🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.41 AU - 0.65 AU

Year: 245 Days

Day: 39.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 3.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.2

Radius: 9.2

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.73 AU - 1.03 AU

Year: 525 Days

Day: 14.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,741,056 km

• M1: 116,387 km (0.118 R)
• M2: 423,811 km (0.025 R)
• M3: 758,910 km (0.065 R)
• M4: 1,408,763 km (0.089 R)
• M5: 2,064,002 km (0.089 R)
• M6: 2,560,368 km (0.09 R)
• M7: 3,234,456 km (0.116 R)
• M8: 3,535,446 km (0.034 R)
• M9: 4,440,663 km (0.089 R)
• M10: 4,962,760 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.9

Radius: 8

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.63 AU - 2.31 AU

Year: 1758 Days

Day: 8.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,741,056 km

• M1: 100,231 km (0.117 R)
• M2: 456,124 km (0.108 R)
• M3: 744,698 km (0.113 R)
• M4: 1,127,669 km (0.088 R)
• M5: 1,777,971 km (0.118 R)
• M6: 2,186,672 km (0.116 R)
• M7: 3,478,898 km (0.062 R)
• M8: 4,157,624 km (0.115 R)
• M9: 4,717,270 km (0.09 R)
• M10: 6,105,388 km (0.092 R)
• M11: 6,373,318 km (0.089 R)
• M12: 7,524,025 km (0.115 R)
• M13: 10,028,443 km (0.074 R)
• M14: 10,609,631 km (0.113 R)
• M15: 11,652,777 km (0.08 R)
• M16: 13,000,803 km (0.11 R)
• M17: 13,404,418 km (0.101 R)
• M18: 13,691,796 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.3

Radius: 11.8

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.16 AU - 6.78 AU

Year: 9275 Days

Day: 5.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 88,741,056 km

• M1: 146,905 km (0.117 R)
• M2: 908,209 km (0.092 R)
• M3: 1,410,558 km (0.098 R)
• M4: 3,288,909 km (0.098 R)
• M5: 5,303,544 km (0.106 R)
• M6: 6,610,730 km (0.034 R)
• M7: 7,991,668 km (0.099 R)
• M8: 8,432,383 km (0.084 R)
• M9: 9,362,433 km (0.099 R)
• M10: 10,103,990 km (0.113 R)
• M11: 11,098,965 km (0.115 R)
• M12: 11,536,988 km (0.118 R)
• M13: 13,101,333 km (0.06 R)
• M14: 14,606,886 km (0.079 R)
• M15: 15,401,400 km (0.118 R)
• M16: 19,338,068 km (0.109 R)
• M17: 20,296,093 km (0.045 R)
• M18: 21,453,531 km (0.087 R)
• M19: 24,909,691 km (0.089 R)
• M20: 25,378,082 km (0.095 R)
• M21: 32,457,203 km (0.083 R)
• M22: 33,128,748 km (0.068 R)
• M23: 33,581,580 km (0.115 R)
• M24: 36,505,920 km (0.111 R)
• M25: 37,476,511 km (0.112 R)
• M26: 39,723,321 km (0.057 R)
• M27: 42,190,639 km (0.109 R)
• M28: 43,665,075 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877.7

Radius: 4.7

Gravity: 39.73 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 9.89 AU - 11.51 AU

Year: 22254 Days

Day: 23.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 88,741,056 km

• M1: 65,973 km (0.086 R)
• M2: 449,691 km (0.072 R)
• M3: 601,982 km (0.096 R)
• M4: 2,089,882 km (0.106 R)
• M5: 3,333,190 km (0.109 R)
• M6: 4,196,071 km (0.078 R)
• M7: 4,735,072 km (0.107 R)
• M8: 5,441,323 km (0.091 R)
• M9: 5,734,086 km (0.08 R)
• M10: 6,488,957 km (0.078 R)
• M11: 6,866,243 km (0.084 R)
• M12: 8,193,625 km (0.097 R)
• M13: 12,456,117 km (0.066 R)
• M14: 13,038,352 km (0.09 R)
• M15: 15,549,203 km (0.103 R)
• M16: 18,928,020 km (0.116 R)
• M17: 21,296,454 km (0.065 R)
• M18: 22,658,393 km (0.103 R)
• M19: 25,670,396 km (0.059 R)
• M20: 26,256,072 km (0.078 R)
• M21: 27,943,087 km (0.091 R)
• M22: 28,189,924 km (0.103 R)
• M23: 29,191,481 km (0.098 R)
• M24: 31,798,972 km (0.108 R)
• M25: 35,704,225 km (0.045 R)
• M26: 40,702,888 km (0.114 R)
• M27: 41,498,749 km (0.07 R)
• M28: 41,981,351 km (0.062 R)
• M29: 43,286,144 km (0.083 R)
• M30: 43,616,606 km (0.074 R)
• M31: 48,955,155 km (0.098 R)
• M32: 52,808,946 km (0.11 R)
• M33: 56,662,587 km (0.103 R)
• M34: 60,082,095 km (0.06 R)
• M35: 61,321,065 km (0.116 R)
• M36: 69,565,852 km (0.078 R)
• M37: 71,621,327 km (0.072 R)
• M38: 77,542,411 km (0.085 R)
• M39: 77,785,806 km (0.118 R)
• M40: 78,519,135 km (0.09 R)
• M41: 83,270,513 km (0.079 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 10,939 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit