🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.7

Radius: 10.1

Gravity: 8.43 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.26 AU - 1.76 AU

Year: 1237 Days

Day: 7 Hours

Environment

Temp: -192 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,291,699 km

• M1: 126,709 km (0.11 R)
• M2: 500,704 km (0.045 R)
• M3: 1,245,851 km (0.067 R)
• M4: 2,039,767 km (0.109 R)
• M5: 2,871,531 km (0.081 R)
• M6: 3,584,814 km (0.116 R)
• M7: 5,706,261 km (0.092 R)
• M8: 6,020,417 km (0.105 R)
• M9: 6,417,449 km (0.067 R)
• M10: 6,906,784 km (0.113 R)
• M11: 10,417,397 km (0.113 R)
• M12: 12,724,496 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.3

Radius: 10.9

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.75 AU - 4.15 AU

Year: 4273 Days

Day: 6.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,291,699 km

• M1: 135,536 km (0.067 R)
• M2: 617,540 km (0.115 R)
• M3: 1,125,126 km (0.113 R)
• M4: 1,471,594 km (0.069 R)
• M5: 1,936,993 km (0.101 R)
• M6: 2,541,817 km (0.091 R)
• M7: 3,022,775 km (0.106 R)
• M8: 3,745,931 km (0.074 R)
• M9: 4,148,798 km (0.048 R)
• M10: 4,496,164 km (0.079 R)
• M11: 4,929,699 km (0.047 R)
• M12: 6,535,482 km (0.038 R)
• M13: 7,958,457 km (0.075 R)
• M14: 9,196,679 km (0.1 R)
• M15: 13,814,915 km (0.097 R)
• M16: 14,269,842 km (0.09 R)
• M17: 14,876,162 km (0.105 R)
• M18: 15,596,924 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404

Radius: 11.2

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.02 AU - 4.06 AU

Year: 4442 Days

Day: 7.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,291,699 km

• M1: 146,606 km (0.116 R)
• M2: 780,003 km (0.101 R)
• M3: 1,375,702 km (0.111 R)
• M4: 1,789,789 km (0.115 R)
• M5: 2,147,926 km (0.112 R)
• M6: 2,760,230 km (0.084 R)
• M7: 3,563,272 km (0.059 R)
• M8: 4,868,214 km (0.12 R)
• M9: 5,683,074 km (0.106 R)
• M10: 7,261,331 km (0.044 R)
• M11: 8,749,231 km (0.114 R)
• M12: 9,413,147 km (0.066 R)
• M13: 12,685,151 km (0.077 R)
• M14: 13,439,574 km (0.115 R)
• M15: 17,495,321 km (0.085 R)
• M16: 17,958,626 km (0.094 R)
• M17: 22,915,103 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.4

Radius: 14.8

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.52 AU - 3.72 AU

Year: 4593 Days

Day: 13.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,291,699 km

• M1: 184,155 km (0.096 R)
• M2: 787,184 km (0.12 R)
• M3: 1,737,430 km (0.075 R)
• M4: 2,205,671 km (0.054 R)
• M5: 2,808,700 km (0.062 R)
• M6: 4,510,226 km (0.109 R)
• M7: 4,984,302 km (0.112 R)
• M8: 5,731,543 km (0.114 R)
• M9: 6,203,674 km (0.102 R)
• M10: 7,290,203 km (0.115 R)
• M11: 8,394,535 km (0.091 R)
• M12: 9,265,643 km (0.099 R)
• M13: 10,076,763 km (0.043 R)
• M14: 12,937,523 km (0.079 R)
• M15: 14,452,650 km (0.104 R)
• M16: 16,083,417 km (0.115 R)
• M17: 18,305,543 km (0.065 R)
• M18: 18,967,664 km (0.092 R)
• M19: 19,833,536 km (0.045 R)
• M20: 20,985,440 km (0.117 R)
• M21: 21,644,269 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.4

Radius: 9

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.08 AU - 4.34 AU

Year: 5760 Days

Day: 14.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,291,699 km

• M1: 111,899 km (0.042 R)
• M2: 738,116 km (0.093 R)
• M3: 2,243,818 km (0.069 R)
• M4: 3,661,258 km (0.027 R)
• M5: 5,551,727 km (0.038 R)
• M6: 7,692,771 km (0.094 R)
• M7: 7,986,881 km (0.114 R)
• M8: 13,061,540 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.9

Radius: 10.9

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.19 AU - 5.39 AU

Year: 8114 Days

Day: 8.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,291,699 km

• M1: 135,536 km (0.106 R)
• M2: 719,267 km (0.119 R)
• M3: 1,764,806 km (0.115 R)
• M4: 2,351,379 km (0.077 R)
• M5: 3,023,523 km (0.109 R)
• M6: 3,819,234 km (0.1 R)
• M7: 5,119,987 km (0.054 R)
• M8: 5,603,039 km (0.051 R)
• M9: 6,149,370 km (0.094 R)
• M10: 7,424,094 km (0.073 R)
• M11: 8,004,234 km (0.113 R)
• M12: 9,745,553 km (0.06 R)
• M13: 10,973,004 km (0.09 R)
• M14: 12,784,484 km (0.115 R)
• M15: 15,395,865 km (0.059 R)
• M16: 16,021,184 km (0.086 R)
• M17: 16,663,408 km (0.079 R)
• M18: 17,189,543 km (0.044 R)
• M19: 21,494,820 km (0.09 R)
• M20: 22,039,805 km (0.114 R)
• M21: 23,401,745 km (0.067 R)
• M22: 24,904,156 km (0.062 R)
• M23: 26,028,534 km (0.103 R)
• M24: 28,658,314 km (0.098 R)
• M25: 33,288,518 km (0.05 R)
• M26: 34,228,741 km (0.068 R)
• M27: 35,834,973 km (0.084 R)
• M28: 36,491,409 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763.4

Radius: 5.1

Gravity: 29.35 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.23 AU - 8.77 AU

Year: 13697 Days

Day: 19.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,291,699 km

• M1: 64,327 km (0.093 R)
• M2: 278,402 km (0.055 R)
• M3: 663,467 km (0.116 R)
• M4: 878,439 km (0.111 R)
• M5: 1,043,296 km (0.104 R)
• M6: 1,295,518 km (0.101 R)
• M7: 2,013,887 km (0.111 R)
• M8: 2,304,106 km (0.077 R)
• M9: 3,318,230 km (0.118 R)
• M10: 3,639,866 km (0.106 R)
• M11: 4,070,857 km (0.118 R)
• M12: 4,999,710 km (0.07 R)
• M13: 5,279,159 km (0.075 R)
• M14: 8,822,534 km (0.111 R)
• M15: 9,178,877 km (0.094 R)
• M16: 9,704,713 km (0.06 R)
• M17: 10,029,640 km (0.071 R)
• M18: 10,194,796 km (0.095 R)
• M19: 11,342,959 km (0.111 R)
• M20: 11,886,598 km (0.096 R)
• M21: 12,766,682 km (0.079 R)
• M22: 16,340,875 km (0.076 R)
• M23: 17,427,404 km (0.045 R)
• M24: 28,016,091 km (0.087 R)
• M25: 29,119,375 km (0.05 R)
• M26: 30,828,232 km (0.106 R)
• M27: 31,884,841 km (0.114 R)
• M28: 33,576,344 km (0.093 R)
• M29: 39,416,945 km (0.103 R)
• M30: 47,896,750 km (0.081 R)
• M31: 49,154,120 km (0.088 R)
• M32: 50,594,748 km (0.085 R)
• M33: 51,407,064 km (0.069 R)
• M34: 53,392,228 km (0.057 R)
• M35: 54,914,237 km (0.108 R)
• M36: 56,464,968 km (0.059 R)
• M37: 58,934,680 km (0.113 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: 248 - 12,731 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit