🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.8

Radius: 14.2

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.55 AU - 0.63 AU

Year: 313 Days

Day: 8 Hours

Environment

Temp: -140 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,626,178 km

• M1: 178,021 km (0.113 R)
• M2: 670,049 km (0.082 R)
• M3: 1,116,150 km (0.093 R)
• M4: 1,647,073 km (0.051 R)
• M5: 2,717,445 km (0.105 R)
• M6: 3,380,014 km (0.107 R)
• M7: 4,710,239 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.5

Radius: 14.4

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.51 AU - 0.83 AU

Year: 379 Days

Day: 14 Hours

Environment

Temp: -166 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,626,178 km

• M1: 179,817 km (0.063 R)
• M2: 704,905 km (0.058 R)
• M3: 1,209,798 km (0.104 R)
• M4: 2,706,225 km (0.053 R)
• M5: 3,629,544 km (0.112 R)
• M6: 4,183,953 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.4

Radius: 13.2

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.47 AU - 1.47 AU

Year: 1230 Days

Day: 6 Hours

Environment

Temp: -196 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,626,178 km

• M1: 164,408 km (0.102 R)
• M2: 770,429 km (0.083 R)
• M3: 1,265,448 km (0.114 R)
• M4: 1,914,554 km (0.1 R)
• M5: 2,637,410 km (0.062 R)
• M6: 3,235,353 km (0.071 R)
• M7: 3,989,476 km (0.119 R)
• M8: 4,427,199 km (0.11 R)
• M9: 4,838,743 km (0.119 R)
• M10: 5,525,846 km (0.082 R)
• M11: 7,246,970 km (0.03 R)
• M12: 8,597,090 km (0.059 R)
• M13: 9,122,179 km (0.097 R)
• M14: 9,824,242 km (0.111 R)
• M15: 11,614,629 km (0.088 R)
• M16: 12,040,385 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568

Radius: 11.9

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.5 AU - 1.94 AU

Year: 1557 Days

Day: 5.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,626,178 km

• M1: 160,519 km (0.075 R)
• M2: 570,267 km (0.055 R)
• M3: 1,036,115 km (0.096 R)
• M4: 1,426,864 km (0.087 R)
• M5: 2,435,154 km (0.105 R)
• M6: 3,735,908 km (0.066 R)
• M7: 4,110,800 km (0.041 R)
• M8: 5,099,043 km (0.089 R)
• M9: 6,357,311 km (0.046 R)
• M10: 8,229,977 km (0.115 R)
• M11: 8,603,822 km (0.11 R)
• M12: 9,858,051 km (0.077 R)
• M13: 10,512,392 km (0.059 R)
• M14: 11,091,186 km (0.051 R)
• M15: 12,312,802 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.8

Radius: 8.1

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.6 AU - 4.7 AU

Year: 6921 Days

Day: 7.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 108.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,626,178 km

• M1: 100,679 km (0.108 R)
• M2: 357,090 km (0.113 R)
• M3: 750,682 km (0.083 R)
• M4: 1,353,262 km (0.088 R)
• M5: 1,856,061 km (0.079 R)
• M6: 2,182,483 km (0.103 R)
• M7: 2,971,612 km (0.027 R)
• M8: 3,707,185 km (0.111 R)
• M9: 4,057,393 km (0.062 R)
• M10: 4,429,743 km (0.097 R)
• M11: 5,564,742 km (0.112 R)
• M12: 8,515,859 km (0.099 R)
• M13: 9,085,677 km (0.113 R)
• M14: 9,465,356 km (0.114 R)
• M15: 10,121,493 km (0.103 R)
• M16: 11,282,073 km (0.073 R)
• M17: 11,919,360 km (0.025 R)
• M18: 13,319,596 km (0.076 R)
• M19: 15,058,821 km (0.096 R)
• M20: 17,262,547 km (0.052 R)
• M21: 18,374,358 km (0.071 R)
• M22: 20,451,525 km (0.058 R)
• M23: 21,995,674 km (0.09 R)
• M24: 26,066,382 km (0.043 R)
• M25: 29,959,517 km (0.114 R)
• M26: 30,238,367 km (0.053 R)
• M27: 32,335,729 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.6

Radius: 9

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.91 AU - 6.25 AU

Year: 7903 Days

Day: 6.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,626,178 km

• M1: 112,049 km (0.083 R)
• M2: 482,453 km (0.082 R)
• M3: 1,396,496 km (0.057 R)
• M4: 2,023,012 km (0.043 R)
• M5: 3,384,502 km (0.08 R)
• M6: 4,308,119 km (0.118 R)
• M7: 5,840,450 km (0.065 R)
• M8: 7,233,805 km (0.058 R)
• M9: 8,877,437 km (0.069 R)
• M10: 9,166,909 km (0.105 R)
• M11: 10,617,110 km (0.104 R)
• M12: 13,527,238 km (0.079 R)
• M13: 15,223,379 km (0.06 R)
• M14: 15,638,812 km (0.112 R)
• M15: 16,061,725 km (0.073 R)
• M16: 17,829,972 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 185.6

Radius: 3.6

Gravity: 14.32 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 8.88 AU - 10.52 AU

Year: 20853 Days

Day: 22.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,626,178 km

• M1: 57,446 km (0.091 R)
• M2: 180,565 km (0.11 R)
• M3: 3,660,062 km (0.11 R)
• M4: 6,520,373 km (0.061 R)
• M5: 8,053,901 km (0.117 R)
• M6: 9,461,467 km (0.065 R)
• M7: 14,389,370 km (0.088 R)
• M8: 15,394,369 km (0.103 R)
• M9: 26,925,822 km (0.115 R)
• M10: 27,426,675 km (0.068 R)
• M11: 37,165,048 km (0.07 R)
• M12: 42,325,576 km (0.117 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 13,329 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit