🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.6

Radius: 14.9

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.6 AU - 0.74 AU

Year: 372 Days

Day: 10.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,549,813 km

• M1: 187,596 km (0.077 R)
• M2: 977,024 km (0.11 R)
• M3: 1,658,741 km (0.057 R)
• M4: 2,302,162 km (0.104 R)
• M5: 3,188,080 km (0.082 R)
• M6: 3,698,807 km (0.089 R)
• M7: 4,168,395 km (0.089 R)
• M8: 4,692,885 km (0.072 R)
• M9: 5,471,991 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.2

Radius: 10.5

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.62 AU - 1 AU

Year: 494 Days

Day: 7 Hours

Environment

Temp: -167 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,549,813 km

• M1: 130,599 km (0.055 R)
• M2: 483,949 km (0.105 R)
• M3: 841,638 km (0.081 R)
• M4: 1,264,700 km (0.104 R)
• M5: 1,926,073 km (0.095 R)
• M6: 2,388,629 km (0.103 R)
• M7: 3,209,622 km (0.082 R)
• M8: 3,890,741 km (0.114 R)
• M9: 4,411,043 km (0.062 R)
• M10: 4,804,036 km (0.105 R)
• M11: 5,660,783 km (0.115 R)
• M12: 6,443,779 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.8

Radius: 10.5

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.03 AU - 1.13 AU

Year: 761 Days

Day: 10.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,549,813 km

• M1: 130,599 km (0.097 R)
• M2: 479,012 km (0.115 R)
• M3: 841,937 km (0.111 R)
• M4: 1,174,792 km (0.066 R)
• M5: 1,549,684 km (0.108 R)
• M6: 1,948,063 km (0.111 R)
• M7: 2,349,883 km (0.098 R)
• M8: 2,917,757 km (0.077 R)
• M9: 3,475,458 km (0.068 R)
• M10: 4,427,499 km (0.094 R)
• M11: 4,822,138 km (0.099 R)
• M12: 5,821,601 km (0.06 R)
• M13: 6,317,518 km (0.098 R)
• M14: 7,803,025 km (0.115 R)
• M15: 9,013,721 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.8

Radius: 9.3

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.23 AU - 1.31 AU

Year: 971 Days

Day: 7.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,549,813 km

• M1: 115,789 km (0.046 R)
• M2: 519,553 km (0.032 R)
• M3: 965,056 km (0.107 R)
• M4: 1,412,952 km (0.052 R)
• M5: 1,852,470 km (0.083 R)
• M6: 2,166,925 km (0.119 R)
• M7: 3,849,004 km (0.115 R)
• M8: 4,502,447 km (0.075 R)
• M9: 4,819,894 km (0.072 R)
• M10: 5,324,188 km (0.063 R)
• M11: 6,029,991 km (0.034 R)
• M12: 6,372,720 km (0.107 R)
• M13: 6,773,941 km (0.045 R)
• M14: 7,263,126 km (0.107 R)
• M15: 7,626,948 km (0.11 R)
• M16: 8,156,674 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.3

Radius: 13.3

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.03 AU - 2.63 AU

Year: 2412 Days

Day: 7.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,549,813 km

• M1: 165,455 km (0.102 R)
• M2: 896,839 km (0.067 R)
• M3: 1,995,336 km (0.108 R)
• M4: 2,438,445 km (0.066 R)
• M5: 3,599,026 km (0.101 R)
• M6: 4,027,025 km (0.086 R)
• M7: 4,986,695 km (0.102 R)
• M8: 6,301,960 km (0.076 R)
• M9: 6,899,753 km (0.119 R)
• M10: 7,387,442 km (0.044 R)
• M11: 9,892,010 km (0.115 R)
• M12: 10,327,938 km (0.085 R)
• M13: 11,122,003 km (0.051 R)
• M14: 11,633,628 km (0.044 R)
• M15: 13,839,598 km (0.079 R)
• M16: 14,664,331 km (0.081 R)
• M17: 15,814,888 km (0.083 R)
• M18: 17,232,029 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.1

Radius: 9.4

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.17 AU - 3.81 AU

Year: 4422 Days

Day: 9 Hours

Environment

Temp: -206 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,549,813 km

• M1: 117,734 km (0.091 R)
• M2: 521,199 km (0.116 R)
• M3: 902,973 km (0.054 R)
• M4: 1,246,449 km (0.107 R)
• M5: 2,097,961 km (0.06 R)
• M6: 2,496,040 km (0.101 R)
• M7: 2,910,277 km (0.071 R)
• M8: 3,223,685 km (0.116 R)
• M9: 6,463,526 km (0.026 R)
• M10: 10,024,853 km (0.103 R)
• M11: 10,581,805 km (0.114 R)
• M12: 10,992,152 km (0.107 R)
• M13: 13,064,831 km (0.093 R)
• M14: 13,394,395 km (0.11 R)
• M15: 15,912,576 km (0.111 R)
• M16: 16,451,577 km (0.095 R)
• M17: 20,762,688 km (0.111 R)
• M18: 21,997,170 km (0.026 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.2

Radius: 12.2

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.91 AU - 4.53 AU

Year: 4866 Days

Day: 8.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,549,813 km

• M1: 152,291 km (0.113 R)
• M2: 759,658 km (0.054 R)
• M3: 1,502,860 km (0.097 R)
• M4: 1,886,878 km (0.1 R)
• M5: 3,094,133 km (0.099 R)
• M6: 3,643,307 km (0.041 R)
• M7: 4,492,274 km (0.032 R)
• M8: 6,185,124 km (0.063 R)
• M9: 7,325,509 km (0.057 R)
• M10: 7,770,113 km (0.112 R)
• M11: 11,048,850 km (0.055 R)
• M12: 11,726,827 km (0.055 R)
• M13: 13,928,609 km (0.109 R)
• M14: 14,559,463 km (0.114 R)
• M15: 15,374,772 km (0.119 R)
• M16: 19,718,495 km (0.1 R)
• M17: 20,180,154 km (0.063 R)
• M18: 21,818,101 km (0.11 R)
• M19: 23,176,301 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.5

Radius: 9.5

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.71 AU - 3.95 AU

Year: 5084 Days

Day: 11.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,549,813 km

• M1: 118,332 km (0.086 R)
• M2: 451,935 km (0.066 R)
• M3: 750,233 km (0.088 R)
• M4: 1,678,488 km (0.082 R)
• M5: 2,648,929 km (0.094 R)
• M6: 3,437,011 km (0.075 R)
• M7: 4,245,438 km (0.057 R)
• M8: 4,615,693 km (0.116 R)
• M9: 5,175,338 km (0.049 R)
• M10: 6,628,831 km (0.073 R)
• M11: 7,280,480 km (0.106 R)
• M12: 8,039,390 km (0.119 R)
• M13: 9,203,560 km (0.088 R)
• M14: 10,090,526 km (0.108 R)
• M15: 10,398,548 km (0.032 R)
• M16: 10,912,417 km (0.102 R)
• M17: 11,948,382 km (0.101 R)
• M18: 12,293,355 km (0.117 R)
• M19: 12,733,920 km (0.079 R)
• M20: 14,311,131 km (0.073 R)
• M21: 15,807,409 km (0.116 R)
• M22: 16,328,608 km (0.079 R)
• M23: 16,915,181 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.6

Radius: 3.3

Gravity: 32.65 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.21 AU - 7.83 AU

Year: 11292 Days

Day: 15.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,549,813 km

• M1: 202,556 km (0.111 R)
• M2: 405,859 km (0.043 R)
• M3: 1,080,097 km (0.117 R)
• M4: 1,383,032 km (0.085 R)
• M5: 3,972,123 km (0.06 R)
• M6: 9,328,325 km (0.119 R)
• M7: 9,513,527 km (0.101 R)
• M8: 9,891,112 km (0.084 R)
• M9: 10,229,652 km (0.097 R)
• M10: 11,291,498 km (0.077 R)
• M11: 13,105,222 km (0.119 R)
• M12: 17,717,325 km (0.071 R)
• M13: 18,072,769 km (0.105 R)
• M14: 19,693,213 km (0.09 R)
• M15: 25,942,216 km (0.1 R)
• M16: 30,261,555 km (0.095 R)
• M17: 32,326,005 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573.9

Radius: 3.7

Gravity: 41.92 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 6.46 AU - 9.92 AU

Year: 15897 Days

Day: 19.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,549,813 km

• M1: 46,076 km (0.076 R)
• M2: 332,406 km (0.059 R)
• M3: 615,595 km (0.106 R)
• M4: 939,475 km (0.072 R)
• M5: 1,229,844 km (0.037 R)
• M6: 1,500,018 km (0.086 R)
• M7: 2,571,587 km (0.046 R)
• M8: 2,891,727 km (0.106 R)
• M9: 3,474,411 km (0.026 R)
• M10: 3,807,715 km (0.117 R)
• M11: 4,441,860 km (0.099 R)
• M12: 5,320,897 km (0.115 R)
• M13: 9,150,752 km (0.057 R)
• M14: 11,257,240 km (0.042 R)
• M15: 11,376,170 km (0.045 R)
• M16: 19,555,882 km (0.09 R)
• M17: 24,367,548 km (0.037 R)
• M18: 25,273,214 km (0.094 R)
• M19: 28,675,069 km (0.071 R)
• M20: 30,025,639 km (0.103 R)
• M21: 31,772,793 km (0.091 R)
• M22: 33,340,728 km (0.109 R)
• M23: 37,286,372 km (0.106 R)
• M24: 50,158,072 km (0.087 R)
• M25: 53,278,982 km (0.087 R)
• M26: 55,832,319 km (0.061 R)
• M27: 58,110,246 km (0.082 R)
• M28: 59,182,264 km (0.098 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 10,954 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit