🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.7

Radius: 13.1

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.79 AU - 1.15 AU

Year: 637 Days

Day: 12.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,296,295 km

• M1: 162,912 km (0.095 R)
• M2: 624,122 km (0.069 R)
• M3: 1,054,216 km (0.049 R)
• M4: 1,584,391 km (0.09 R)
• M5: 2,019,870 km (0.108 R)
• M6: 2,546,605 km (0.105 R)
• M7: 2,959,943 km (0.05 R)
• M8: 3,938,613 km (0.082 R)
• M9: 4,464,449 km (0.085 R)
• M10: 5,105,327 km (0.102 R)
• M11: 6,369,728 km (0.105 R)
• M12: 7,118,764 km (0.054 R)
• M13: 7,764,129 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.4

Radius: 14.7

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.05 AU - 1.39 AU

Year: 899 Days

Day: 12.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,296,295 km

• M1: 182,809 km (0.105 R)
• M2: 733,628 km (0.101 R)
• M3: 2,081,206 km (0.115 R)
• M4: 2,952,164 km (0.082 R)
• M5: 3,509,117 km (0.044 R)
• M6: 4,008,026 km (0.046 R)
• M7: 4,676,729 km (0.106 R)
• M8: 5,360,840 km (0.09 R)
• M9: 5,880,842 km (0.116 R)
• M10: 6,679,395 km (0.101 R)
• M11: 8,101,473 km (0.08 R)
• M12: 8,573,454 km (0.106 R)
• M13: 9,063,686 km (0.068 R)
• M14: 9,775,622 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.2

Radius: 9.6

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.37 AU - 2.25 AU

Year: 1624 Days

Day: 11.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,296,295 km

• M1: 119,379 km (0.118 R)
• M2: 576,401 km (0.044 R)
• M3: 932,593 km (0.108 R)
• M4: 1,361,640 km (0.044 R)
• M5: 1,805,198 km (0.078 R)
• M6: 2,468,365 km (0.117 R)
• M7: 2,773,245 km (0.074 R)
• M8: 3,118,368 km (0.102 R)
• M9: 3,948,486 km (0.116 R)
• M10: 5,493,683 km (0.102 R)
• M11: 5,901,038 km (0.115 R)
• M12: 6,956,600 km (0.085 R)
• M13: 7,379,962 km (0.082 R)
• M14: 8,603,523 km (0.03 R)
• M15: 9,406,116 km (0.077 R)
• M16: 9,990,445 km (0.079 R)
• M17: 10,633,267 km (0.074 R)
• M18: 13,161,770 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.1

Radius: 13.6

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 4.03 AU - 5.21 AU

Year: 6622 Days

Day: 7.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,296,295 km

• M1: 169,494 km (0.089 R)
• M2: 609,163 km (0.095 R)
• M3: 1,470,697 km (0.075 R)
• M4: 2,495,741 km (0.035 R)
• M5: 2,949,771 km (0.102 R)
• M6: 4,334,748 km (0.105 R)
• M7: 4,910,849 km (0.086 R)
• M8: 5,353,210 km (0.086 R)
• M9: 6,560,315 km (0.096 R)
• M10: 6,988,614 km (0.116 R)
• M11: 7,588,950 km (0.107 R)
• M12: 9,374,401 km (0.081 R)
• M13: 10,341,850 km (0.109 R)
• M14: 13,135,441 km (0.116 R)
• M15: 13,818,804 km (0.096 R)
• M16: 14,465,815 km (0.098 R)
• M17: 17,325,827 km (0.111 R)
• M18: 22,817,565 km (0.115 R)
• M19: 26,133,252 km (0.086 R)
• M20: 27,306,399 km (0.099 R)
• M21: 28,703,343 km (0.086 R)
• M22: 29,179,513 km (0.11 R)
• M23: 31,136,852 km (0.099 R)
• M24: 36,299,923 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.7

Radius: 10.4

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.4 AU - 5.1 AU

Year: 6904 Days

Day: 11 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,296,295 km

• M1: 129,851 km (0.084 R)
• M2: 599,289 km (0.097 R)
• M3: 2,686,479 km (0.056 R)
• M4: 3,338,875 km (0.063 R)
• M5: 5,708,056 km (0.101 R)
• M6: 9,025,389 km (0.093 R)
• M7: 9,526,243 km (0.116 R)
• M8: 9,854,461 km (0.117 R)
• M9: 12,816,947 km (0.083 R)
• M10: 13,626,571 km (0.099 R)
• M11: 16,934,479 km (0.081 R)
• M12: 17,556,806 km (0.112 R)
• M13: 17,909,109 km (0.084 R)
• M14: 20,586,761 km (0.098 R)
• M15: 24,470,023 km (0.065 R)
• M16: 24,821,428 km (0.08 R)
• M17: 27,001,668 km (0.045 R)
• M18: 32,052,840 km (0.036 R)
• M19: 33,434,526 km (0.046 R)
• M20: 35,637,055 km (0.115 R)
• M21: 36,888,741 km (0.105 R)
• M22: 39,119,544 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.2

Radius: 12

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.97 AU - 5.51 AU

Year: 7999 Days

Day: 14.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,296,295 km

• M1: 149,747 km (0.116 R)
• M2: 1,803,402 km (0.076 R)
• M3: 2,867,791 km (0.057 R)
• M4: 4,398,925 km (0.086 R)
• M5: 6,150,417 km (0.11 R)
• M6: 7,417,511 km (0.087 R)
• M7: 8,354,293 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 460

Radius: 7.4

Gravity: 8.4 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 6.91 AU - 11.43 AU

Year: 18518 Days

Day: 20.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,296,295 km

• M1: 92,003 km (0.082 R)
• M2: 498,759 km (0.103 R)
• M3: 774,319 km (0.104 R)
• M4: 1,164,919 km (0.116 R)
• M5: 1,665,623 km (0.079 R)
• M6: 1,974,991 km (0.106 R)
• M7: 3,241,935 km (0.099 R)
• M8: 3,615,182 km (0.111 R)
• M9: 4,076,692 km (0.115 R)
• M10: 4,808,225 km (0.067 R)
• M11: 5,152,300 km (0.075 R)
• M12: 5,439,379 km (0.112 R)
• M13: 6,865,794 km (0.084 R)
• M14: 7,804,521 km (0.066 R)
• M15: 8,329,011 km (0.094 R)
• M16: 13,139,031 km (0.118 R)
• M17: 15,820,872 km (0.098 R)
• M18: 18,763,163 km (0.089 R)
• M19: 20,855,140 km (0.106 R)
• M20: 21,864,178 km (0.116 R)
• M21: 23,291,940 km (0.083 R)
• M22: 27,837,172 km (0.087 R)
• M23: 28,499,442 km (0.076 R)
• M24: 29,285,429 km (0.09 R)
• M25: 34,307,280 km (0.051 R)
• M26: 36,624,700 km (0.059 R)
• M27: 37,956,271 km (0.11 R)
• M28: 39,874,265 km (0.093 R)
• M29: 42,579,294 km (0.084 R)
• M30: 54,281,737 km (0.047 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 13,014 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit