🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 695.6

Radius: 9.6

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.97 AU - 1.17 AU

Year: 738 Days

Day: 7.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,296,008 km

• M1: 119,379 km (0.107 R)
• M2: 445,054 km (0.066 R)
• M3: 812,167 km (0.1 R)
• M4: 1,775,577 km (0.101 R)
• M5: 2,331,034 km (0.107 R)
• M6: 2,805,858 km (0.053 R)
• M7: 3,238,943 km (0.074 R)
• M8: 3,831,949 km (0.073 R)
• M9: 4,131,594 km (0.109 R)
• M10: 4,577,695 km (0.118 R)
• M11: 5,020,355 km (0.114 R)
• M12: 5,454,039 km (0.099 R)
• M13: 5,912,706 km (0.119 R)
• M14: 6,522,168 km (0.102 R)
• M15: 6,907,382 km (0.115 R)
• M16: 7,961,748 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.7

Radius: 13.6

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.25 AU - 1.75 AU

Year: 1225 Days

Day: 11.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,296,008 km

• M1: 169,195 km (0.102 R)
• M2: 737,518 km (0.062 R)
• M3: 1,196,035 km (0.094 R)
• M4: 1,663,379 km (0.088 R)
• M5: 2,110,826 km (0.114 R)
• M6: 2,617,813 km (0.102 R)
• M7: 3,106,101 km (0.049 R)
• M8: 4,192,929 km (0.1 R)
• M9: 4,782,794 km (0.096 R)
• M10: 5,283,498 km (0.11 R)
• M11: 5,973,293 km (0.026 R)
• M12: 6,871,030 km (0.101 R)
• M13: 7,974,614 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.2

Radius: 10.2

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.07 AU - 3.23 AU

Year: 3728 Days

Day: 5.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 35,296,008 km

• M1: 126,859 km (0.063 R)
• M2: 549,024 km (0.065 R)
• M3: 907,012 km (0.086 R)
• M4: 1,331,571 km (0.101 R)
• M5: 1,650,663 km (0.088 R)
• M6: 2,235,142 km (0.064 R)
• M7: 2,642,048 km (0.077 R)
• M8: 3,024,869 km (0.094 R)
• M9: 3,464,687 km (0.026 R)
• M10: 4,378,430 km (0.096 R)
• M11: 5,176,685 km (0.08 R)
• M12: 6,098,806 km (0.059 R)
• M13: 6,552,536 km (0.092 R)
• M14: 6,931,617 km (0.085 R)
• M15: 7,664,946 km (0.046 R)
• M16: 9,090,763 km (0.032 R)
• M17: 10,218,432 km (0.052 R)
• M18: 11,710,222 km (0.109 R)
• M19: 14,265,055 km (0.027 R)
• M20: 15,175,058 km (0.094 R)
• M21: 15,672,471 km (0.12 R)
• M22: 16,123,509 km (0.1 R)
• M23: 16,992,673 km (0.102 R)
• M24: 18,323,645 km (0.099 R)
• M25: 19,527,908 km (0.1 R)
• M26: 21,260,401 km (0.116 R)
• M27: 23,165,529 km (0.084 R)
• M28: 23,973,358 km (0.083 R)
• M29: 25,181,810 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239

Radius: 12.4

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.3 AU - 3.86 AU

Year: 4517 Days

Day: 6.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,296,008 km

• M1: 155,731 km (0.116 R)
• M2: 542,143 km (0.108 R)
• M3: 1,396,945 km (0.102 R)
• M4: 2,375,315 km (0.065 R)
• M5: 3,138,863 km (0.117 R)
• M6: 3,671,880 km (0.106 R)
• M7: 4,120,823 km (0.088 R)
• M8: 5,012,875 km (0.083 R)
• M9: 6,109,278 km (0.107 R)
• M10: 6,973,355 km (0.095 R)
• M11: 7,885,603 km (0.056 R)
• M12: 9,118,140 km (0.083 R)
• M13: 10,246,557 km (0.084 R)
• M14: 13,725,006 km (0.117 R)
• M15: 16,060,528 km (0.101 R)
• M16: 16,526,376 km (0.066 R)
• M17: 17,161,419 km (0.03 R)
• M18: 18,593,220 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.2

Radius: 8.3

Gravity: 11.63 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.8 AU - 4.7 AU

Year: 5843 Days

Day: 10.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,296,008 km

• M1: 103,522 km (0.084 R)
• M2: 368,160 km (0.099 R)
• M3: 758,162 km (0.069 R)
• M4: 1,278,164 km (0.097 R)
• M5: 2,305,303 km (0.099 R)
• M6: 2,600,460 km (0.05 R)
• M7: 3,020,082 km (0.117 R)
• M8: 3,898,820 km (0.084 R)
• M9: 4,826,775 km (0.091 R)
• M10: 6,586,495 km (0.099 R)
• M11: 8,249,425 km (0.119 R)
• M12: 8,777,954 km (0.11 R)
• M13: 12,278,096 km (0.077 R)
• M14: 13,737,572 km (0.093 R)
• M15: 16,421,508 km (0.118 R)
• M16: 17,062,236 km (0.102 R)
• M17: 18,667,869 km (0.092 R)
• M18: 19,154,661 km (0.103 R)
• M19: 20,962,102 km (0.068 R)
• M20: 24,746,181 km (0.092 R)
• M21: 26,798,663 km (0.041 R)
• M22: 29,054,749 km (0.07 R)
• M23: 30,852,018 km (0.07 R)
• M24: 31,630,375 km (0.12 R)
• M25: 33,531,465 km (0.034 R)
• M26: 34,147,360 km (0.058 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: 184 - 18,409 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit