🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.1

Radius: 14.1

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.9 AU - 1.44 AU

Year: 874 Days

Day: 6.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,723,650 km

• M1: 176,675 km (0.04 R)
• M2: 642,373 km (0.114 R)
• M3: 1,206,656 km (0.09 R)
• M4: 1,805,497 km (0.114 R)
• M5: 2,720,736 km (0.079 R)
• M6: 3,174,317 km (0.091 R)
• M7: 4,563,184 km (0.118 R)
• M8: 5,228,745 km (0.098 R)
• M9: 5,728,252 km (0.069 R)
• M10: 6,259,923 km (0.03 R)
• M11: 7,521,482 km (0.116 R)
• M12: 7,977,905 km (0.084 R)
• M13: 9,693,942 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.9

Radius: 10.9

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.02 AU - 1.52 AU

Year: 988 Days

Day: 9.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,723,650 km

• M1: 136,134 km (0.039 R)
• M2: 633,248 km (0.096 R)
• M3: 1,016,966 km (0.118 R)
• M4: 1,599,201 km (0.07 R)
• M5: 2,612,577 km (0.109 R)
• M6: 3,129,737 km (0.117 R)
• M7: 3,685,493 km (0.078 R)
• M8: 4,102,273 km (0.099 R)
• M9: 5,156,190 km (0.074 R)
• M10: 6,073,973 km (0.109 R)
• M11: 6,897,060 km (0.067 R)
• M12: 7,888,894 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.3

Radius: 8.4

Gravity: 13.85 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.22 AU - 1.5 AU

Year: 1095 Days

Day: 10.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,723,650 km

• M1: 104,569 km (0.085 R)
• M2: 406,158 km (0.102 R)
• M3: 1,536,221 km (0.073 R)
• M4: 1,896,602 km (0.098 R)
• M5: 2,312,933 km (0.098 R)
• M6: 2,980,438 km (0.088 R)
• M7: 3,254,502 km (0.056 R)
• M8: 3,592,742 km (0.093 R)
• M9: 5,126,719 km (0.083 R)
• M10: 5,937,390 km (0.086 R)
• M11: 6,303,306 km (0.1 R)
• M12: 6,954,955 km (0.099 R)
• M13: 7,811,402 km (0.08 R)
• M14: 9,000,855 km (0.09 R)
• M15: 9,453,688 km (0.088 R)
• M16: 9,985,059 km (0.105 R)
• M17: 10,536,328 km (0.072 R)
• M18: 10,869,931 km (0.099 R)
• M19: 11,279,530 km (0.097 R)
• M20: 11,628,691 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.8

Radius: 13.4

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.53 AU - 1.81 AU

Year: 1490 Days

Day: 11.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,723,650 km

• M1: 166,802 km (0.118 R)
• M2: 791,822 km (0.103 R)
• M3: 1,725,312 km (0.066 R)
• M4: 2,264,762 km (0.106 R)
• M5: 2,695,155 km (0.113 R)
• M6: 3,349,945 km (0.041 R)
• M7: 5,470,944 km (0.057 R)
• M8: 6,402,340 km (0.074 R)
• M9: 6,932,216 km (0.097 R)
• M10: 7,601,068 km (0.061 R)
• M11: 8,254,212 km (0.113 R)
• M12: 9,006,390 km (0.054 R)
• M13: 10,135,555 km (0.076 R)
• M14: 11,141,002 km (0.119 R)
• M15: 11,649,635 km (0.051 R)
• M16: 12,326,416 km (0.106 R)
• M17: 12,831,458 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.3

Radius: 11.1

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 2.18 AU - 2.42 AU

Year: 2408 Days

Day: 10.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,723,650 km

• M1: 138,079 km (0.105 R)
• M2: 524,341 km (0.036 R)
• M3: 1,239,867 km (0.092 R)
• M4: 2,025,705 km (0.116 R)
• M5: 2,668,826 km (0.101 R)
• M6: 3,038,931 km (0.11 R)
• M7: 4,014,160 km (0.051 R)
• M8: 5,254,027 km (0.102 R)
• M9: 5,624,282 km (0.103 R)
• M10: 6,263,364 km (0.055 R)
• M11: 7,863,762 km (0.104 R)
• M12: 8,349,506 km (0.071 R)
• M13: 9,248,140 km (0.08 R)
• M14: 10,678,595 km (0.112 R)
• M15: 11,237,194 km (0.081 R)
• M16: 12,372,342 km (0.11 R)
• M17: 15,007,509 km (0.066 R)
• M18: 15,613,979 km (0.036 R)
• M19: 16,188,285 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.3

Radius: 8.5

Gravity: 13.43 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.48 AU - 3.68 AU

Year: 4676 Days

Day: 14.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,723,650 km

• M1: 105,766 km (0.102 R)
• M2: 575,204 km (0.109 R)
• M3: 978,370 km (0.103 R)
• M4: 1,539,661 km (0.057 R)
• M5: 1,964,669 km (0.116 R)
• M6: 3,483,087 km (0.062 R)
• M7: 5,997,678 km (0.067 R)
• M8: 6,347,288 km (0.086 R)
• M9: 6,880,156 km (0.102 R)
• M10: 7,370,537 km (0.12 R)
• M11: 7,771,909 km (0.05 R)
• M12: 8,738,909 km (0.11 R)
• M13: 10,677,997 km (0.069 R)
• M14: 11,479,991 km (0.114 R)
• M15: 18,654,406 km (0.101 R)
• M16: 21,759,609 km (0.105 R)
• M17: 22,208,103 km (0.085 R)
• M18: 22,892,364 km (0.081 R)
• M19: 23,200,984 km (0.117 R)
• M20: 24,543,775 km (0.101 R)
• M21: 27,296,824 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.4

Radius: 9.3

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.11 AU - 4.31 AU

Year: 4933 Days

Day: 5 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,723,650 km

• M1: 115,639 km (0.114 R)
• M2: 459,565 km (0.111 R)
• M3: 768,484 km (0.088 R)
• M4: 1,174,194 km (0.079 R)
• M5: 1,540,559 km (0.05 R)
• M6: 2,212,702 km (0.115 R)
• M7: 2,849,540 km (0.054 R)
• M8: 3,418,760 km (0.101 R)
• M9: 4,223,148 km (0.106 R)
• M10: 4,989,837 km (0.114 R)
• M11: 5,392,854 km (0.096 R)
• M12: 6,669,971 km (0.117 R)
• M13: 7,885,453 km (0.085 R)
• M14: 11,331,740 km (0.1 R)
• M15: 11,747,023 km (0.054 R)
• M16: 12,268,521 km (0.098 R)
• M17: 13,925,916 km (0.06 R)
• M18: 15,221,434 km (0.119 R)
• M19: 16,071,000 km (0.112 R)
• M20: 16,536,698 km (0.074 R)
• M21: 18,873,417 km (0.066 R)
• M22: 21,986,399 km (0.118 R)
• M23: 22,778,520 km (0.081 R)
• M24: 24,572,797 km (0.117 R)
• M25: 25,425,953 km (0.106 R)
• M26: 26,218,373 km (0.083 R)
• M27: 27,686,377 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.1

Radius: 14.7

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.3 AU - 4.4 AU

Year: 5214 Days

Day: 11.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,723,650 km

• M1: 182,809 km (0.097 R)
• M2: 659,577 km (0.066 R)
• M3: 1,772,136 km (0.111 R)
• M4: 2,974,754 km (0.072 R)
• M5: 4,462,056 km (0.07 R)
• M6: 5,270,782 km (0.12 R)
• M7: 7,577,282 km (0.071 R)
• M8: 9,140,280 km (0.115 R)
• M9: 9,866,279 km (0.052 R)
• M10: 11,628,542 km (0.101 R)
• M11: 12,897,281 km (0.11 R)
• M12: 16,011,311 km (0.083 R)
• M13: 19,457,447 km (0.058 R)
• M14: 20,372,986 km (0.109 R)
• M15: 21,538,802 km (0.099 R)
• M16: 29,671,690 km (0.059 R)
• M17: 30,134,397 km (0.044 R)
• M18: 31,359,902 km (0.044 R)
• M19: 32,422,795 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 208.4

Radius: 4.2

Gravity: 11.81 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 6.68 AU - 6.82 AU

Year: 12105 Days

Day: 19.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,723,650 km

• M1: 52,210 km (0.064 R)
• M2: 907,610 km (0.093 R)
• M3: 1,195,137 km (0.071 R)
• M4: 5,313,118 km (0.092 R)
• M5: 6,823,757 km (0.103 R)
• M6: 7,410,181 km (0.119 R)
• M7: 8,682,511 km (0.094 R)
• M8: 10,756,685 km (0.045 R)
• M9: 12,433,378 km (0.075 R)
• M10: 12,864,519 km (0.099 R)
• M11: 17,270,925 km (0.09 R)
• M12: 21,646,961 km (0.101 R)
• M13: 22,035,318 km (0.095 R)
• M14: 30,132,302 km (0.108 R)
• M15: 33,320,682 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.6

Radius: 7.1

Gravity: 11.93 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 7.66 AU - 8.84 AU

Year: 16357 Days

Day: 17.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,723,650 km

• M1: 88,263 km (0.073 R)
• M2: 400,922 km (0.103 R)
• M3: 872,754 km (0.102 R)
• M4: 1,131,110 km (0.119 R)
• M5: 1,515,426 km (0.063 R)
• M6: 1,876,107 km (0.034 R)
• M7: 2,134,612 km (0.072 R)
• M8: 2,438,146 km (0.116 R)
• M9: 3,390,636 km (0.108 R)
• M10: 4,130,547 km (0.077 R)
• M11: 4,973,232 km (0.078 R)
• M12: 6,822,411 km (0.096 R)
• M13: 7,947,686 km (0.099 R)
• M14: 9,832,769 km (0.105 R)
• M15: 13,492,830 km (0.08 R)
• M16: 13,902,429 km (0.025 R)
• M17: 24,539,586 km (0.043 R)
• M18: 25,149,945 km (0.056 R)
• M19: 29,939,471 km (0.111 R)
• M20: 30,170,599 km (0.115 R)
• M21: 30,988,900 km (0.053 R)
• M22: 32,304,463 km (0.118 R)
• M23: 33,656,828 km (0.092 R)
• M24: 36,870,190 km (0.057 R)
• M25: 39,583,597 km (0.106 R)
• M26: 51,937,090 km (0.113 R)
• M27: 60,348,828 km (0.076 R)
• M28: 60,902,789 km (0.074 R)
• M29: 63,532,869 km (0.078 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 19,331 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit