🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.58 AU - 0.7 AU

Year: 336 Days

Day: 19.7 Hours

Environment

Temp: -125 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,100,611 km

• M1: 71,807 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.7

Radius: 14.1

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.76 AU - 0.96 AU

Year: 523 Days

Day: 13 Hours

Environment

Temp: -140 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,100,611 km

• M1: 175,628 km (0.084 R)
• M2: 638,783 km (0.038 R)
• M3: 1,114,055 km (0.077 R)
• M4: 2,085,843 km (0.094 R)
• M5: 3,002,878 km (0.095 R)
• M6: 3,567,760 km (0.083 R)
• M7: 4,117,981 km (0.099 R)
• M8: 4,849,813 km (0.086 R)
• M9: 5,684,719 km (0.077 R)
• M10: 6,458,439 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.1

Radius: 9.2

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.8 AU - 1.1 AU

Year: 607 Days

Day: 13.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,100,611 km

• M1: 114,442 km (0.109 R)
• M2: 435,330 km (0.095 R)
• M3: 891,603 km (0.078 R)
• M4: 1,179,130 km (0.118 R)
• M5: 1,590,225 km (0.047 R)
• M6: 1,881,343 km (0.104 R)
• M7: 2,170,216 km (0.082 R)
• M8: 2,616,616 km (0.101 R)
• M9: 3,172,522 km (0.108 R)
• M10: 3,777,346 km (0.107 R)
• M11: 4,793,265 km (0.082 R)
• M12: 5,112,208 km (0.099 R)
• M13: 5,626,376 km (0.076 R)
• M14: 6,696,150 km (0.118 R)
• M15: 7,074,184 km (0.081 R)
• M16: 7,444,140 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.4

Radius: 9.4

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.97 AU - 1.01 AU

Year: 646 Days

Day: 10 Hours

Environment

Temp: -161 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,100,611 km

• M1: 116,986 km (0.11 R)
• M2: 428,000 km (0.05 R)
• M3: 821,741 km (0.069 R)
• M4: 1,175,241 km (0.06 R)
• M5: 1,589,178 km (0.097 R)
• M6: 1,936,245 km (0.114 R)
• M7: 2,306,949 km (0.11 R)
• M8: 2,755,144 km (0.116 R)
• M9: 3,082,015 km (0.1 R)
• M10: 3,458,404 km (0.116 R)
• M11: 4,087,313 km (0.117 R)
• M12: 4,542,988 km (0.09 R)
• M13: 5,425,765 km (0.048 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.7

Radius: 10.4

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.6 AU - 3.82 AU

Year: 3773 Days

Day: 14.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,100,611 km

• M1: 129,402 km (0.1 R)
• M2: 527,332 km (0.102 R)
• M3: 1,882,988 km (0.054 R)
• M4: 2,320,712 km (0.079 R)
• M5: 3,208,126 km (0.093 R)
• M6: 5,073,612 km (0.119 R)
• M7: 5,514,626 km (0.078 R)
• M8: 9,758,269 km (0.054 R)
• M9: 10,172,506 km (0.114 R)
• M10: 11,820,925 km (0.099 R)
• M11: 12,819,939 km (0.084 R)
• M12: 15,999,642 km (0.113 R)
• M13: 16,364,960 km (0.107 R)
• M14: 18,504,060 km (0.074 R)
• M15: 18,906,777 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.7

Radius: 8.8

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.05 AU - 4.47 AU

Year: 5768 Days

Day: 11 Hours

Environment

Temp: -216 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,100,611 km

• M1: 109,954 km (0.092 R)
• M2: 473,178 km (0.12 R)
• M3: 747,241 km (0.114 R)
• M4: 1,282,503 km (0.044 R)
• M5: 1,768,995 km (0.09 R)
• M6: 2,513,543 km (0.089 R)
• M7: 2,809,598 km (0.11 R)
• M8: 3,297,885 km (0.079 R)
• M9: 4,755,716 km (0.05 R)
• M10: 5,159,481 km (0.08 R)
• M11: 7,633,231 km (0.069 R)
• M12: 8,993,824 km (0.073 R)
• M13: 10,095,014 km (0.085 R)
• M14: 10,425,476 km (0.074 R)
• M15: 11,639,762 km (0.117 R)
• M16: 13,534,269 km (0.104 R)
• M17: 16,576,491 km (0.086 R)
• M18: 22,123,730 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.3

Radius: 11.3

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.13 AU - 6.13 AU

Year: 7622 Days

Day: 11.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 41,100,611 km

• M1: 140,622 km (0.088 R)
• M2: 678,875 km (0.113 R)
• M3: 1,088,773 km (0.089 R)
• M4: 1,750,445 km (0.098 R)
• M5: 2,514,591 km (0.045 R)
• M6: 4,024,332 km (0.096 R)
• M7: 4,670,446 km (0.064 R)
• M8: 5,229,942 km (0.08 R)
• M9: 6,342,651 km (0.071 R)
• M10: 8,215,317 km (0.091 R)
• M11: 9,621,836 km (0.097 R)
• M12: 10,236,833 km (0.036 R)
• M13: 11,234,202 km (0.107 R)
• M14: 12,793,760 km (0.09 R)
• M15: 13,363,578 km (0.057 R)
• M16: 13,950,301 km (0.119 R)
• M17: 14,493,042 km (0.103 R)
• M18: 16,140,264 km (0.066 R)
• M19: 16,873,443 km (0.044 R)
• M20: 19,653,121 km (0.083 R)
• M21: 21,112,149 km (0.102 R)
• M22: 22,477,678 km (0.119 R)
• M23: 23,224,022 km (0.059 R)
• M24: 24,158,560 km (0.104 R)
• M25: 27,486,664 km (0.098 R)
• M26: 29,113,541 km (0.086 R)
• M27: 30,000,357 km (0.113 R)
• M28: 33,193,524 km (0.074 R)
• M29: 36,606,300 km (0.063 R)
• M30: 38,691,844 km (0.078 R)
• M31: 39,404,229 km (0.11 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 17,333 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit