🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.7

Radius: 8.8

Gravity: 11.66 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.91 AU - 0.95 AU

Year: 588 Days

Day: 13 Hours

Environment

Temp: -161 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,706,755 km

• M1: 109,506 km (0.081 R)
• M2: 460,163 km (0.093 R)
• M3: 955,033 km (0.031 R)
• M4: 1,276,668 km (0.101 R)
• M5: 2,193,703 km (0.03 R)
• M6: 2,764,120 km (0.085 R)
• M7: 3,299,381 km (0.103 R)
• M8: 3,989,626 km (0.119 R)
• M9: 4,739,709 km (0.064 R)
• M10: 5,131,057 km (0.117 R)
• M11: 6,115,411 km (0.116 R)
• M12: 7,309,202 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.3

Radius: 9.5

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.92 AU - 1.2 AU

Year: 716 Days

Day: 8.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 159.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,706,755 km

• M1: 119,230 km (0.041 R)
• M2: 526,884 km (0.087 R)
• M3: 1,051,673 km (0.095 R)
• M4: 1,574,218 km (0.114 R)
• M5: 2,303,358 km (0.077 R)
• M6: 2,774,143 km (0.074 R)
• M7: 3,401,257 km (0.057 R)
• M8: 4,089,258 km (0.048 R)
• M9: 4,450,537 km (0.093 R)
• M10: 4,816,004 km (0.1 R)
• M11: 7,333,288 km (0.09 R)
• M12: 7,892,185 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.5

Radius: 8.1

Gravity: 14.2 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.97 AU - 1.41 AU

Year: 852 Days

Day: 5 Hours

Environment

Temp: -165 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,706,755 km

• M1: 100,679 km (0.025 R)
• M2: 354,098 km (0.119 R)
• M3: 654,790 km (0.08 R)
• M4: 1,059,452 km (0.045 R)
• M5: 1,388,418 km (0.105 R)
• M6: 1,721,273 km (0.073 R)
• M7: 2,055,924 km (0.089 R)
• M8: 2,365,890 km (0.12 R)
• M9: 2,621,553 km (0.088 R)
• M10: 3,697,611 km (0.095 R)
• M11: 4,191,882 km (0.112 R)
• M12: 4,621,826 km (0.098 R)
• M13: 5,234,280 km (0.108 R)
• M14: 5,815,916 km (0.066 R)
• M15: 6,069,036 km (0.036 R)
• M16: 6,826,300 km (0.063 R)
• M17: 7,373,230 km (0.103 R)
• M18: 8,026,375 km (0.092 R)
• M19: 8,690,290 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.7

Radius: 10.6

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.43 AU - 1.61 AU

Year: 1229 Days

Day: 7.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,706,755 km

• M1: 133,292 km (0.089 R)
• M2: 466,745 km (0.113 R)
• M3: 809,773 km (0.119 R)
• M4: 1,174,942 km (0.06 R)
• M5: 1,562,699 km (0.048 R)
• M6: 1,983,817 km (0.114 R)
• M7: 2,395,959 km (0.112 R)
• M8: 2,892,325 km (0.082 R)
• M9: 3,380,164 km (0.076 R)
• M10: 3,757,001 km (0.092 R)
• M11: 4,558,696 km (0.099 R)
• M12: 6,196,643 km (0.075 R)
• M13: 6,715,598 km (0.026 R)
• M14: 7,469,721 km (0.085 R)
• M15: 8,363,419 km (0.11 R)
• M16: 8,705,549 km (0.083 R)
• M17: 9,146,414 km (0.045 R)
• M18: 10,724,671 km (0.12 R)
• M19: 11,060,967 km (0.079 R)
• M20: 11,648,737 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.1

Radius: 11.7

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.56 AU - 2.3 AU

Year: 1759 Days

Day: 12.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,706,755 km

• M1: 156,779 km (0.112 R)
• M2: 566,527 km (0.118 R)
• M3: 1,178,682 km (0.036 R)
• M4: 2,009,548 km (0.118 R)
• M5: 3,345,457 km (0.09 R)
• M6: 3,819,234 km (0.096 R)
• M7: 4,247,981 km (0.111 R)
• M8: 4,766,338 km (0.064 R)
• M9: 6,555,678 km (0.095 R)
• M10: 7,668,237 km (0.068 R)
• M11: 9,880,491 km (0.061 R)
• M12: 10,265,107 km (0.098 R)
• M13: 11,305,410 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.8

Radius: 9.2

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.85 AU - 2.27 AU

Year: 1940 Days

Day: 12.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,706,755 km

• M1: 114,442 km (0.112 R)
• M2: 558,299 km (0.109 R)
• M3: 2,062,655 km (0.071 R)
• M4: 2,435,154 km (0.083 R)
• M5: 2,791,945 km (0.104 R)
• M6: 3,216,504 km (0.103 R)
• M7: 3,924,401 km (0.081 R)
• M8: 4,235,265 km (0.088 R)
• M9: 5,085,430 km (0.063 R)
• M10: 5,385,075 km (0.112 R)
• M11: 5,819,357 km (0.113 R)
• M12: 6,199,037 km (0.1 R)
• M13: 6,952,112 km (0.12 R)
• M14: 9,894,254 km (0.104 R)
• M15: 10,509,849 km (0.079 R)
• M16: 10,959,690 km (0.117 R)
• M17: 12,386,404 km (0.087 R)
• M18: 12,930,791 km (0.073 R)
• M19: 14,521,914 km (0.113 R)
• M20: 14,939,143 km (0.115 R)
• M21: 15,508,063 km (0.097 R)
• M22: 16,689,288 km (0.039 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.9

Radius: 10.6

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.18 AU - 2.24 AU

Year: 2155 Days

Day: 8.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,706,755 km

• M1: 133,292 km (0.027 R)
• M2: 592,258 km (0.113 R)
• M3: 1,029,383 km (0.053 R)
• M4: 1,621,342 km (0.07 R)
• M5: 2,630,379 km (0.115 R)
• M6: 3,519,440 km (0.117 R)
• M7: 3,996,956 km (0.04 R)
• M8: 5,980,923 km (0.067 R)
• M9: 6,506,909 km (0.083 R)
• M10: 10,231,896 km (0.11 R)
• M11: 11,891,684 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 943.2

Radius: 3.2

Gravity: 92.11 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.83 AU - 9.09 AU

Year: 13366 Days

Day: 19.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,706,755 km

• M1: 39,793 km (0.088 R)
• M2: 191,934 km (0.079 R)
• M3: 449,242 km (0.098 R)
• M4: 588,817 km (0.08 R)
• M5: 766,689 km (0.116 R)
• M6: 1,099,544 km (0.095 R)
• M7: 1,284,597 km (0.109 R)
• M8: 1,399,338 km (0.101 R)
• M9: 1,874,611 km (0.051 R)
• M10: 3,875,782 km (0.068 R)
• M11: 4,431,837 km (0.116 R)
• M12: 5,971,947 km (0.042 R)
• M13: 6,499,878 km (0.12 R)
• M14: 7,371,734 km (0.066 R)
• M15: 7,647,742 km (0.112 R)
• M16: 7,835,637 km (0.112 R)
• M17: 8,318,689 km (0.097 R)
• M18: 8,719,312 km (0.068 R)
• M19: 9,667,164 km (0.106 R)
• M20: 17,311,765 km (0.094 R)
• M21: 18,378,846 km (0.099 R)
• M22: 22,411,257 km (0.116 R)
• M23: 26,671,655 km (0.092 R)
• M24: 27,759,979 km (0.061 R)
• M25: 28,539,235 km (0.115 R)
• M26: 30,964,366 km (0.118 R)
• M27: 33,273,558 km (0.047 R)
• M28: 34,279,305 km (0.098 R)
• M29: 37,552,656 km (0.114 R)
• M30: 39,753,390 km (0.096 R)
• M31: 42,038,498 km (0.068 R)
• M32: 42,184,206 km (0.105 R)
• M33: 45,321,423 km (0.112 R)
• M34: 46,400,622 km (0.066 R)
• M35: 52,729,210 km (0.069 R)
• M36: 54,612,797 km (0.113 R)
• M37: 63,167,103 km (0.089 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 19,875 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit