🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.6

Radius: 9.9

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.43 AU - 0.67 AU

Year: 277 Days

Day: 14.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 7,493,646 km

• M1: 123,269 km (0.102 R)
• M2: 471,832 km (0.086 R)
• M3: 819,198 km (0.101 R)
• M4: 1,232,537 km (0.042 R)
• M5: 1,802,954 km (0.031 R)
• M6: 2,428,273 km (0.063 R)
• M7: 2,849,540 km (0.106 R)
• M8: 3,279,784 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.1

Radius: 10.9

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.52 AU - 0.62 AU

Year: 292 Days

Day: 5.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 7,493,646 km

• M1: 135,536 km (0.028 R)
• M2: 477,068 km (0.096 R)
• M3: 888,312 km (0.116 R)
• M4: 1,461,272 km (0.08 R)
• M5: 1,871,021 km (0.08 R)
• M6: 2,320,562 km (0.08 R)
• M7: 2,757,986 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.9

Radius: 8.7

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.47 AU - 0.69 AU

Year: 300 Days

Day: 13.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 7,493,646 km

• M1: 108,159 km (0.116 R)
• M2: 448,195 km (0.063 R)
• M3: 796,010 km (0.062 R)
• M4: 1,240,466 km (0.095 R)
• M5: 1,634,207 km (0.078 R)
• M6: 1,914,105 km (0.107 R)
• M7: 2,401,943 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.4

Radius: 14

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.48 AU - 0.78 AU

Year: 339 Days

Day: 6.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 7,493,646 km

• M1: 174,132 km (0.062 R)
• M2: 623,225 km (0.026 R)
• M3: 1,118,693 km (0.061 R)
• M4: 1,706,014 km (0.093 R)
• M5: 2,282,564 km (0.096 R)
• M6: 2,930,622 km (0.104 R)
• M7: 3,393,628 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.6

Radius: 10.2

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.99 AU - 1.19 AU

Year: 772 Days

Day: 12 Hours

Environment

Temp: -169 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 7,493,646 km

• M1: 127,457 km (0.101 R)
• M2: 911,051 km (0.094 R)
• M3: 1,355,806 km (0.078 R)
• M4: 1,683,126 km (0.075 R)
• M5: 2,557,376 km (0.104 R)
• M6: 2,916,710 km (0.064 R)
• M7: 3,512,708 km (0.12 R)
• M8: 3,899,268 km (0.07 R)
• M9: 4,234,966 km (0.074 R)
• M10: 4,623,472 km (0.113 R)
• M11: 6,256,183 km (0.117 R)
• M12: 6,654,113 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.1

Radius: 8.1

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.54 AU - 1.82 AU

Year: 1477 Days

Day: 14.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 7,493,646 km

• M1: 108,458 km (0.116 R)
• M2: 475,123 km (0.103 R)
• M3: 819,048 km (0.105 R)
• M4: 1,229,844 km (0.108 R)
• M5: 2,457,444 km (0.085 R)
• M6: 2,758,435 km (0.118 R)
• M7: 3,083,960 km (0.114 R)
• M8: 3,702,099 km (0.055 R)
• M9: 4,217,912 km (0.063 R)
• M10: 5,012,725 km (0.052 R)
• M11: 5,680,830 km (0.11 R)
• M12: 6,229,704 km (0.107 R)
• M13: 7,107,844 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.2

Radius: 12.1

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.74 AU - 2.48 AU

Year: 2079 Days

Day: 6.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 7,493,646 km

• M1: 150,645 km (0.099 R)
• M2: 541,694 km (0.077 R)
• M3: 1,033,272 km (0.1 R)
• M4: 2,094,819 km (0.112 R)
• M5: 2,707,123 km (0.054 R)
• M6: 3,876,081 km (0.102 R)
• M7: 5,379,839 km (0.046 R)
• M8: 5,822,798 km (0.12 R)
• M9: 6,210,705 km (0.11 R)
• M10: 6,671,018 km (0.088 R)
• M11: 7,271,354 km (0.091 R)
• M12: 9,083,583 km (0.109 R)
• M13: 10,261,367 km (0.062 R)
• M14: 11,740,740 km (0.094 R)
• M15: 12,446,842 km (0.095 R)
• M16: 15,166,980 km (0.092 R)
• M17: 15,804,865 km (0.07 R)
• M18: 17,345,275 km (0.067 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.3

Radius: 9.3

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.21 AU - 2.21 AU

Year: 2228 Days

Day: 6.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 7,493,646 km

• M1: 117,285 km (0.094 R)
• M2: 900,430 km (0.062 R)
• M3: 1,222,813 km (0.119 R)
• M4: 1,814,473 km (0.097 R)
• M5: 2,130,423 km (0.078 R)
• M6: 2,574,729 km (0.119 R)
• M7: 3,053,741 km (0.103 R)
• M8: 4,062,629 km (0.116 R)
• M9: 5,036,960 km (0.109 R)
• M10: 5,355,753 km (0.114 R)
• M11: 5,748,149 km (0.118 R)
• M12: 6,054,824 km (0.058 R)
• M13: 6,723,826 km (0.033 R)
• M14: 8,892,247 km (0.105 R)

Planet 9 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.2

Radius: 12.4

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.73 AU - 3.15 AU

Year: 3419 Days

Day: 5.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 7,493,646 km

• M1: 154,235 km (0.111 R)
• M2: 594,352 km (0.052 R)
• M3: 994,676 km (0.099 R)
• M4: 1,427,463 km (0.079 R)
• M5: 2,026,752 km (0.101 R)
• M6: 2,490,505 km (0.053 R)
• M7: 4,670,296 km (0.113 R)
• M8: 6,030,141 km (0.11 R)
• M9: 6,786,807 km (0.084 R)
• M10: 8,039,390 km (0.112 R)
• M11: 8,595,894 km (0.073 R)
• M12: 9,516,669 km (0.064 R)
• M13: 9,981,469 km (0.066 R)
• M14: 11,040,772 km (0.073 R)
• M15: 11,510,958 km (0.092 R)
• M16: 12,128,647 km (0.066 R)
• M17: 12,721,953 km (0.057 R)
• M18: 13,238,963 km (0.091 R)
• M19: 14,315,319 km (0.119 R)
• M20: 15,448,972 km (0.092 R)
• M21: 15,983,784 km (0.107 R)
• M22: 20,652,734 km (0.109 R)

Planet 10 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.5

Radius: 12.5

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.75 AU - 3.21 AU

Year: 3489 Days

Day: 10.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 7,493,646 km

• M1: 158,424 km (0.111 R)
• M2: 1,895,854 km (0.09 R)
• M3: 3,045,513 km (0.094 R)
• M4: 3,440,751 km (0.084 R)
• M5: 5,944,421 km (0.079 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 13,880 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit