🌌 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: 314.3

Radius: 11.3

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.67 AU - 0.97 AU

Year: 513 Days

Day: 5.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,376,469 km

• M1: 140,472 km (0.11 R)
• M2: 689,197 km (0.117 R)
• M3: 1,103,434 km (0.109 R)
• M4: 1,728,005 km (0.117 R)
• M5: 2,258,479 km (0.075 R)
• M6: 2,956,503 km (0.115 R)
• M7: 3,521,085 km (0.071 R)
• M8: 4,092,250 km (0.06 R)
• M9: 4,488,385 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.9

Radius: 10.5

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.7 AU - 0.96 AU

Year: 522 Days

Day: 14.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,376,469 km

• M1: 130,599 km (0.086 R)
• M2: 480,808 km (0.11 R)
• M3: 1,138,440 km (0.064 R)
• M4: 1,833,920 km (0.106 R)
• M5: 2,235,142 km (0.098 R)
• M6: 2,812,141 km (0.105 R)
• M7: 3,383,455 km (0.069 R)
• M8: 3,769,717 km (0.116 R)
• M9: 4,438,419 km (0.115 R)
• M10: 4,859,088 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.7

Radius: 14.3

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.14 AU - 1.26 AU

Year: 907 Days

Day: 12.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 28,376,469 km

• M1: 178,171 km (0.071 R)
• M2: 727,195 km (0.057 R)
• M3: 1,242,560 km (0.025 R)
• M4: 1,818,811 km (0.113 R)
• M5: 2,506,064 km (0.052 R)
• M6: 2,985,973 km (0.114 R)
• M7: 3,499,842 km (0.097 R)
• M8: 3,965,540 km (0.107 R)
• M9: 5,095,154 km (0.048 R)
• M10: 6,709,764 km (0.076 R)
• M11: 7,481,090 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.1

Radius: 13.1

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.89 AU - 2.61 AU

Year: 2330 Days

Day: 6.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,376,469 km

• M1: 164,258 km (0.096 R)
• M2: 847,173 km (0.073 R)
• M3: 2,931,819 km (0.084 R)
• M4: 3,672,478 km (0.102 R)
• M5: 4,185,300 km (0.095 R)
• M6: 6,393,364 km (0.094 R)
• M7: 6,985,622 km (0.11 R)
• M8: 7,722,541 km (0.088 R)
• M9: 8,864,721 km (0.083 R)
• M10: 10,314,025 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410

Radius: 13.3

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.57 AU - 2.77 AU

Year: 3011 Days

Day: 14.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 179.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,376,469 km

• M1: 165,455 km (0.078 R)
• M2: 847,622 km (0.106 R)
• M3: 1,782,459 km (0.05 R)
• M4: 2,217,040 km (0.101 R)
• M5: 2,738,090 km (0.071 R)
• M6: 3,513,306 km (0.12 R)
• M7: 4,598,190 km (0.047 R)
• M8: 5,149,907 km (0.113 R)
• M9: 6,413,410 km (0.059 R)
• M10: 7,018,534 km (0.107 R)
• M11: 9,099,440 km (0.081 R)
• M12: 9,793,574 km (0.092 R)
• M13: 11,054,385 km (0.076 R)
• M14: 11,683,893 km (0.101 R)
• M15: 12,673,034 km (0.113 R)
• M16: 13,987,102 km (0.062 R)
• M17: 14,724,021 km (0.08 R)
• M18: 17,143,168 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.7

Radius: 14.2

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.82 AU - 4.46 AU

Year: 4794 Days

Day: 11.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 28,376,469 km

• M1: 176,525 km (0.095 R)
• M2: 688,300 km (0.087 R)
• M3: 1,785,151 km (0.076 R)
• M4: 2,846,548 km (0.119 R)
• M5: 3,425,193 km (0.072 R)
• M6: 4,540,295 km (0.073 R)
• M7: 5,060,298 km (0.109 R)
• M8: 5,736,929 km (0.102 R)
• M9: 6,569,740 km (0.065 R)
• M10: 7,803,923 km (0.067 R)
• M11: 8,323,775 km (0.036 R)
• M12: 9,187,553 km (0.106 R)
• M13: 9,938,235 km (0.067 R)
• M14: 10,461,080 km (0.051 R)
• M15: 11,897,369 km (0.107 R)
• M16: 12,993,921 km (0.089 R)
• M17: 13,461,564 km (0.073 R)
• M18: 14,265,952 km (0.067 R)
• M19: 14,763,814 km (0.061 R)
• M20: 16,148,492 km (0.04 R)
• M21: 19,175,305 km (0.116 R)
• M22: 19,918,956 km (0.108 R)
• M23: 20,681,756 km (0.059 R)
• M24: 23,012,042 km (0.118 R)
• M25: 26,828,284 km (0.097 R)
• M26: 27,333,326 km (0.05 R)
• M27: 29,505,936 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.2

Radius: 12.1

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.96 AU - 4.2 AU

Year: 5689 Days

Day: 7.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 28,376,469 km

• M1: 150,645 km (0.063 R)
• M2: 831,764 km (0.11 R)
• M3: 1,319,603 km (0.106 R)
• M4: 1,723,816 km (0.083 R)
• M5: 2,167,823 km (0.085 R)
• M6: 3,764,032 km (0.06 R)
• M7: 4,305,277 km (0.077 R)
• M8: 4,820,941 km (0.116 R)
• M9: 5,801,405 km (0.115 R)
• M10: 6,339,210 km (0.108 R)
• M11: 7,377,718 km (0.119 R)
• M12: 9,183,215 km (0.091 R)
• M13: 10,467,812 km (0.064 R)
• M14: 11,358,069 km (0.076 R)
• M15: 11,821,673 km (0.107 R)
• M16: 12,394,932 km (0.081 R)
• M17: 12,787,177 km (0.041 R)
• M18: 13,289,228 km (0.113 R)
• M19: 14,279,416 km (0.061 R)
• M20: 14,929,867 km (0.097 R)
• M21: 20,183,446 km (0.103 R)
• M22: 21,280,895 km (0.071 R)
• M23: 21,915,340 km (0.101 R)
• M24: 23,074,724 km (0.058 R)
• M25: 23,669,375 km (0.095 R)
• M26: 25,911,548 km (0.045 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 19,493 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit