🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.8

Radius: 9.2

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.65 AU - 0.67 AU

Year: 364 Days

Day: 6.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,444,258 km

• M1: 114,442 km (0.078 R)
• M2: 431,739 km (0.065 R)
• M3: 1,103,284 km (0.113 R)
• M4: 1,546,543 km (0.058 R)
• M5: 1,873,414 km (0.106 R)
• M6: 2,473,152 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.6

Radius: 11.1

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.65 AU - 0.95 AU

Year: 485 Days

Day: 5.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,444,258 km

• M1: 138,079 km (0.116 R)
• M2: 609,013 km (0.103 R)
• M3: 1,005,896 km (0.075 R)
• M4: 1,501,215 km (0.063 R)
• M5: 1,978,133 km (0.094 R)
• M6: 2,371,874 km (0.095 R)
• M7: 2,972,061 km (0.073 R)
• M8: 3,504,330 km (0.118 R)
• M9: 3,982,744 km (0.085 R)
• M10: 4,602,827 km (0.06 R)
• M11: 4,981,160 km (0.028 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.1

Radius: 14.8

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.97 AU - 0.97 AU

Year: 648 Days

Day: 5.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,444,258 km

• M1: 184,005 km (0.103 R)
• M2: 732,880 km (0.111 R)
• M3: 1,266,645 km (0.036 R)
• M4: 1,802,355 km (0.102 R)
• M5: 2,330,286 km (0.114 R)
• M6: 3,364,007 km (0.094 R)
• M7: 3,887,001 km (0.056 R)
• M8: 4,766,338 km (0.074 R)
• M9: 5,555,167 km (0.076 R)
• M10: 6,271,292 km (0.1 R)
• M11: 7,133,874 km (0.114 R)
• M12: 7,706,534 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.8

Radius: 14.6

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.98 AU - 1.28 AU

Year: 815 Days

Day: 6.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,444,258 km

• M1: 182,360 km (0.12 R)
• M2: 688,449 km (0.092 R)
• M3: 1,181,075 km (0.109 R)
• M4: 2,005,509 km (0.119 R)
• M5: 3,177,608 km (0.08 R)
• M6: 3,854,389 km (0.108 R)
• M7: 4,591,308 km (0.079 R)
• M8: 5,152,450 km (0.119 R)
• M9: 6,770,500 km (0.114 R)
• M10: 7,500,239 km (0.055 R)
• M11: 8,545,629 km (0.101 R)
• M12: 9,484,355 km (0.111 R)
• M13: 10,038,316 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.2

Radius: 15

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.57 AU - 4.53 AU

Year: 5528 Days

Day: 5.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,444,258 km

• M1: 186,549 km (0.117 R)
• M2: 866,620 km (0.059 R)
• M3: 1,355,506 km (0.11 R)
• M4: 2,565,603 km (0.115 R)
• M5: 4,026,127 km (0.088 R)
• M6: 4,899,480 km (0.112 R)
• M7: 5,745,905 km (0.082 R)
• M8: 8,215,915 km (0.12 R)
• M9: 8,720,808 km (0.102 R)
• M10: 9,836,210 km (0.098 R)
• M11: 10,495,936 km (0.104 R)
• M12: 10,998,286 km (0.117 R)
• M13: 12,501,595 km (0.104 R)
• M14: 13,973,638 km (0.116 R)
• M15: 15,151,572 km (0.076 R)
• M16: 16,213,118 km (0.087 R)
• M17: 18,156,993 km (0.113 R)
• M18: 19,016,732 km (0.11 R)
• M19: 21,032,563 km (0.083 R)
• M20: 21,686,306 km (0.074 R)
• M21: 23,034,332 km (0.107 R)
• M22: 28,107,046 km (0.119 R)
• M23: 29,078,834 km (0.094 R)
• M24: 29,890,552 km (0.037 R)
• M25: 31,559,316 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.5

Radius: 8.8

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.88 AU - 4.32 AU

Year: 5631 Days

Day: 7.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,444,258 km

• M1: 118,781 km (0.031 R)
• M2: 704,606 km (0.114 R)
• M3: 1,336,358 km (0.104 R)
• M4: 2,273,888 km (0.042 R)
• M5: 2,808,550 km (0.083 R)
• M6: 3,196,458 km (0.077 R)
• M7: 4,079,983 km (0.102 R)
• M8: 4,425,105 km (0.109 R)
• M9: 4,870,308 km (0.075 R)
• M10: 5,259,113 km (0.086 R)
• M11: 7,271,653 km (0.116 R)
• M12: 8,788,277 km (0.101 R)
• M13: 11,882,110 km (0.101 R)
• M14: 14,139,841 km (0.055 R)
• M15: 15,281,422 km (0.115 R)
• M16: 16,177,215 km (0.117 R)
• M17: 17,942,320 km (0.097 R)
• M18: 23,219,086 km (0.066 R)
• M19: 23,530,698 km (0.071 R)
• M20: 31,778,028 km (0.044 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.6

Radius: 12.7

Gravity: 3.76 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.04 AU - 5.22 AU

Year: 6757 Days

Day: 8.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,444,258 km

• M1: 157,975 km (0.106 R)
• M2: 670,498 km (0.116 R)
• M3: 1,403,078 km (0.075 R)
• M4: 2,063,703 km (0.111 R)
• M5: 2,572,186 km (0.106 R)
• M6: 3,637,622 km (0.085 R)
• M7: 5,034,118 km (0.087 R)
• M8: 6,125,285 km (0.057 R)
• M9: 6,727,117 km (0.081 R)
• M10: 8,446,146 km (0.104 R)
• M11: 11,749,866 km (0.077 R)
• M12: 12,734,070 km (0.116 R)
• M13: 13,828,528 km (0.118 R)
• M14: 14,283,605 km (0.06 R)
• M15: 14,925,529 km (0.027 R)
• M16: 15,586,752 km (0.118 R)
• M17: 17,489,487 km (0.083 R)
• M18: 19,119,655 km (0.103 R)
• M19: 19,971,765 km (0.045 R)
• M20: 20,774,955 km (0.071 R)
• M21: 21,828,125 km (0.078 R)
• M22: 24,866,308 km (0.103 R)
• M23: 27,904,640 km (0.102 R)
• M24: 29,372,794 km (0.106 R)
• M25: 31,376,957 km (0.11 R)
• M26: 33,369,151 km (0.082 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 11,322 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit