🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.1

Radius: 13.6

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.8 AU - 0.84 AU

Year: 495 Days

Day: 7.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 40,539,217 km

• M1: 169,195 km (0.116 R)
• M2: 639,381 km (0.098 R)
• M3: 1,111,213 km (0.095 R)
• M4: 1,773,034 km (0.108 R)
• M5: 2,409,274 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.9

Radius: 8.5

Gravity: 13.36 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.3 AU - 2.1 AU

Year: 1478 Days

Day: 10.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,539,217 km

• M1: 105,766 km (0.086 R)
• M2: 419,323 km (0.114 R)
• M3: 712,834 km (0.079 R)
• M4: 1,038,957 km (0.111 R)
• M5: 1,350,420 km (0.089 R)
• M6: 1,704,219 km (0.108 R)
• M7: 2,119,353 km (0.11 R)
• M8: 2,614,372 km (0.085 R)
• M9: 2,911,773 km (0.06 R)
• M10: 3,359,669 km (0.112 R)
• M11: 5,512,083 km (0.08 R)
• M12: 6,347,886 km (0.054 R)
• M13: 8,883,122 km (0.105 R)
• M14: 9,493,780 km (0.044 R)
• M15: 9,995,382 km (0.029 R)
• M16: 12,258,349 km (0.081 R)
• M17: 13,550,725 km (0.041 R)
• M18: 14,403,283 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.4

Radius: 13.4

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.9 AU - 2.26 AU

Year: 2000 Days

Day: 6.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 40,539,217 km

• M1: 188,194 km (0.057 R)
• M2: 1,702,274 km (0.112 R)
• M3: 2,145,383 km (0.098 R)
• M4: 4,611,953 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.4

Radius: 13.1

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.58 AU - 2.64 AU

Year: 2812 Days

Day: 14.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,539,217 km

• M1: 162,912 km (0.053 R)
• M2: 732,880 km (0.064 R)
• M3: 1,319,004 km (0.071 R)
• M4: 2,486,167 km (0.097 R)
• M5: 3,429,232 km (0.101 R)
• M6: 4,651,297 km (0.11 R)
• M7: 5,130,609 km (0.115 R)
• M8: 5,541,554 km (0.082 R)
• M9: 7,486,027 km (0.06 R)
• M10: 8,464,696 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.3

Radius: 14.1

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.54 AU - 3.12 AU

Year: 3175 Days

Day: 9.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,539,217 km

• M1: 175,329 km (0.086 R)
• M2: 627,413 km (0.055 R)
• M3: 1,146,817 km (0.11 R)
• M4: 1,591,721 km (0.104 R)
• M5: 2,115,314 km (0.116 R)
• M6: 2,933,315 km (0.043 R)
• M7: 4,314,103 km (0.113 R)
• M8: 5,426,663 km (0.049 R)
• M9: 6,993,102 km (0.097 R)
• M10: 9,615,403 km (0.094 R)
• M11: 10,472,001 km (0.086 R)
• M12: 14,119,047 km (0.105 R)
• M13: 16,174,073 km (0.036 R)
• M14: 16,883,017 km (0.079 R)
• M15: 17,385,965 km (0.05 R)
• M16: 17,898,787 km (0.07 R)
• M17: 21,126,810 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.7

Radius: 14.1

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.42 AU - 3.4 AU

Year: 3310 Days

Day: 11.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 173.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,539,217 km

• M1: 175,329 km (0.079 R)
• M2: 769,531 km (0.094 R)
• M3: 1,356,404 km (0.119 R)
• M4: 2,251,897 km (0.091 R)
• M5: 2,826,053 km (0.028 R)
• M6: 3,399,911 km (0.103 R)
• M7: 3,960,753 km (0.118 R)
• M8: 5,076,305 km (0.043 R)
• M9: 5,650,611 km (0.045 R)
• M10: 6,568,095 km (0.087 R)
• M11: 7,143,298 km (0.074 R)
• M12: 7,895,327 km (0.104 R)
• M13: 9,590,420 km (0.114 R)
• M14: 10,717,790 km (0.101 R)
• M15: 12,278,245 km (0.073 R)
• M16: 13,358,491 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.2

Radius: 8.4

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.86 AU - 5.58 AU

Year: 7953 Days

Day: 10.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,539,217 km

• M1: 104,419 km (0.111 R)
• M2: 491,130 km (0.115 R)
• M3: 1,680,433 km (0.117 R)
• M4: 2,100,803 km (0.107 R)
• M5: 4,336,842 km (0.045 R)
• M6: 5,172,047 km (0.068 R)
• M7: 5,726,606 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.6

Radius: 10.3

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.41 AU - 6.19 AU

Year: 8137 Days

Day: 13.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 40,539,217 km

• M1: 143,165 km (0.025 R)
• M2: 477,516 km (0.071 R)
• M3: 1,078,601 km (0.115 R)
• M4: 1,437,636 km (0.06 R)
• M5: 1,770,640 km (0.102 R)
• M6: 2,424,533 km (0.113 R)
• M7: 2,923,591 km (0.093 R)
• M8: 3,587,357 km (0.074 R)
• M9: 4,753,323 km (0.088 R)
• M10: 6,119,899 km (0.117 R)
• M11: 6,817,773 km (0.098 R)
• M12: 8,771,821 km (0.058 R)
• M13: 9,231,535 km (0.109 R)
• M14: 10,049,985 km (0.032 R)
• M15: 11,021,025 km (0.089 R)
• M16: 11,665,792 km (0.108 R)
• M17: 12,449,684 km (0.065 R)
• M18: 13,508,688 km (0.1 R)
• M19: 14,883,193 km (0.073 R)
• M20: 15,208,120 km (0.109 R)
• M21: 15,604,404 km (0.105 R)
• M22: 16,211,622 km (0.115 R)
• M23: 16,764,685 km (0.114 R)
• M24: 19,798,381 km (0.074 R)
• M25: 21,075,647 km (0.066 R)
• M26: 22,834,320 km (0.113 R)
• M27: 27,024,855 km (0.082 R)
• M28: 30,121,681 km (0.082 R)
• M29: 34,005,840 km (0.077 R)
• M30: 34,798,110 km (0.089 R)
• M31: 36,537,036 km (0.061 R)
• M32: 42,100,880 km (0.098 R)
• M33: 43,674,650 km (0.096 R)
• M34: 45,015,944 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 330.1

Radius: 5

Gravity: 13.2 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.05 AU - 8.07 AU

Year: 11204 Days

Day: 21.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,539,217 km

• M1: 62,532 km (0.093 R)
• M2: 310,266 km (0.086 R)
• M3: 806,931 km (0.076 R)
• M4: 2,179,641 km (0.109 R)
• M5: 3,510,164 km (0.075 R)
• M6: 6,506,909 km (0.058 R)
• M7: 8,291,013 km (0.078 R)
• M8: 10,231,597 km (0.034 R)
• M9: 14,919,695 km (0.084 R)
• M10: 15,107,291 km (0.077 R)
• M11: 15,743,830 km (0.068 R)
• M12: 18,254,830 km (0.1 R)
• M13: 19,049,793 km (0.102 R)
• M14: 36,097,966 km (0.062 R)
• M15: 38,627,217 km (0.101 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 459 - 10,721 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit