🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.8

Radius: 12.4

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.72 AU - 1.06 AU

Year: 569 Days

Day: 12.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,852,818 km

• M1: 154,535 km (0.118 R)
• M2: 832,662 km (0.076 R)
• M3: 1,247,048 km (0.074 R)
• M4: 1,706,313 km (0.095 R)
• M5: 2,221,080 km (0.06 R)
• M6: 2,649,528 km (0.086 R)
• M7: 3,158,011 km (0.109 R)
• M8: 3,554,894 km (0.115 R)
• M9: 4,087,163 km (0.109 R)
• M10: 4,624,220 km (0.066 R)
• M11: 5,277,813 km (0.067 R)
• M12: 6,605,195 km (0.042 R)
• M13: 7,457,603 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590

Radius: 9

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.7 AU - 1.12 AU

Year: 589 Days

Day: 7.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 163.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,852,818 km

• M1: 112,348 km (0.09 R)
• M2: 420,819 km (0.081 R)
• M3: 726,597 km (0.109 R)
• M4: 1,151,754 km (0.116 R)
• M5: 1,925,474 km (0.089 R)
• M6: 2,275,384 km (0.102 R)
• M7: 2,710,265 km (0.072 R)
• M8: 3,236,101 km (0.11 R)
• M9: 4,008,625 km (0.097 R)
• M10: 4,598,788 km (0.049 R)
• M11: 5,111,759 km (0.093 R)
• M12: 5,538,562 km (0.049 R)
• M13: 5,878,748 km (0.119 R)
• M14: 6,175,998 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.4

Radius: 8.4

Gravity: 13.48 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.99 AU - 0.99 AU

Year: 668 Days

Day: 11.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,852,818 km

• M1: 104,569 km (0.044 R)
• M2: 394,938 km (0.088 R)
• M3: 730,935 km (0.08 R)
• M4: 1,066,782 km (0.111 R)
• M5: 1,536,370 km (0.096 R)
• M6: 1,891,515 km (0.102 R)
• M7: 2,269,848 km (0.105 R)
• M8: 3,012,901 km (0.057 R)
• M9: 3,284,870 km (0.027 R)
• M10: 3,630,292 km (0.098 R)
• M11: 3,908,992 km (0.092 R)
• M12: 5,261,656 km (0.096 R)
• M13: 6,791,893 km (0.081 R)
• M14: 7,308,305 km (0.114 R)
• M15: 7,682,898 km (0.1 R)
• M16: 8,343,971 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.6

Radius: 11

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.96 AU - 1.04 AU

Year: 678 Days

Day: 10.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,852,818 km

• M1: 136,732 km (0.117 R)
• M2: 572,361 km (0.056 R)
• M3: 950,844 km (0.102 R)
• M4: 1,405,771 km (0.09 R)
• M5: 1,787,994 km (0.058 R)
• M6: 2,617,963 km (0.111 R)
• M7: 3,919,315 km (0.042 R)
• M8: 4,292,561 km (0.045 R)
• M9: 5,772,533 km (0.083 R)
• M10: 6,276,678 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.2

Radius: 13.8

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.52 AU - 1.9 AU

Year: 1517 Days

Day: 8.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 96.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,852,818 km

• M1: 171,589 km (0.103 R)
• M2: 1,235,379 km (0.085 R)
• M3: 1,890,767 km (0.053 R)
• M4: 2,693,061 km (0.087 R)
• M5: 3,397,667 km (0.115 R)
• M6: 3,894,481 km (0.108 R)
• M7: 4,683,461 km (0.06 R)
• M8: 5,839,104 km (0.079 R)
• M9: 8,251,669 km (0.093 R)
• M10: 9,554,816 km (0.116 R)
• M11: 10,453,002 km (0.076 R)
• M12: 11,868,945 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.5

Radius: 14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.47 AU - 2.83 AU

Year: 2926 Days

Day: 8.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,852,818 km

• M1: 174,132 km (0.066 R)
• M2: 701,016 km (0.054 R)
• M3: 1,161,328 km (0.115 R)
• M4: 1,915,302 km (0.103 R)
• M5: 2,480,333 km (0.093 R)
• M6: 3,052,245 km (0.071 R)
• M7: 3,711,673 km (0.092 R)
• M8: 4,388,902 km (0.063 R)
• M9: 5,581,048 km (0.081 R)
• M10: 6,398,899 km (0.088 R)
• M11: 6,953,010 km (0.088 R)
• M12: 7,900,862 km (0.098 R)
• M13: 8,599,334 km (0.05 R)
• M14: 10,086,636 km (0.104 R)
• M15: 10,839,263 km (0.113 R)
• M16: 11,301,371 km (0.072 R)
• M17: 11,739,543 km (0.065 R)
• M18: 12,379,822 km (0.105 R)
• M19: 12,845,820 km (0.078 R)
• M20: 13,607,422 km (0.106 R)
• M21: 14,103,938 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.3

Radius: 11.3

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.57 AU - 3.91 AU

Year: 3956 Days

Day: 10.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,852,818 km

• M1: 140,472 km (0.05 R)
• M2: 508,184 km (0.086 R)
• M3: 1,417,889 km (0.089 R)
• M4: 2,877,216 km (0.095 R)
• M5: 4,117,681 km (0.118 R)
• M6: 4,524,588 km (0.092 R)
• M7: 5,025,890 km (0.101 R)
• M8: 8,395,133 km (0.108 R)
• M9: 10,544,855 km (0.091 R)
• M10: 12,696,820 km (0.071 R)
• M11: 14,239,025 km (0.068 R)
• M12: 15,270,203 km (0.103 R)
• M13: 16,150,437 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.4

Radius: 13.3

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.8 AU - 3.8 AU

Year: 4066 Days

Day: 8.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 63.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,852,818 km

• M1: 166,054 km (0.119 R)
• M2: 749,336 km (0.079 R)
• M3: 1,308,383 km (0.101 R)
• M4: 1,800,859 km (0.101 R)
• M5: 2,401,794 km (0.058 R)
• M6: 3,533,352 km (0.118 R)
• M7: 4,338,637 km (0.084 R)
• M8: 5,046,834 km (0.034 R)
• M9: 5,627,573 km (0.047 R)
• M10: 6,408,174 km (0.104 R)
• M11: 6,824,954 km (0.043 R)
• M12: 8,447,941 km (0.066 R)
• M13: 10,710,759 km (0.09 R)
• M14: 13,197,973 km (0.056 R)
• M15: 13,981,716 km (0.09 R)
• M16: 15,187,325 km (0.089 R)
• M17: 15,873,531 km (0.078 R)
• M18: 16,461,002 km (0.113 R)
• M19: 17,124,019 km (0.108 R)
• M20: 19,286,457 km (0.047 R)
• M21: 20,571,353 km (0.117 R)
• M22: 22,789,141 km (0.114 R)
• M23: 24,224,682 km (0.084 R)
• M24: 25,082,925 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274.2

Radius: 7.3

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.1 AU - 7.1 AU

Year: 10218 Days

Day: 21.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,852,818 km

• M1: 97,687 km (0.066 R)
• M2: 335,997 km (0.103 R)
• M3: 578,794 km (0.09 R)
• M4: 909,705 km (0.116 R)
• M5: 1,375,403 km (0.119 R)
• M6: 1,717,234 km (0.067 R)
• M7: 2,036,925 km (0.066 R)
• M8: 3,731,569 km (0.085 R)
• M9: 4,168,993 km (0.102 R)
• M10: 4,400,272 km (0.101 R)
• M11: 4,804,934 km (0.094 R)
• M12: 5,263,601 km (0.102 R)
• M13: 6,402,340 km (0.07 R)
• M14: 7,174,415 km (0.073 R)
• M15: 9,200,718 km (0.092 R)
• M16: 11,182,890 km (0.068 R)
• M17: 12,195,218 km (0.096 R)
• M18: 12,831,309 km (0.036 R)
• M19: 14,227,057 km (0.119 R)
• M20: 19,300,519 km (0.117 R)
• M21: 22,044,293 km (0.062 R)
• M22: 24,286,167 km (0.099 R)
• M23: 27,118,055 km (0.087 R)
• M24: 27,565,652 km (0.056 R)
• M25: 28,383,354 km (0.108 R)
• M26: 29,030,664 km (0.094 R)
• M27: 30,162,970 km (0.056 R)
• M28: 30,546,838 km (0.058 R)
• M29: 30,933,997 km (0.102 R)
• M30: 32,415,016 km (0.088 R)
• M31: 33,942,710 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 910.3

Radius: 6.2

Gravity: 23.68 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 7.33 AU - 8.61 AU

Year: 15261 Days

Day: 24.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,852,818 km

• M1: 77,641 km (0.088 R)
• M2: 352,303 km (0.088 R)
• M3: 800,049 km (0.112 R)
• M4: 1,090,718 km (0.116 R)
• M5: 1,709,455 km (0.067 R)
• M6: 1,942,229 km (0.071 R)
• M7: 2,135,809 km (0.087 R)
• M8: 2,892,774 km (0.032 R)
• M9: 3,526,171 km (0.088 R)
• M10: 4,712,333 km (0.057 R)
• M11: 5,028,284 km (0.1 R)
• M12: 5,320,897 km (0.118 R)
• M13: 5,900,140 km (0.099 R)
• M14: 6,267,403 km (0.114 R)
• M15: 7,649,986 km (0.051 R)
• M16: 9,332,962 km (0.101 R)
• M17: 13,832,567 km (0.092 R)
• M18: 15,914,820 km (0.078 R)
• M19: 18,975,144 km (0.12 R)
• M20: 20,504,333 km (0.116 R)
• M21: 26,667,167 km (0.066 R)
• M22: 30,949,406 km (0.095 R)
• M23: 33,062,177 km (0.108 R)
• M24: 34,872,610 km (0.06 R)
• M25: 35,401,887 km (0.094 R)
• M26: 39,114,906 km (0.113 R)
• M27: 41,285,871 km (0.092 R)
• M28: 42,176,427 km (0.074 R)
• M29: 42,777,062 km (0.086 R)
• M30: 44,303,709 km (0.109 R)
• M31: 49,599,174 km (0.055 R)
• M32: 53,705,037 km (0.076 R)
• M33: 55,480,614 km (0.05 R)
• M34: 59,712,289 km (0.095 R)
• M35: 69,643,643 km (0.096 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 510 - 11,367 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit