🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746

Radius: 9.3

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.81 AU - 1.17 AU

Year: 668 Days

Day: 7 Hours

Environment

Temp: -177 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,898,342 km

• M1: 115,789 km (0.092 R)
• M2: 521,049 km (0.079 R)
• M3: 864,676 km (0.078 R)
• M4: 1,208,900 km (0.025 R)
• M5: 1,528,890 km (0.062 R)
• M6: 1,861,895 km (0.073 R)
• M7: 2,165,130 km (0.114 R)
• M8: 2,825,904 km (0.115 R)
• M9: 3,574,043 km (0.061 R)
• M10: 3,884,907 km (0.111 R)
• M11: 4,626,464 km (0.052 R)
• M12: 5,013,922 km (0.081 R)
• M13: 5,368,320 km (0.12 R)
• M14: 6,068,138 km (0.114 R)
• M15: 6,450,511 km (0.119 R)
• M16: 7,197,154 km (0.098 R)
• M17: 7,905,649 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662

Radius: 9.4

Gravity: 7.49 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.08 AU - 1.1 AU

Year: 772 Days

Day: 12.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,898,342 km

• M1: 118,033 km (0.119 R)
• M2: 486,492 km (0.105 R)
• M3: 899,382 km (0.109 R)
• M4: 1,254,229 km (0.054 R)
• M5: 1,857,258 km (0.042 R)
• M6: 2,215,694 km (0.111 R)
• M7: 2,699,942 km (0.093 R)
• M8: 3,279,784 km (0.073 R)
• M9: 4,231,825 km (0.063 R)
• M10: 5,211,691 km (0.102 R)
• M11: 5,755,030 km (0.096 R)
• M12: 6,212,500 km (0.105 R)
• M13: 6,999,236 km (0.097 R)
• M14: 7,544,221 km (0.084 R)
• M15: 8,514,961 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386

Radius: 11.9

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.33 AU - 1.45 AU

Year: 1112 Days

Day: 11.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,898,342 km

• M1: 147,952 km (0.04 R)
• M2: 593,156 km (0.05 R)
• M3: 1,041,650 km (0.081 R)
• M4: 1,565,841 km (0.114 R)
• M5: 1,950,756 km (0.079 R)
• M6: 3,236,550 km (0.079 R)
• M7: 3,607,852 km (0.113 R)
• M8: 4,054,102 km (0.085 R)
• M9: 4,689,444 km (0.112 R)
• M10: 5,149,159 km (0.09 R)
• M11: 6,756,139 km (0.112 R)
• M12: 7,674,820 km (0.096 R)
• M13: 8,519,599 km (0.104 R)
• M14: 8,964,802 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.5

Radius: 9.5

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.41 AU - 1.53 AU

Year: 1209 Days

Day: 7.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,898,342 km

• M1: 118,332 km (0.112 R)
• M2: 452,534 km (0.103 R)
• M3: 951,442 km (0.077 R)
• M4: 1,397,543 km (0.105 R)
• M5: 1,785,151 km (0.082 R)
• M6: 2,520,126 km (0.111 R)
• M7: 3,058,678 km (0.1 R)
• M8: 3,444,192 km (0.109 R)
• M9: 3,766,426 km (0.112 R)
• M10: 4,176,324 km (0.085 R)
• M11: 4,525,485 km (0.049 R)
• M12: 4,931,943 km (0.078 R)
• M13: 5,443,867 km (0.086 R)
• M14: 6,855,472 km (0.099 R)
• M15: 7,194,311 km (0.1 R)
• M16: 7,697,858 km (0.086 R)
• M17: 8,197,664 km (0.115 R)
• M18: 9,557,359 km (0.026 R)
• M19: 10,073,322 km (0.058 R)
• M20: 10,898,055 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.4

Radius: 14

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.36 AU - 1.9 AU

Year: 1411 Days

Day: 6.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,898,342 km

• M1: 174,282 km (0.065 R)
• M2: 846,574 km (0.032 R)
• M3: 1,633,010 km (0.086 R)
• M4: 2,121,896 km (0.073 R)
• M5: 2,835,927 km (0.071 R)
• M6: 4,119,925 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475

Radius: 12.3

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.14 AU - 2.82 AU

Year: 2649 Days

Day: 14.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,898,342 km

• M1: 158,125 km (0.099 R)
• M2: 896,690 km (0.088 R)
• M3: 1,339,799 km (0.104 R)
• M4: 1,942,379 km (0.11 R)
• M5: 2,508,457 km (0.035 R)
• M6: 3,331,694 km (0.074 R)
• M7: 3,843,768 km (0.097 R)
• M8: 4,531,768 km (0.075 R)
• M9: 5,801,854 km (0.073 R)
• M10: 6,900,800 km (0.044 R)
• M11: 7,588,502 km (0.11 R)
• M12: 8,479,955 km (0.107 R)
• M13: 9,857,602 km (0.104 R)
• M14: 11,614,779 km (0.09 R)
• M15: 12,014,205 km (0.091 R)
• M16: 12,967,592 km (0.11 R)
• M17: 14,150,463 km (0.097 R)
• M18: 14,744,965 km (0.096 R)
• M19: 15,213,655 km (0.099 R)
• M20: 15,837,777 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.3

Radius: 12.9

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.7 AU - 2.7 AU

Year: 3009 Days

Day: 14.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,898,342 km

• M1: 161,715 km (0.083 R)
• M2: 568,622 km (0.109 R)
• M3: 1,271,881 km (0.034 R)
• M4: 1,843,794 km (0.117 R)
• M5: 2,733,602 km (0.08 R)
• M6: 3,199,898 km (0.113 R)
• M7: 3,607,403 km (0.073 R)
• M8: 4,681,665 km (0.081 R)
• M9: 5,209,895 km (0.106 R)
• M10: 6,063,800 km (0.086 R)
• M11: 6,524,711 km (0.118 R)
• M12: 7,274,944 km (0.072 R)
• M13: 8,879,082 km (0.096 R)
• M14: 10,514,486 km (0.075 R)
• M15: 16,359,425 km (0.115 R)
• M16: 16,989,082 km (0.116 R)
• M17: 17,580,443 km (0.047 R)
• M18: 18,019,064 km (0.108 R)
• M19: 18,465,164 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75

Radius: 12.4

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.07 AU - 3.93 AU

Year: 4441 Days

Day: 9.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,898,342 km

• M1: 154,834 km (0.112 R)
• M2: 1,124,826 km (0.105 R)
• M3: 1,586,186 km (0.049 R)
• M4: 2,782,072 km (0.079 R)
• M5: 6,684,033 km (0.098 R)
• M6: 8,199,908 km (0.074 R)
• M7: 9,392,951 km (0.066 R)
• M8: 13,072,909 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 454.3

Radius: 7.6

Gravity: 7.87 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 6.33 AU - 8.75 AU

Year: 14043 Days

Day: 20.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 74,898,342 km

• M1: 137,929 km (0.104 R)
• M2: 409,898 km (0.091 R)
• M3: 714,629 km (0.055 R)
• M4: 1,683,724 km (0.058 R)
• M5: 2,535,684 km (0.106 R)
• M6: 3,246,274 km (0.104 R)
• M7: 3,596,183 km (0.096 R)
• M8: 4,283,735 km (0.103 R)
• M9: 5,287,836 km (0.096 R)
• M10: 6,138,001 km (0.035 R)
• M11: 6,440,787 km (0.078 R)
• M12: 6,713,803 km (0.117 R)
• M13: 7,928,538 km (0.06 R)
• M14: 9,087,921 km (0.045 R)
• M15: 9,531,778 km (0.114 R)
• M16: 11,227,769 km (0.12 R)
• M17: 11,566,907 km (0.119 R)
• M18: 12,930,342 km (0.089 R)
• M19: 15,137,360 km (0.102 R)
• M20: 16,329,954 km (0.076 R)
• M21: 22,792,432 km (0.113 R)
• M22: 28,004,572 km (0.073 R)
• M23: 31,664,185 km (0.046 R)
• M24: 34,668,858 km (0.109 R)
• M25: 36,486,023 km (0.118 R)
• M26: 39,264,804 km (0.07 R)
• M27: 43,831,877 km (0.119 R)

Asteroid Belt

Center: 8.52 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664.7

Radius: 6.2

Gravity: 17.29 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.73 AU - 10.25 AU

Year: 19829 Days

Day: 17.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,898,342 km

• M1: 79,736 km (0.079 R)
• M2: 457,769 km (0.109 R)
• M3: 841,638 km (0.097 R)
• M4: 1,035,816 km (0.076 R)
• M5: 1,317,808 km (0.098 R)
• M6: 1,566,290 km (0.062 R)
• M7: 2,306,051 km (0.08 R)
• M8: 2,940,645 km (0.059 R)
• M9: 3,257,643 km (0.116 R)
• M10: 3,991,271 km (0.07 R)
• M11: 4,481,354 km (0.086 R)
• M12: 5,271,679 km (0.094 R)
• M13: 5,502,509 km (0.049 R)
• M14: 6,321,258 km (0.114 R)
• M15: 7,171,572 km (0.076 R)
• M16: 9,042,443 km (0.083 R)
• M17: 11,028,205 km (0.097 R)
• M18: 11,793,399 km (0.088 R)
• M19: 12,525,531 km (0.11 R)
• M20: 13,146,661 km (0.032 R)
• M21: 14,525,056 km (0.119 R)
• M22: 15,522,125 km (0.091 R)
• M23: 18,608,330 km (0.116 R)
• M24: 20,154,274 km (0.101 R)
• M25: 26,183,218 km (0.073 R)
• M26: 36,132,673 km (0.085 R)
• M27: 46,514,915 km (0.091 R)
• M28: 46,842,384 km (0.09 R)
• M29: 50,891,999 km (0.109 R)
• M30: 57,394,719 km (0.112 R)
• M31: 59,679,527 km (0.107 R)
• M32: 70,282,875 km (0.105 R)
• M33: 71,364,019 km (0.117 R)
• M34: 71,799,648 km (0.106 R)
• M35: 72,896,350 km (0.085 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 13,525 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit