🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.8

Radius: 12.7

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.44 AU - 0.6 AU

Year: 250 Days

Day: 8.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,297,371 km

• M1: 157,975 km (0.081 R)
• M2: 591,959 km (0.059 R)
• M3: 996,621 km (0.1 R)
• M4: 1,426,266 km (0.1 R)
• M5: 1,968,858 km (0.096 R)
• M6: 2,415,557 km (0.086 R)
• M7: 2,868,689 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.5

Radius: 14.6

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.67 AU - 0.85 AU

Year: 442 Days

Day: 10.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 95.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,297,371 km

• M1: 181,612 km (0.06 R)
• M2: 701,764 km (0.082 R)
• M3: 1,167,013 km (0.077 R)
• M4: 2,173,807 km (0.062 R)
• M5: 2,834,281 km (0.105 R)
• M6: 3,501,338 km (0.117 R)
• M7: 4,851,758 km (0.051 R)
• M8: 5,586,284 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.3

Radius: 9.9

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.81 AU - 0.97 AU

Year: 560 Days

Day: 11.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,297,371 km

• M1: 123,119 km (0.118 R)
• M2: 528,978 km (0.111 R)
• M3: 1,205,460 km (0.064 R)
• M4: 1,959,134 km (0.11 R)
• M5: 2,713,257 km (0.085 R)
• M6: 4,405,358 km (0.087 R)
• M7: 5,783,154 km (0.074 R)
• M8: 6,206,217 km (0.12 R)
• M9: 6,649,625 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.5

Radius: 14

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.21 AU - 1.95 AU

Year: 1324 Days

Day: 10.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,297,371 km

• M1: 176,825 km (0.047 R)
• M2: 694,433 km (0.118 R)
• M3: 1,600,099 km (0.098 R)
• M4: 2,137,604 km (0.059 R)
• M5: 2,689,919 km (0.06 R)
• M6: 3,698,957 km (0.088 R)
• M7: 4,228,533 km (0.11 R)
• M8: 5,294,119 km (0.084 R)
• M9: 6,340,407 km (0.103 R)
• M10: 7,257,741 km (0.059 R)
• M11: 8,120,920 km (0.112 R)
• M12: 8,606,814 km (0.085 R)
• M13: 9,112,006 km (0.078 R)
• M14: 9,605,530 km (0.093 R)
• M15: 11,021,474 km (0.039 R)
• M16: 12,876,188 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.6

Radius: 8

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.45 AU - 2.61 AU

Year: 2684 Days

Day: 8 Hours

Environment

Temp: -200 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 30,297,371 km

• M1: 99,483 km (0.072 R)
• M2: 388,206 km (0.103 R)
• M3: 929,302 km (0.059 R)
• M4: 1,311,525 km (0.059 R)
• M5: 1,656,946 km (0.11 R)
• M6: 1,931,757 km (0.093 R)
• M7: 2,435,902 km (0.108 R)
• M8: 2,734,200 km (0.09 R)
• M9: 3,153,523 km (0.109 R)
• M10: 3,491,315 km (0.118 R)
• M11: 4,422,263 km (0.101 R)
• M12: 5,557,411 km (0.057 R)
• M13: 6,051,683 km (0.105 R)
• M14: 6,362,248 km (0.111 R)
• M15: 7,563,220 km (0.106 R)
• M16: 8,422,510 km (0.103 R)
• M17: 10,333,772 km (0.117 R)
• M18: 11,273,845 km (0.099 R)
• M19: 11,705,136 km (0.083 R)
• M20: 12,434,425 km (0.067 R)
• M21: 13,584,833 km (0.087 R)
• M22: 14,118,299 km (0.11 R)
• M23: 15,179,696 km (0.069 R)
• M24: 15,464,979 km (0.09 R)
• M25: 16,145,051 km (0.099 R)

Asteroid Belt

Center: 4.69 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45.2

Radius: 5.7

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.72 AU - 6.98 AU

Year: 11955 Days

Day: 15.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,297,371 km

• M1: 70,909 km (0.095 R)
• M2: 448,794 km (0.084 R)
• M3: 675,883 km (0.103 R)
• M4: 2,446,075 km (0.084 R)
• M5: 3,111,187 km (0.11 R)
• M6: 3,495,354 km (0.112 R)
• M7: 3,768,670 km (0.083 R)
• M8: 6,408,922 km (0.115 R)
• M9: 6,999,984 km (0.107 R)
• M10: 11,205,629 km (0.087 R)
• M11: 11,500,486 km (0.098 R)
• M12: 12,194,022 km (0.111 R)
• M13: 13,616,099 km (0.107 R)
• M14: 14,293,329 km (0.117 R)
• M15: 19,553,339 km (0.109 R)
• M16: 20,854,542 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.5

Radius: 4.3

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.97 AU - 8.79 AU

Year: 14751 Days

Day: 22.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,297,371 km

• M1: 55,351 km (0.108 R)
• M2: 248,033 km (0.05 R)
• M3: 411,993 km (0.083 R)
• M4: 668,852 km (0.088 R)
• M5: 837,898 km (0.061 R)
• M6: 1,190,500 km (0.079 R)
• M7: 1,889,272 km (0.085 R)
• M8: 2,262,369 km (0.034 R)
• M9: 2,629,781 km (0.032 R)
• M10: 3,833,894 km (0.115 R)
• M11: 4,041,835 km (0.107 R)
• M12: 5,057,904 km (0.103 R)
• M13: 5,566,387 km (0.102 R)
• M14: 5,863,339 km (0.034 R)
• M15: 8,206,790 km (0.062 R)
• M16: 11,483,581 km (0.074 R)
• M17: 11,818,830 km (0.095 R)
• M18: 12,160,512 km (0.096 R)
• M19: 12,408,695 km (0.117 R)
• M20: 13,646,767 km (0.094 R)
• M21: 25,253,766 km (0.094 R)
• M22: 26,395,348 km (0.07 R)
• M23: 27,827,298 km (0.079 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 14,564 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit