🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588.1

Radius: 8.3

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.71 AU - 1.11 AU

Year: 589 Days

Day: 8 Hours

Environment

Temp: -167 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,319,479 km

• M1: 103,223 km (0.089 R)
• M2: 389,403 km (0.063 R)
• M3: 713,881 km (0.06 R)
• M4: 1,143,227 km (0.11 R)
• M5: 1,442,123 km (0.113 R)
• M6: 1,737,579 km (0.114 R)
• M7: 2,064,600 km (0.059 R)
• M8: 2,442,784 km (0.073 R)
• M9: 2,866,445 km (0.112 R)
• M10: 3,289,208 km (0.109 R)
• M11: 3,847,956 km (0.029 R)
• M12: 4,288,821 km (0.1 R)
• M13: 5,170,701 km (0.065 R)
• M14: 5,672,452 km (0.107 R)
• M15: 6,149,669 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.7

Radius: 10.9

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.98 AU - 1.18 AU

Year: 761 Days

Day: 13.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,319,479 km

• M1: 136,134 km (0.096 R)
• M2: 591,211 km (0.1 R)
• M3: 1,056,460 km (0.099 R)
• M4: 1,515,875 km (0.036 R)
• M5: 1,971,850 km (0.061 R)
• M6: 2,655,661 km (0.101 R)
• M7: 3,137,965 km (0.076 R)
• M8: 4,279,247 km (0.094 R)
• M9: 5,580,300 km (0.057 R)
• M10: 6,878,809 km (0.102 R)
• M11: 8,190,633 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.5

Radius: 14.7

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.42 AU - 1.52 AU

Year: 1209 Days

Day: 9.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 55,319,479 km

• M1: 182,958 km (0.09 R)
• M2: 913,445 km (0.076 R)
• M3: 1,405,472 km (0.025 R)
• M4: 3,354,283 km (0.09 R)
• M5: 4,027,623 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.9

Radius: 12.4

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.85 AU - 2.66 AU

Year: 2289 Days

Day: 6.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,319,479 km

• M1: 154,235 km (0.101 R)
• M2: 654,491 km (0.055 R)
• M3: 1,170,454 km (0.046 R)
• M4: 1,933,104 km (0.08 R)
• M5: 2,461,334 km (0.107 R)
• M6: 3,962,399 km (0.119 R)
• M7: 5,297,261 km (0.106 R)
• M8: 5,778,218 km (0.088 R)
• M9: 6,447,369 km (0.119 R)
• M10: 7,283,023 km (0.079 R)
• M11: 10,484,417 km (0.037 R)
• M12: 11,206,676 km (0.107 R)
• M13: 12,665,853 km (0.1 R)
• M14: 15,326,003 km (0.053 R)
• M15: 17,749,189 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.1

Radius: 10.6

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.29 AU - 2.43 AU

Year: 2459 Days

Day: 5 Hours

Environment

Temp: -197 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,319,479 km

• M1: 131,945 km (0.086 R)
• M2: 562,937 km (0.099 R)
• M3: 1,026,092 km (0.117 R)
• M4: 1,890,468 km (0.109 R)
• M5: 3,031,750 km (0.078 R)
• M6: 4,300,490 km (0.056 R)
• M7: 5,259,113 km (0.088 R)
• M8: 6,026,999 km (0.108 R)
• M9: 6,579,314 km (0.102 R)
• M10: 6,926,681 km (0.066 R)
• M11: 7,286,314 km (0.091 R)
• M12: 8,782,442 km (0.12 R)
• M13: 10,630,574 km (0.117 R)
• M14: 11,029,103 km (0.085 R)
• M15: 11,687,782 km (0.103 R)
• M16: 12,285,426 km (0.065 R)
• M17: 14,636,207 km (0.056 R)
• M18: 15,788,709 km (0.096 R)
• M19: 18,330,377 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.9

Radius: 12.6

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.45 AU - 2.45 AU

Year: 2601 Days

Day: 6.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 55,319,479 km

• M1: 156,779 km (0.076 R)
• M2: 876,344 km (0.119 R)
• M3: 1,312,123 km (0.071 R)
• M4: 1,840,802 km (0.096 R)
• M5: 2,483,325 km (0.115 R)
• M6: 3,126,595 km (0.043 R)
• M7: 3,662,455 km (0.115 R)
• M8: 4,278,649 km (0.119 R)
• M9: 5,028,882 km (0.054 R)
• M10: 5,840,750 km (0.061 R)
• M11: 6,342,651 km (0.118 R)
• M12: 7,038,281 km (0.11 R)
• M13: 9,467,900 km (0.097 R)
• M14: 10,965,524 km (0.075 R)
• M15: 14,201,625 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.7

Radius: 14.5

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.71 AU - 5.91 AU

Year: 7155 Days

Day: 12.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,319,479 km

• M1: 180,265 km (0.096 R)
• M2: 735,274 km (0.105 R)
• M3: 1,954,795 km (0.072 R)
• M4: 2,439,343 km (0.105 R)
• M5: 3,452,420 km (0.108 R)
• M6: 3,944,746 km (0.099 R)
• M7: 5,043,692 km (0.062 R)
• M8: 5,938,138 km (0.11 R)
• M9: 7,118,764 km (0.047 R)
• M10: 8,245,087 km (0.12 R)
• M11: 11,502,431 km (0.057 R)
• M12: 12,021,685 km (0.077 R)
• M13: 12,556,647 km (0.074 R)
• M14: 13,219,515 km (0.108 R)
• M15: 14,435,746 km (0.064 R)
• M16: 15,287,257 km (0.086 R)
• M17: 21,426,305 km (0.101 R)
• M18: 21,896,640 km (0.065 R)
• M19: 25,210,981 km (0.111 R)
• M20: 26,535,970 km (0.045 R)
• M21: 28,186,483 km (0.111 R)
• M22: 30,197,527 km (0.113 R)
• M23: 30,988,301 km (0.094 R)
• M24: 32,818,033 km (0.109 R)
• M25: 35,368,377 km (0.066 R)
• M26: 36,803,769 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631.5

Radius: 3.4

Gravity: 54.63 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.77 AU - 8.49 AU

Year: 12913 Days

Day: 16.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,319,479 km

• M1: 46,076 km (0.085 R)
• M2: 178,321 km (0.077 R)
• M3: 364,720 km (0.045 R)
• M4: 591,660 km (0.077 R)
• M5: 1,922,333 km (0.118 R)
• M6: 2,686,329 km (0.114 R)
• M7: 3,553,548 km (0.12 R)
• M8: 4,406,555 km (0.098 R)
• M9: 7,680,953 km (0.114 R)
• M10: 13,473,083 km (0.105 R)
• M11: 13,602,635 km (0.064 R)
• M12: 16,891,993 km (0.079 R)
• M13: 17,577,002 km (0.108 R)
• M14: 19,247,112 km (0.046 R)
• M15: 20,502,987 km (0.107 R)
• M16: 21,107,212 km (0.076 R)
• M17: 23,176,301 km (0.11 R)
• M18: 27,607,689 km (0.059 R)
• M19: 30,076,502 km (0.107 R)
• M20: 30,297,907 km (0.109 R)
• M21: 32,223,681 km (0.101 R)
• M22: 33,157,620 km (0.062 R)
• M23: 33,393,835 km (0.075 R)
• M24: 34,229,638 km (0.096 R)
• M25: 41,150,634 km (0.097 R)
• M26: 49,101,013 km (0.1 R)
• M27: 52,548,047 km (0.096 R)
• M28: 53,353,333 km (0.097 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 18,911 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit