🌌 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: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.55 AU - 0.73 AU

Year: 331 Days

Day: 25.3 Hours

Environment

Temp: -123 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,858,570 km

• M1: 332,706 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 243.9

Radius: 11.3

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.69 AU - 0.71 AU

Year: 378 Days

Day: 6 Hours

Environment

Temp: -138 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,858,570 km

• M1: 140,622 km (0.091 R)
• M2: 641,176 km (0.117 R)
• M3: 1,791,135 km (0.076 R)
• M4: 2,461,184 km (0.093 R)
• M5: 3,020,830 km (0.114 R)
• M6: 3,610,694 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.2

Radius: 8

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.91 AU - 2.19 AU

Year: 1895 Days

Day: 7.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,858,570 km

• M1: 102,175 km (0.073 R)
• M2: 401,521 km (0.09 R)
• M3: 661,821 km (0.081 R)
• M4: 914,941 km (0.047 R)
• M5: 1,399,039 km (0.074 R)
• M6: 1,648,569 km (0.092 R)
• M7: 2,128,329 km (0.086 R)
• M8: 2,448,169 km (0.05 R)
• M9: 2,712,509 km (0.079 R)
• M10: 3,382,408 km (0.076 R)
• M11: 3,729,475 km (0.097 R)
• M12: 4,177,371 km (0.098 R)
• M13: 4,981,160 km (0.033 R)
• M14: 5,293,521 km (0.042 R)
• M15: 5,762,660 km (0.076 R)
• M16: 6,107,333 km (0.12 R)
• M17: 7,480,642 km (0.069 R)
• M18: 7,891,138 km (0.095 R)
• M19: 8,821,487 km (0.065 R)
• M20: 10,935,604 km (0.049 R)
• M21: 11,426,435 km (0.106 R)
• M22: 12,130,143 km (0.107 R)
• M23: 13,154,889 km (0.111 R)
• M24: 13,753,430 km (0.102 R)
• M25: 15,705,532 km (0.056 R)

Asteroid Belt

Center: 4.18 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 531.1

Radius: 6.5

Gravity: 12.57 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.49 AU - 7.13 AU

Year: 10234 Days

Day: 21.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,858,570 km

• M1: 81,381 km (0.118 R)
• M2: 296,353 km (0.101 R)
• M3: 812,316 km (0.097 R)
• M4: 1,656,048 km (0.114 R)
• M5: 2,111,873 km (0.032 R)
• M6: 2,628,285 km (0.118 R)
• M7: 2,852,831 km (0.067 R)
• M8: 3,112,533 km (0.118 R)
• M9: 3,317,632 km (0.026 R)
• M10: 3,605,309 km (0.11 R)
• M11: 4,148,648 km (0.107 R)
• M12: 5,429,655 km (0.052 R)
• M13: 7,629,940 km (0.102 R)
• M14: 7,920,160 km (0.12 R)
• M15: 8,131,991 km (0.116 R)
• M16: 12,339,880 km (0.106 R)
• M17: 13,327,076 km (0.107 R)
• M18: 15,196,002 km (0.114 R)
• M19: 16,951,384 km (0.098 R)
• M20: 17,661,225 km (0.117 R)
• M21: 18,613,266 km (0.086 R)
• M22: 19,064,005 km (0.03 R)
• M23: 20,301,628 km (0.094 R)
• M24: 22,173,396 km (0.117 R)
• M25: 25,789,925 km (0.117 R)
• M26: 26,256,221 km (0.041 R)
• M27: 27,205,570 km (0.086 R)
• M28: 27,591,682 km (0.067 R)
• M29: 34,840,746 km (0.113 R)
• M30: 37,039,236 km (0.097 R)
• M31: 37,275,900 km (0.078 R)
• M32: 38,716,976 km (0.064 R)
• M33: 39,205,563 km (0.116 R)
• M34: 42,611,457 km (0.1 R)
• M35: 43,921,336 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 711.4

Radius: 4.8

Gravity: 30.88 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.15 AU - 8.71 AU

Year: 15804 Days

Day: 15.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 65,858,570 km

• M1: 60,288 km (0.087 R)
• M2: 314,305 km (0.044 R)
• M3: 594,053 km (0.114 R)
• M4: 839,543 km (0.068 R)
• M5: 1,112,709 km (0.047 R)
• M6: 1,298,061 km (0.111 R)
• M7: 3,259,289 km (0.117 R)
• M8: 5,218,572 km (0.112 R)
• M9: 6,015,779 km (0.101 R)
• M10: 9,472,537 km (0.072 R)
• M11: 10,192,103 km (0.089 R)
• M12: 10,478,284 km (0.104 R)
• M13: 14,486,459 km (0.106 R)
• M14: 15,590,192 km (0.11 R)
• M15: 19,235,743 km (0.098 R)
• M16: 21,581,438 km (0.117 R)
• M17: 22,148,563 km (0.104 R)
• M18: 23,411,319 km (0.103 R)
• M19: 24,927,194 km (0.073 R)
• M20: 28,716,358 km (0.073 R)
• M21: 29,749,332 km (0.034 R)
• M22: 33,875,241 km (0.09 R)
• M23: 35,548,493 km (0.102 R)
• M24: 36,206,574 km (0.042 R)
• M25: 41,620,222 km (0.112 R)
• M26: 43,988,805 km (0.082 R)
• M27: 49,155,018 km (0.07 R)
• M28: 53,671,378 km (0.109 R)
• M29: 56,296,072 km (0.115 R)
• M30: 58,092,593 km (0.093 R)
• M31: 59,004,991 km (0.08 R)
• M32: 61,799,628 km (0.086 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 20,217 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit