🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.63 AU - 0.85 AU

Year: 229 Days

Day: 29 Hours

Environment

Temp: 157 °C

Axial Tilt: 28.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,999,752 km

• M1: 395,836 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.86 AU - 1.32 AU

Year: 410 Days

Day: 33.1 Hours

Environment

Temp: 20 °C

Axial Tilt: 27.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.56 AU - 2.96 AU

Year: 1650 Days

Day: 31.8 Hours

Environment

Temp: -97 °C

Axial Tilt: 6.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,999,752 km

• M1: 37,399 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.9

Radius: 11.4

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.25 AU - 6.37 AU

Year: 5040 Days

Day: 11.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,999,752 km

• M1: 141,819 km (0.116 R)
• M2: 618,737 km (0.105 R)
• M3: 1,216,679 km (0.11 R)
• M4: 1,580,651 km (0.069 R)
• M5: 2,018,823 km (0.078 R)
• M6: 3,980,650 km (0.106 R)
• M7: 4,725,647 km (0.032 R)
• M8: 5,420,080 km (0.115 R)
• M9: 5,821,601 km (0.03 R)
• M10: 6,398,151 km (0.091 R)
• M11: 7,214,657 km (0.097 R)
• M12: 9,580,547 km (0.099 R)
• M13: 10,255,532 km (0.108 R)
• M14: 10,871,876 km (0.08 R)
• M15: 13,587,526 km (0.093 R)
• M16: 14,169,761 km (0.114 R)
• M17: 16,726,538 km (0.03 R)
• M18: 17,581,041 km (0.114 R)
• M19: 19,443,534 km (0.037 R)
• M20: 19,979,693 km (0.07 R)
• M21: 20,663,655 km (0.099 R)
• M22: 26,874,659 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.1

Radius: 8.6

Gravity: 12.06 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.86 AU - 5.88 AU

Year: 5118 Days

Day: 7.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,999,752 km

• M1: 107,561 km (0.105 R)
• M2: 597,943 km (0.063 R)
• M3: 1,160,431 km (0.056 R)
• M4: 1,513,930 km (0.072 R)
• M5: 1,881,642 km (0.076 R)
• M6: 2,391,172 km (0.038 R)
• M7: 2,912,371 km (0.109 R)
• M8: 3,507,322 km (0.066 R)
• M9: 3,868,900 km (0.103 R)
• M10: 4,535,658 km (0.068 R)
• M11: 4,855,797 km (0.077 R)
• M12: 7,104,253 km (0.098 R)
• M13: 7,610,792 km (0.088 R)
• M14: 8,063,924 km (0.118 R)
• M15: 10,558,468 km (0.087 R)
• M16: 11,074,730 km (0.096 R)
• M17: 11,706,333 km (0.115 R)
• M18: 13,417,732 km (0.085 R)
• M19: 22,396,746 km (0.118 R)
• M20: 23,014,436 km (0.089 R)
• M21: 24,364,706 km (0.098 R)
• M22: 25,851,110 km (0.061 R)
• M23: 26,788,790 km (0.116 R)
• M24: 28,192,766 km (0.101 R)
• M25: 29,830,264 km (0.051 R)
• M26: 30,202,464 km (0.044 R)
• M27: 31,626,336 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 899.8

Radius: 7.6

Gravity: 15.58 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 12.5 AU - 16.16 AU

Year: 19523 Days

Day: 15.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 81,999,752 km

• M1: 100,530 km (0.083 R)
• M2: 371,003 km (0.09 R)
• M3: 897,288 km (0.114 R)
• M4: 1,157,439 km (0.087 R)
• M5: 2,154,808 km (0.116 R)
• M6: 3,487,126 km (0.117 R)
• M7: 4,696,176 km (0.113 R)
• M8: 5,028,134 km (0.111 R)
• M9: 6,381,995 km (0.112 R)
• M10: 8,015,005 km (0.083 R)
• M11: 9,849,075 km (0.06 R)
• M12: 10,088,880 km (0.051 R)
• M13: 10,394,210 km (0.08 R)
• M14: 11,087,596 km (0.052 R)
• M15: 12,014,355 km (0.054 R)
• M16: 12,288,268 km (0.103 R)
• M17: 12,566,520 km (0.097 R)
• M18: 17,347,369 km (0.059 R)
• M19: 18,052,723 km (0.093 R)
• M20: 24,728,528 km (0.096 R)
• M21: 26,651,758 km (0.037 R)
• M22: 32,219,641 km (0.036 R)
• M23: 34,648,213 km (0.1 R)
• M24: 36,619,614 km (0.083 R)
• M25: 44,270,348 km (0.032 R)
• M26: 47,096,402 km (0.096 R)
• M27: 48,987,618 km (0.105 R)
• M28: 50,394,586 km (0.106 R)
• M29: 52,372,719 km (0.107 R)
• M30: 54,029,365 km (0.115 R)
• M31: 56,867,536 km (0.076 R)
• M32: 71,432,684 km (0.042 R)
• M33: 75,078,683 km (0.09 R)
• M34: 76,009,182 km (0.089 R)
• M35: 78,846,755 km (0.058 R)

Kuiper Belt

Range: 30.5 - 52.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 13,038 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit