
• M7: 1,497,774 km (0.08 R)
• M8: 2,574,879 km (0.11 R)
• M9: 4,428,546 km (0.025 R)
• M10: 5,749,495 km (0.116 R)
• M11: 6,050,785 km (0.11 R)
• M12: 6,684,631 km (0.111 R)
• M13: 7,977,306 km (0.091 R)
• M14: 10,979,287 km (0.084 R)
• M15: 13,425,661 km (0.097 R)
• M16: 14,814,827 km (0.066 R)
• M17: 24,418,711 km (0.119 R)
• M18: 31,068,486 km (0.115 R)
• M19: 31,199,384 km (0.026 R)
• M20: 34,453,287 km (0.111 R)
• M21: 36,161,844 km (0.119 R)
• M22: 42,909,307 km (0.045 R)
• M23: 44,385,539 km (0.094 R)
• M24: 45,725,936 km (0.099 R)
• M25: 51,174,888 km (0.11 R)
• M26: 53,207,774 km (0.092 R)
• M27: 57,236,893 km (0.083 R)
• M28: 72,128,763 km (0.06 R)
• M29: 76,574,662 km (0.034 R)
• M30: 81,199,630 km (0.116 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: 296 - 13,440 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit