🌌 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: 783.4

Radius: 12.9

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.46 AU - 0.56 AU

Year: 247 Days

Day: 13.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,626,978 km

• M1: 160,369 km (0.103 R)
• M2: 739,013 km (0.11 R)
• M3: 1,243,009 km (0.07 R)
• M4: 1,879,548 km (0.103 R)
• M5: 2,334,624 km (0.104 R)
• M6: 2,780,875 km (0.046 R)
• M7: 3,723,790 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.8

Radius: 9.9

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.57 AU - 0.73 AU

Year: 355 Days

Day: 6 Hours

Environment

Temp: -161 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,626,978 km

• M1: 125,064 km (0.105 R)
• M2: 482,154 km (0.106 R)
• M3: 791,074 km (0.115 R)
• M4: 1,107,024 km (0.086 R)
• M5: 2,290,044 km (0.119 R)
• M6: 3,111,037 km (0.096 R)
• M7: 3,727,530 km (0.052 R)
• M8: 4,142,963 km (0.047 R)
• M9: 4,659,674 km (0.033 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.4

Radius: 11.3

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.57 AU - 0.85 AU

Year: 406 Days

Day: 7.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,626,978 km

• M1: 140,472 km (0.105 R)
• M2: 493,823 km (0.088 R)
• M3: 1,050,027 km (0.11 R)
• M4: 1,432,250 km (0.083 R)
• M5: 2,029,744 km (0.112 R)
• M6: 2,665,984 km (0.116 R)
• M7: 3,176,112 km (0.114 R)
• M8: 3,600,821 km (0.119 R)
• M9: 4,623,621 km (0.108 R)
• M10: 5,477,526 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.7

Radius: 10.5

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.77 AU - 2.13 AU

Year: 1847 Days

Day: 11.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,626,978 km

• M1: 130,599 km (0.12 R)
• M2: 498,011 km (0.097 R)
• M3: 904,469 km (0.083 R)
• M4: 1,358,049 km (0.092 R)
• M5: 1,852,919 km (0.112 R)
• M6: 2,401,345 km (0.071 R)
• M7: 2,965,479 km (0.092 R)
• M8: 3,303,570 km (0.082 R)
• M9: 4,225,841 km (0.045 R)
• M10: 4,655,935 km (0.098 R)
• M11: 5,311,472 km (0.115 R)
• M12: 6,075,918 km (0.108 R)
• M13: 6,964,978 km (0.041 R)
• M14: 7,851,794 km (0.08 R)
• M15: 10,052,229 km (0.062 R)
• M16: 10,785,558 km (0.097 R)
• M17: 11,405,042 km (0.117 R)
• M18: 13,200,516 km (0.062 R)
• M19: 15,042,664 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 185.7

Radius: 6.2

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.91 AU - 7.07 AU

Year: 9943 Days

Day: 18.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,626,978 km

• M1: 79,287 km (0.068 R)
• M2: 319,990 km (0.096 R)
• M3: 798,254 km (0.088 R)
• M4: 1,919,939 km (0.106 R)
• M5: 2,328,640 km (0.111 R)
• M6: 3,339,473 km (0.08 R)
• M7: 6,869,983 km (0.109 R)
• M8: 7,785,522 km (0.059 R)
• M9: 11,631,534 km (0.036 R)
• M10: 14,316,217 km (0.105 R)
• M11: 23,308,096 km (0.096 R)
• M12: 28,387,243 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956.9

Radius: 7.9

Gravity: 15.33 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.82 AU - 7.72 AU

Year: 11947 Days

Day: 15 Hours

Environment

Temp: -219 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,626,978 km

• M1: 100,829 km (0.089 R)
• M2: 437,873 km (0.087 R)
• M3: 1,193,941 km (0.109 R)
• M4: 1,478,027 km (0.102 R)
• M5: 2,838,769 km (0.118 R)
• M6: 4,592,804 km (0.065 R)
• M7: 7,315,485 km (0.075 R)
• M8: 12,218,855 km (0.12 R)
• M9: 13,569,275 km (0.078 R)
• M10: 14,945,126 km (0.055 R)
• M11: 18,953,901 km (0.109 R)
• M12: 20,581,525 km (0.08 R)
• M13: 21,204,002 km (0.111 R)
• M14: 21,474,625 km (0.034 R)
• M15: 28,353,284 km (0.044 R)
• M16: 29,795,408 km (0.097 R)
• M17: 45,338,477 km (0.12 R)
• M18: 45,938,365 km (0.063 R)
• M19: 46,240,253 km (0.111 R)
• M20: 53,388,488 km (0.056 R)
• M21: 56,962,680 km (0.075 R)
• M22: 58,365,310 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688.9

Radius: 3.2

Gravity: 67.28 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 9.18 AU - 11.26 AU

Year: 22160 Days

Day: 17.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 81,626,978 km

• M1: 43,982 km (0.039 R)
• M2: 331,958 km (0.092 R)
• M3: 454,927 km (0.064 R)
• M4: 581,936 km (0.109 R)
• M5: 742,753 km (0.054 R)
• M6: 1,032,525 km (0.059 R)
• M7: 2,866,445 km (0.117 R)
• M8: 4,139,074 km (0.051 R)
• M9: 5,540,357 km (0.097 R)
• M10: 6,526,506 km (0.097 R)
• M11: 7,132,826 km (0.07 R)
• M12: 8,894,491 km (0.098 R)
• M13: 10,862,451 km (0.099 R)
• M14: 11,119,011 km (0.068 R)
• M15: 11,379,760 km (0.117 R)
• M16: 13,912,153 km (0.093 R)
• M17: 15,550,250 km (0.05 R)
• M18: 16,123,659 km (0.069 R)
• M19: 16,290,011 km (0.082 R)
• M20: 16,626,307 km (0.068 R)
• M21: 17,486,944 km (0.106 R)
• M22: 19,484,375 km (0.065 R)
• M23: 23,177,348 km (0.116 R)
• M24: 24,359,171 km (0.078 R)
• M25: 24,909,242 km (0.073 R)
• M26: 26,725,510 km (0.12 R)
• M27: 31,388,924 km (0.088 R)
• M28: 35,854,570 km (0.116 R)
• M29: 47,880,594 km (0.11 R)
• M30: 49,967,933 km (0.092 R)
• M31: 57,169,275 km (0.11 R)
• M32: 60,513,685 km (0.043 R)
• M33: 62,951,233 km (0.091 R)
• M34: 63,986,001 km (0.115 R)
• M35: 67,158,075 km (0.114 R)
• M36: 70,211,666 km (0.112 R)
• M37: 70,433,370 km (0.061 R)
• M38: 75,659,572 km (0.225 R)
• M39: 78,248,064 km (0.082 R)
• M40: 78,724,982 km (0.153 R)
• M41: 80,167,255 km (0.1 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 19,563 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit