🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.9

Radius: 14.8

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.94 AU - 1.28 AU

Year: 755 Days

Day: 14.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,740,742 km

• M1: 184,005 km (0.103 R)
• M2: 677,379 km (0.088 R)
• M3: 1,305,541 km (0.113 R)
• M4: 1,779,766 km (0.103 R)
• M5: 2,751,105 km (0.102 R)
• M6: 3,636,425 km (0.035 R)
• M7: 4,535,807 km (0.089 R)
• M8: 5,002,852 km (0.075 R)
• M9: 6,388,128 km (0.061 R)
• M10: 6,932,665 km (0.111 R)
• M11: 7,461,044 km (0.097 R)
• M12: 8,065,719 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.8

Radius: 13.1

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.14 AU - 1.7 AU

Year: 1093 Days

Day: 8.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,740,742 km

• M1: 163,062 km (0.082 R)
• M2: 676,332 km (0.045 R)
• M3: 1,616,255 km (0.057 R)
• M4: 2,071,332 km (0.117 R)
• M5: 2,588,342 km (0.071 R)
• M6: 3,587,507 km (0.089 R)
• M7: 4,287,924 km (0.105 R)
• M8: 4,848,018 km (0.094 R)
• M9: 5,477,227 km (0.06 R)
• M10: 5,897,746 km (0.112 R)
• M11: 6,685,828 km (0.029 R)
• M12: 7,167,084 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.3

Radius: 8.6

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.89 AU - 2.45 AU

Year: 2064 Days

Day: 5.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,740,742 km

• M1: 106,962 km (0.078 R)
• M2: 644,916 km (0.111 R)
• M3: 922,869 km (0.058 R)
• M4: 1,208,152 km (0.106 R)
• M5: 1,726,210 km (0.097 R)
• M6: 1,995,037 km (0.06 R)
• M7: 2,631,427 km (0.046 R)
• M8: 2,976,549 km (0.096 R)
• M9: 3,396,919 km (0.117 R)
• M10: 4,058,441 km (0.086 R)
• M11: 5,238,917 km (0.104 R)
• M12: 5,831,325 km (0.117 R)
• M13: 6,327,541 km (0.105 R)
• M14: 7,250,710 km (0.094 R)
• M15: 8,150,391 km (0.089 R)
• M16: 9,729,546 km (0.12 R)
• M17: 11,433,616 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.9

Radius: 8.4

Gravity: 12.41 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.67 AU - 4.43 AU

Year: 5263 Days

Day: 6.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,740,742 km

• M1: 104,569 km (0.026 R)
• M2: 400,025 km (0.081 R)
• M3: 769,831 km (0.118 R)
• M4: 1,092,214 km (0.064 R)
• M5: 1,579,006 km (0.065 R)
• M6: 3,063,615 km (0.033 R)
• M7: 3,459,900 km (0.103 R)
• M8: 4,081,927 km (0.103 R)
• M9: 4,432,585 km (0.088 R)
• M10: 4,913,093 km (0.072 R)
• M11: 6,464,722 km (0.107 R)
• M12: 7,334,036 km (0.115 R)
• M13: 8,842,880 km (0.084 R)
• M14: 9,303,492 km (0.098 R)
• M15: 10,734,694 km (0.092 R)
• M16: 11,800,130 km (0.067 R)
• M17: 12,204,493 km (0.079 R)
• M18: 13,915,444 km (0.115 R)
• M19: 15,121,652 km (0.052 R)
• M20: 19,365,444 km (0.11 R)
• M21: 22,597,955 km (0.069 R)
• M22: 25,163,259 km (0.099 R)
• M23: 27,916,459 km (0.092 R)
• M24: 28,634,977 km (0.114 R)
• M25: 32,315,085 km (0.116 R)
• M26: 33,608,658 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.6

Radius: 12.1

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.28 AU - 4.98 AU

Year: 5419 Days

Day: 11.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,740,742 km

• M1: 231,877 km (0.093 R)
• M2: 1,012,179 km (0.115 R)
• M3: 1,584,092 km (0.04 R)
• M4: 2,019,870 km (0.098 R)
• M5: 3,139,162 km (0.083 R)
• M6: 7,258,788 km (0.102 R)
• M7: 10,055,819 km (0.038 R)
• M8: 11,471,015 km (0.109 R)
• M9: 12,072,847 km (0.095 R)
• M10: 12,642,965 km (0.05 R)
• M11: 13,339,941 km (0.112 R)
• M12: 14,519,521 km (0.111 R)
• M13: 19,025,109 km (0.119 R)
• M14: 20,083,813 km (0.059 R)
• M15: 22,088,126 km (0.115 R)
• M16: 24,467,779 km (0.038 R)
• M17: 25,297,748 km (0.081 R)
• M18: 26,577,558 km (0.068 R)
• M19: 27,365,938 km (0.056 R)
• M20: 30,106,871 km (0.119 R)
• M21: 30,867,576 km (0.11 R)
• M22: 33,428,841 km (0.072 R)
• M23: 33,937,175 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.5

Radius: 14.3

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 4.64 AU - 5.1 AU

Year: 6939 Days

Day: 10.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 72,740,742 km

• M1: 177,872 km (0.081 R)
• M2: 2,018,674 km (0.114 R)
• M3: 2,769,805 km (0.088 R)
• M4: 4,241,548 km (0.12 R)
• M5: 8,604,570 km (0.069 R)
• M6: 10,327,938 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 419.5

Radius: 5.8

Gravity: 12.47 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 5.33 AU - 8.31 AU

Year: 11500 Days

Day: 17 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,740,742 km

• M1: 72,106 km (0.117 R)
• M2: 272,567 km (0.115 R)
• M3: 547,079 km (0.088 R)
• M4: 930,798 km (0.076 R)
• M5: 1,413,999 km (0.103 R)
• M6: 2,481,380 km (0.111 R)
• M7: 3,013,500 km (0.094 R)
• M8: 3,214,559 km (0.037 R)
• M9: 3,448,381 km (0.097 R)
• M10: 3,871,892 km (0.094 R)
• M11: 4,974,578 km (0.107 R)
• M12: 6,453,503 km (0.079 R)
• M13: 6,941,192 km (0.057 R)
• M14: 7,534,198 km (0.072 R)
• M15: 8,508,229 km (0.103 R)
• M16: 9,233,480 km (0.109 R)
• M17: 10,806,501 km (0.08 R)
• M18: 11,067,550 km (0.066 R)
• M19: 11,875,677 km (0.12 R)
• M20: 17,496,518 km (0.098 R)
• M21: 17,784,195 km (0.09 R)
• M22: 19,731,062 km (0.03 R)
• M23: 20,042,674 km (0.065 R)
• M24: 23,603,103 km (0.103 R)
• M25: 27,273,786 km (0.036 R)
• M26: 29,853,302 km (0.099 R)
• M27: 32,159,204 km (0.104 R)
• M28: 33,355,538 km (0.113 R)
• M29: 37,004,230 km (0.051 R)
• M30: 37,836,293 km (0.089 R)
• M31: 40,910,081 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 975.8

Radius: 5.7

Gravity: 30.03 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 7.95 AU - 8.81 AU

Year: 15663 Days

Day: 22.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 72,740,742 km

• M1: 86,617 km (0.088 R)
• M2: 523,593 km (0.038 R)
• M3: 898,634 km (0.032 R)
• M4: 1,485,357 km (0.04 R)
• M5: 1,666,071 km (0.117 R)
• M6: 2,033,035 km (0.109 R)
• M7: 2,497,088 km (0.106 R)
• M8: 4,617,937 km (0.093 R)
• M9: 5,889,070 km (0.05 R)
• M10: 8,157,871 km (0.058 R)
• M11: 12,227,382 km (0.071 R)
• M12: 14,396,850 km (0.077 R)
• M13: 20,679,512 km (0.084 R)
• M14: 20,868,305 km (0.117 R)
• M15: 21,538,204 km (0.118 R)
• M16: 24,889,944 km (0.071 R)
• M17: 25,210,981 km (0.101 R)
• M18: 27,194,799 km (0.109 R)
• M19: 30,119,437 km (0.118 R)
• M20: 31,221,674 km (0.112 R)
• M21: 32,350,540 km (0.103 R)
• M22: 32,732,762 km (0.062 R)
• M23: 33,506,333 km (0.068 R)
• M24: 36,722,537 km (0.079 R)
• M25: 38,405,214 km (0.083 R)
• M26: 42,988,893 km (0.085 R)
• M27: 43,605,685 km (0.045 R)
• M28: 47,267,242 km (0.103 R)
• M29: 48,587,294 km (0.066 R)
• M30: 65,374,419 km (0.108 R)
• M31: 71,872,203 km (0.108 R)
• M32: 72,088,671 km (0.071 R)
• M33: 72,740,768 km (0.032 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 10,325 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit