🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183

Radius: 10.4

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.45 AU - 0.69 AU

Year: 292 Days

Day: 13.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,068,290 km

• M1: 129,851 km (0.091 R)
• M2: 476,918 km (0.073 R)
• M3: 963,111 km (0.077 R)
• M4: 1,328,429 km (0.092 R)
• M5: 1,734,587 km (0.087 R)
• M6: 2,230,355 km (0.064 R)
• M7: 2,786,260 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.4

Radius: 10.5

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.57 AU - 0.57 AU

Year: 292 Days

Day: 5.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,068,290 km

• M1: 130,749 km (0.095 R)
• M2: 468,840 km (0.096 R)
• M3: 812,167 km (0.041 R)
• M4: 1,173,147 km (0.108 R)
• M5: 1,544,598 km (0.099 R)
• M6: 2,068,490 km (0.095 R)
• M7: 2,430,965 km (0.117 R)
• M8: 3,016,491 km (0.08 R)
• M9: 4,183,056 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.2

Radius: 13

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.62 AU - 0.74 AU

Year: 380 Days

Day: 5.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,068,290 km

• M1: 161,715 km (0.078 R)
• M2: 577,597 km (0.059 R)
• M3: 1,001,558 km (0.111 R)
• M4: 2,266,109 km (0.058 R)
• M5: 2,676,904 km (0.108 R)
• M6: 3,147,988 km (0.109 R)
• M7: 4,125,610 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.1

Radius: 13.2

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.84 AU - 1.1 AU

Year: 648 Days

Day: 12.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 52,068,290 km

• M1: 164,258 km (0.055 R)
• M2: 616,343 km (0.113 R)
• M3: 1,462,618 km (0.107 R)
• M4: 2,946,330 km (0.053 R)
• M5: 3,639,866 km (0.084 R)

Asteroid Belt

Center: 1.26 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.5

Radius: 13.6

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.46 AU - 1.64 AU

Year: 1309 Days

Day: 8.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,068,290 km

• M1: 173,085 km (0.095 R)
• M2: 650,900 km (0.062 R)
• M3: 1,105,079 km (0.085 R)
• M4: 1,800,261 km (0.101 R)
• M5: 2,911,773 km (0.105 R)
• M6: 3,954,321 km (0.077 R)
• M7: 4,383,666 km (0.109 R)
• M8: 5,274,223 km (0.072 R)
• M9: 6,449,912 km (0.073 R)
• M10: 7,467,926 km (0.055 R)
• M11: 8,590,508 km (0.117 R)
• M12: 11,997,600 km (0.035 R)
• M13: 12,483,643 km (0.111 R)
• M14: 13,217,570 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.8

Radius: 5.8

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.27 AU - 6.59 AU

Year: 11059 Days

Day: 23.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 158.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,068,290 km

• M1: 72,106 km (0.106 R)
• M2: 293,361 km (0.025 R)
• M3: 505,491 km (0.116 R)
• M4: 732,282 km (0.063 R)
• M5: 1,151,754 km (0.114 R)
• M6: 1,504,356 km (0.072 R)
• M7: 2,058,317 km (0.104 R)
• M8: 2,578,469 km (0.104 R)
• M9: 3,517,345 km (0.066 R)
• M10: 4,509,927 km (0.081 R)
• M11: 7,066,854 km (0.119 R)
• M12: 10,186,119 km (0.12 R)
• M13: 11,578,277 km (0.075 R)
• M14: 12,119,073 km (0.116 R)
• M15: 12,987,788 km (0.117 R)
• M16: 14,677,496 km (0.057 R)
• M17: 15,194,357 km (0.105 R)
• M18: 15,604,554 km (0.116 R)
• M19: 23,213,401 km (0.094 R)
• M20: 28,157,162 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 154.5

Radius: 4.3

Gravity: 8.36 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 9.28 AU - 12.18 AU

Year: 23839 Days

Day: 19.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 73.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,068,290 km

• M1: 54,154 km (0.1 R)
• M2: 202,406 km (0.106 R)
• M3: 427,401 km (0.053 R)
• M4: 592,408 km (0.111 R)
• M5: 846,874 km (0.112 R)
• M6: 1,283,101 km (0.115 R)
• M7: 1,430,006 km (0.093 R)
• M8: 2,062,057 km (0.111 R)
• M9: 2,460,137 km (0.051 R)
• M10: 2,731,208 km (0.1 R)
• M11: 3,068,252 km (0.08 R)
• M12: 4,424,207 km (0.112 R)
• M13: 4,888,709 km (0.044 R)
• M14: 5,216,029 km (0.11 R)
• M15: 6,477,588 km (0.111 R)
• M16: 7,241,285 km (0.082 R)
• M17: 10,045,497 km (0.083 R)
• M18: 12,211,674 km (0.106 R)
• M19: 14,010,888 km (0.114 R)
• M20: 15,697,604 km (0.109 R)
• M21: 16,480,898 km (0.038 R)
• M22: 18,047,936 km (0.108 R)
• M23: 21,474,774 km (0.11 R)
• M24: 23,067,393 km (0.119 R)
• M25: 23,799,974 km (0.082 R)
• M26: 25,796,358 km (0.029 R)
• M27: 31,548,246 km (0.115 R)
• M28: 34,660,929 km (0.119 R)
• M29: 35,985,618 km (0.111 R)
• M30: 48,561,114 km (0.091 R)
• M31: 48,859,712 km (0.087 R)
• M32: 50,676,428 km (0.108 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 12,505 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit