🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.46 AU - 0.58 AU

Year: 242 Days

Day: 18 Hours

Environment

Temp: -119 °C

Axial Tilt: 29.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 93,265,540 km

• M1: 89,759 km (0.073 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.5 AU - 0.54 AU

Year: 242 Days

Day: 31.1 Hours

Environment

Temp: -115 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 93,265,540 km

• M1: 155,731 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.3

Radius: 8.4

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.69 AU - 1.07 AU

Year: 533 Days

Day: 6.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 93,265,540 km

• M1: 104,419 km (0.094 R)
• M2: 384,167 km (0.107 R)
• M3: 690,993 km (0.111 R)
• M4: 964,009 km (0.098 R)
• M5: 1,341,444 km (0.062 R)
• M6: 1,740,422 km (0.039 R)
• M7: 2,063,104 km (0.048 R)
• M8: 2,324,302 km (0.117 R)
• M9: 2,851,186 km (0.12 R)
• M10: 3,210,969 km (0.092 R)
• M11: 3,662,605 km (0.081 R)
• M12: 4,871,954 km (0.077 R)
• M13: 5,291,426 km (0.106 R)
• M14: 5,617,550 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.4

Radius: 13.5

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1 AU - 1.2 AU

Year: 745 Days

Day: 12.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 93,265,540 km

• M1: 167,849 km (0.104 R)
• M2: 653,743 km (0.086 R)
• M3: 1,154,746 km (0.063 R)
• M4: 1,660,686 km (0.061 R)
• M5: 2,399,251 km (0.103 R)
• M6: 2,998,689 km (0.092 R)
• M7: 3,596,782 km (0.071 R)
• M8: 4,534,311 km (0.073 R)
• M9: 5,142,427 km (0.111 R)
• M10: 5,706,411 km (0.026 R)
• M11: 7,162,148 km (0.068 R)
• M12: 7,964,890 km (0.119 R)
• M13: 8,489,978 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 64.6

Radius: 5.3

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.61 AU - 7.47 AU

Year: 9585 Days

Day: 17 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 93,265,540 km

• M1: 65,973 km (0.118 R)
• M2: 303,534 km (0.084 R)
• M3: 695,780 km (0.118 R)
• M4: 934,089 km (0.106 R)
• M5: 1,368,970 km (0.104 R)
• M6: 1,566,140 km (0.084 R)
• M7: 1,842,597 km (0.117 R)
• M8: 2,123,991 km (0.056 R)
• M9: 3,739,348 km (0.114 R)
• M10: 5,792,430 km (0.065 R)
• M11: 6,144,583 km (0.118 R)
• M12: 9,531,778 km (0.087 R)
• M13: 10,490,401 km (0.111 R)
• M14: 12,243,090 km (0.111 R)
• M15: 18,308,535 km (0.052 R)
• M16: 18,655,602 km (0.1 R)
• M17: 20,210,672 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.5

Radius: 4.7

Gravity: 38.68 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.64 AU - 7.42 AU

Year: 12035 Days

Day: 15.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 93,265,540 km

• M1: 58,792 km (0.091 R)
• M2: 251,324 km (0.065 R)
• M3: 452,234 km (0.11 R)
• M4: 614,099 km (0.05 R)
• M5: 874,848 km (0.085 R)
• M6: 1,168,509 km (0.077 R)
• M7: 2,060,561 km (0.099 R)
• M8: 2,212,104 km (0.081 R)
• M9: 2,734,499 km (0.084 R)
• M10: 4,137,279 km (0.09 R)
• M11: 6,428,221 km (0.115 R)
• M12: 8,259,149 km (0.102 R)
• M13: 8,546,227 km (0.116 R)
• M14: 12,281,985 km (0.068 R)
• M15: 17,132,696 km (0.087 R)
• M16: 17,443,112 km (0.118 R)
• M17: 17,599,741 km (0.054 R)
• M18: 19,637,563 km (0.116 R)
• M19: 27,523,315 km (0.093 R)
• M20: 31,399,247 km (0.07 R)
• M21: 32,215,752 km (0.081 R)
• M22: 33,046,319 km (0.073 R)
• M23: 34,012,871 km (0.039 R)
• M24: 37,414,427 km (0.116 R)
• M25: 39,533,332 km (0.03 R)
• M26: 44,153,812 km (0.089 R)
• M27: 44,737,243 km (0.074 R)
• M28: 51,658,688 km (0.085 R)
• M29: 53,123,550 km (0.114 R)
• M30: 58,032,006 km (0.039 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 966.2

Radius: 3.4

Gravity: 83.58 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 9.83 AU - 11.73 AU

Year: 22853 Days

Day: 25 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 93,265,540 km

• M1: 43,234 km (0.118 R)
• M2: 169,794 km (0.049 R)
• M3: 309,219 km (0.079 R)
• M4: 585,975 km (0.051 R)
• M5: 691,890 km (0.084 R)
• M6: 1,347,129 km (0.107 R)
• M7: 1,836,763 km (0.076 R)
• M8: 1,960,031 km (0.11 R)
• M9: 2,132,817 km (0.116 R)
• M10: 2,900,852 km (0.06 R)
• M11: 3,937,266 km (0.1 R)
• M12: 4,575,451 km (0.045 R)
• M13: 6,235,090 km (0.108 R)
• M14: 6,467,266 km (0.06 R)
• M15: 7,351,239 km (0.066 R)
• M16: 9,175,585 km (0.114 R)
• M17: 9,475,978 km (0.03 R)
• M18: 9,721,019 km (0.077 R)
• M19: 9,907,568 km (0.118 R)
• M20: 15,552,344 km (0.107 R)
• M21: 16,501,692 km (0.066 R)
• M22: 19,188,320 km (0.079 R)
• M23: 27,087,986 km (0.117 R)
• M24: 28,206,080 km (0.081 R)
• M25: 31,608,534 km (0.061 R)
• M26: 33,267,126 km (0.117 R)
• M27: 34,117,739 km (0.07 R)
• M28: 34,548,581 km (0.109 R)
• M29: 35,862,499 km (0.099 R)
• M30: 37,665,602 km (0.119 R)
• M31: 38,434,535 km (0.086 R)
• M32: 45,656,821 km (0.051 R)
• M33: 48,131,469 km (0.093 R)
• M34: 50,322,480 km (0.117 R)
• M35: 52,008,747 km (0.056 R)
• M36: 53,153,769 km (0.076 R)
• M37: 55,098,990 km (0.037 R)
• M38: 75,755,015 km (0.102 R)
• M39: 81,493,590 km (0.08 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 357 - 14,354 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit