🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181

Radius: 12.9

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.44 AU - 0.58 AU

Year: 243 Days

Day: 5.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 24,824,131 km

• M1: 160,369 km (0.097 R)
• M2: 688,150 km (0.116 R)
• M3: 1,160,730 km (0.049 R)
• M4: 1,599,351 km (0.119 R)
• M5: 2,075,072 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.6

Radius: 14.5

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.07 AU - 1.31 AU

Year: 866 Days

Day: 11.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,824,131 km

• M1: 180,265 km (0.107 R)
• M2: 665,411 km (0.104 R)
• M3: 1,186,910 km (0.083 R)
• M4: 1,664,576 km (0.103 R)
• M5: 2,241,874 km (0.101 R)
• M6: 2,715,949 km (0.041 R)
• M7: 3,175,963 km (0.066 R)
• M8: 4,044,827 km (0.104 R)
• M9: 5,218,273 km (0.109 R)
• M10: 6,496,437 km (0.112 R)
• M11: 8,363,568 km (0.104 R)
• M12: 8,957,472 km (0.04 R)
• M13: 9,521,755 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.5

Radius: 13.4

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.01 AU - 1.53 AU

Year: 954 Days

Day: 5 Hours

Environment

Temp: -177 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,824,131 km

• M1: 166,652 km (0.103 R)
• M2: 788,530 km (0.088 R)
• M3: 1,293,872 km (0.101 R)
• M4: 2,205,222 km (0.112 R)
• M5: 2,711,910 km (0.028 R)
• M6: 3,964,044 km (0.112 R)
• M7: 4,488,385 km (0.101 R)
• M8: 4,993,278 km (0.096 R)
• M9: 5,677,688 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.3

Radius: 15

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.28 AU - 1.58 AU

Year: 1140 Days

Day: 7 Hours

Environment

Temp: -185 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,824,131 km

• M1: 186,997 km (0.113 R)
• M2: 657,333 km (0.081 R)
• M3: 1,165,816 km (0.104 R)
• M4: 1,747,752 km (0.081 R)
• M5: 2,405,085 km (0.114 R)
• M6: 3,000,335 km (0.055 R)
• M7: 3,568,358 km (0.076 R)
• M8: 4,156,128 km (0.104 R)
• M9: 5,159,930 km (0.09 R)
• M10: 5,827,735 km (0.089 R)
• M11: 6,366,137 km (0.098 R)
• M12: 7,779,538 km (0.093 R)
• M13: 8,574,800 km (0.093 R)
• M14: 9,453,987 km (0.117 R)
• M15: 10,328,087 km (0.114 R)
• M16: 11,289,703 km (0.118 R)
• M17: 11,987,128 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.8

Radius: 11.9

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.38 AU - 1.68 AU

Year: 1262 Days

Day: 14.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,824,131 km

• M1: 147,952 km (0.071 R)
• M2: 631,303 km (0.114 R)
• M3: 1,013,825 km (0.111 R)
• M4: 1,420,133 km (0.115 R)
• M5: 1,834,070 km (0.11 R)
• M6: 2,377,559 km (0.082 R)
• M7: 3,218,149 km (0.109 R)
• M8: 3,609,198 km (0.105 R)
• M9: 4,357,337 km (0.075 R)
• M10: 5,227,099 km (0.118 R)
• M11: 5,614,857 km (0.028 R)
• M12: 7,126,843 km (0.103 R)
• M13: 8,047,767 km (0.042 R)
• M14: 8,420,266 km (0.102 R)
• M15: 9,199,970 km (0.106 R)
• M16: 9,799,708 km (0.116 R)
• M17: 10,358,306 km (0.047 R)
• M18: 12,087,957 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.3

Radius: 15

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.84 AU - 2.74 AU

Year: 2311 Days

Day: 13.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 24,824,131 km

• M1: 186,549 km (0.078 R)
• M2: 1,222,963 km (0.089 R)
• M3: 2,003,265 km (0.069 R)
• M4: 2,808,401 km (0.059 R)
• M5: 3,482,040 km (0.088 R)
• M6: 5,659,437 km (0.081 R)
• M7: 7,071,791 km (0.104 R)
• M8: 8,302,383 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.7

Radius: 11.6

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.16 AU - 3.18 AU

Year: 3764 Days

Day: 11 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 24,824,131 km

• M1: 144,362 km (0.057 R)
• M2: 608,714 km (0.075 R)
• M3: 975,977 km (0.093 R)
• M4: 1,354,310 km (0.108 R)
• M5: 1,759,570 km (0.115 R)
• M6: 2,772,647 km (0.061 R)
• M7: 3,192,419 km (0.074 R)
• M8: 3,715,562 km (0.101 R)
• M9: 4,432,136 km (0.097 R)
• M10: 4,860,584 km (0.052 R)
• M11: 5,582,394 km (0.109 R)
• M12: 6,553,434 km (0.111 R)
• M13: 6,984,725 km (0.089 R)
• M14: 8,718,714 km (0.09 R)
• M15: 9,127,564 km (0.075 R)
• M16: 10,023,955 km (0.109 R)
• M17: 14,772,191 km (0.115 R)
• M18: 15,140,800 km (0.112 R)
• M19: 16,564,673 km (0.077 R)
• M20: 17,660,328 km (0.116 R)
• M21: 18,195,888 km (0.097 R)
• M22: 19,613,926 km (0.051 R)
• M23: 21,438,123 km (0.077 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: 451 - 20,318 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit