🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.2

Radius: 13.6

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.6 AU - 0.72 AU

Year: 377 Days

Day: 7.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,840,221 km

• M1: 169,195 km (0.104 R)
• M2: 598,840 km (0.083 R)
• M3: 1,025,493 km (0.098 R)
• M4: 1,630,467 km (0.054 R)
• M5: 2,066,246 km (0.115 R)
• M6: 2,841,612 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.7

Radius: 13.4

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.97 AU - 1.41 AU

Year: 912 Days

Day: 5.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,840,221 km

• M1: 166,652 km (0.099 R)
• M2: 944,711 km (0.062 R)
• M3: 1,408,913 km (0.102 R)
• M4: 2,002,068 km (0.098 R)
• M5: 2,490,805 km (0.065 R)
• M6: 3,156,066 km (0.064 R)
• M7: 3,909,142 km (0.095 R)
• M8: 4,382,619 km (0.098 R)
• M9: 4,811,816 km (0.102 R)
• M10: 6,351,327 km (0.112 R)
• M11: 6,987,717 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.6

Radius: 10

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.75 AU - 1.75 AU

Year: 1627 Days

Day: 9.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,840,221 km

• M1: 124,316 km (0.104 R)
• M2: 479,312 km (0.108 R)
• M3: 984,952 km (0.109 R)
• M4: 1,971,850 km (0.106 R)
• M5: 2,545,707 km (0.068 R)
• M6: 3,215,157 km (0.041 R)
• M7: 3,678,612 km (0.097 R)
• M8: 5,789,886 km (0.114 R)
• M9: 6,883,596 km (0.094 R)
• M10: 7,305,911 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.1

Radius: 10.3

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.21 AU - 4.15 AU

Year: 4962 Days

Day: 12.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,840,221 km

• M1: 128,355 km (0.096 R)
• M2: 824,284 km (0.065 R)
• M3: 1,562,251 km (0.07 R)
• M4: 2,452,507 km (0.068 R)
• M5: 3,049,253 km (0.119 R)
• M6: 4,063,377 km (0.103 R)
• M7: 4,819,894 km (0.084 R)
• M8: 5,697,585 km (0.104 R)
• M9: 6,745,368 km (0.072 R)
• M10: 7,657,616 km (0.101 R)
• M11: 8,143,659 km (0.068 R)
• M12: 9,512,779 km (0.065 R)
• M13: 10,889,379 km (0.096 R)
• M14: 14,255,630 km (0.102 R)
• M15: 14,705,919 km (0.106 R)
• M16: 16,912,937 km (0.115 R)
• M17: 20,093,836 km (0.049 R)
• M18: 20,660,214 km (0.079 R)
• M19: 25,416,977 km (0.084 R)
• M20: 25,829,718 km (0.096 R)
• M21: 28,489,418 km (0.092 R)
• M22: 28,845,461 km (0.103 R)
• M23: 30,391,555 km (0.1 R)
• M24: 31,801,216 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.4

Radius: 3.3

Gravity: 44.11 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.97 AU - 6.63 AU

Year: 11115 Days

Day: 19.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,840,221 km

• M1: 46,675 km (0.092 R)
• M2: 344,374 km (0.097 R)
• M3: 664,364 km (0.102 R)
• M4: 2,100,952 km (0.113 R)
• M5: 3,983,492 km (0.099 R)
• M6: 4,370,053 km (0.039 R)
• M7: 6,204,871 km (0.067 R)
• M8: 7,350,641 km (0.098 R)
• M9: 13,711,094 km (0.097 R)
• M10: 14,144,778 km (0.057 R)
• M11: 15,633,875 km (0.055 R)
• M12: 17,801,847 km (0.109 R)
• M13: 24,214,510 km (0.108 R)
• M14: 31,260,270 km (0.071 R)
• M15: 33,657,875 km (0.065 R)
• M16: 37,479,802 km (0.115 R)
• M17: 40,941,197 km (0.08 R)
• M18: 45,015,196 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.9

Radius: 7.9

Gravity: 13.7 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.62 AU - 8.98 AU

Year: 15313 Days

Day: 23.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,840,221 km

• M1: 98,286 km (0.105 R)
• M2: 405,859 km (0.101 R)
• M3: 696,677 km (0.099 R)
• M4: 1,416,093 km (0.085 R)
• M5: 1,683,126 km (0.118 R)
• M6: 2,695,305 km (0.103 R)
• M7: 3,766,575 km (0.099 R)
• M8: 5,503,556 km (0.081 R)
• M9: 6,849,339 km (0.079 R)
• M10: 8,759,105 km (0.079 R)
• M11: 9,126,517 km (0.066 R)
• M12: 10,818,768 km (0.091 R)
• M13: 11,119,909 km (0.089 R)
• M14: 12,446,244 km (0.051 R)
• M15: 13,387,065 km (0.065 R)
• M16: 17,961,319 km (0.062 R)
• M17: 20,413,826 km (0.092 R)
• M18: 22,103,385 km (0.075 R)
• M19: 23,380,202 km (0.07 R)
• M20: 24,292,450 km (0.114 R)
• M21: 25,439,417 km (0.111 R)
• M22: 27,616,515 km (0.095 R)
• M23: 28,635,576 km (0.103 R)
• M24: 31,353,619 km (0.107 R)
• M25: 37,433,426 km (0.115 R)
• M26: 41,846,713 km (0.097 R)
• M27: 48,362,149 km (0.063 R)
• M28: 50,007,427 km (0.038 R)
• M29: 53,235,449 km (0.11 R)
• M30: 63,358,289 km (0.072 R)
• M31: 63,748,739 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407.2

Radius: 3.1

Gravity: 42.37 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 8.57 AU - 10.03 AU

Year: 19936 Days

Day: 23.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,840,221 km

• M1: 39,943 km (0.116 R)
• M2: 262,544 km (0.093 R)
• M3: 363,224 km (0.07 R)
• M4: 794,813 km (0.088 R)
• M5: 1,225,805 km (0.092 R)
• M6: 1,659,938 km (0.061 R)
• M7: 2,892,924 km (0.093 R)
• M8: 3,065,111 km (0.076 R)
• M9: 3,823,273 km (0.054 R)
• M10: 4,308,419 km (0.09 R)
• M11: 6,289,394 km (0.078 R)
• M12: 6,963,033 km (0.105 R)
• M13: 7,453,265 km (0.049 R)
• M14: 7,683,496 km (0.116 R)
• M15: 10,084,991 km (0.106 R)
• M16: 10,197,040 km (0.069 R)
• M17: 11,424,191 km (0.093 R)
• M18: 12,811,711 km (0.03 R)
• M19: 14,879,303 km (0.1 R)
• M20: 18,298,064 km (0.115 R)
• M21: 20,545,622 km (0.059 R)
• M22: 21,272,518 km (0.12 R)
• M23: 23,852,333 km (0.109 R)
• M24: 26,740,171 km (0.096 R)
• M25: 39,082,593 km (0.059 R)
• M26: 42,197,221 km (0.097 R)
• M27: 49,720,199 km (0.08 R)
• M28: 53,540,180 km (0.092 R)
• M29: 58,629,500 km (0.108 R)
• M30: 61,570,744 km (0.072 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 374 - 19,162 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit