🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.8

Radius: 12.3

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.48 AU - 0.66 AU

Year: 287 Days

Day: 13.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,209,838 km

• M1: 153,039 km (0.096 R)
• M2: 557,551 km (0.045 R)
• M3: 946,057 km (0.086 R)
• M4: 1,497,923 km (0.103 R)
• M5: 1,887,925 km (0.049 R)
• M6: 2,362,898 km (0.1 R)
• M7: 3,040,278 km (0.103 R)
• M8: 3,579,129 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.2

Radius: 9.7

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.76 AU - 0.94 AU

Year: 523 Days

Day: 12.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,209,838 km

• M1: 120,725 km (0.098 R)
• M2: 425,008 km (0.119 R)
• M3: 782,995 km (0.106 R)
• M4: 1,270,385 km (0.048 R)
• M5: 1,751,641 km (0.11 R)
• M6: 2,215,544 km (0.112 R)
• M7: 2,576,225 km (0.119 R)
• M8: 3,130,485 km (0.119 R)
• M9: 3,929,786 km (0.099 R)
• M10: 4,369,903 km (0.091 R)
• M11: 4,729,537 km (0.086 R)
• M12: 5,262,703 km (0.092 R)
• M13: 6,233,743 km (0.116 R)
• M14: 6,710,811 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.9

Radius: 14.5

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.83 AU - 1.07 AU

Year: 617 Days

Day: 8.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,209,838 km

• M1: 180,265 km (0.102 R)
• M2: 676,182 km (0.1 R)
• M3: 1,342,491 km (0.07 R)
• M4: 1,963,921 km (0.098 R)
• M5: 2,523,566 km (0.107 R)
• M6: 3,105,353 km (0.082 R)
• M7: 3,728,577 km (0.032 R)
• M8: 4,289,270 km (0.109 R)
• M9: 4,934,635 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.2

Radius: 11.8

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.36 AU - 1.96 AU

Year: 1426 Days

Day: 8.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 21,209,838 km

• M1: 147,803 km (0.096 R)
• M2: 533,316 km (0.044 R)
• M3: 1,024,596 km (0.058 R)
• M4: 1,455,737 km (0.096 R)
• M5: 1,911,412 km (0.09 R)
• M6: 2,741,231 km (0.05 R)
• M7: 3,208,276 km (0.071 R)
• M8: 3,643,606 km (0.11 R)
• M9: 4,136,531 km (0.087 R)
• M10: 4,876,741 km (0.115 R)
• M11: 5,888,771 km (0.094 R)
• M12: 7,917,767 km (0.109 R)
• M13: 10,238,777 km (0.079 R)
• M14: 10,901,346 km (0.052 R)
• M15: 12,742,298 km (0.086 R)
• M16: 13,386,017 km (0.108 R)
• M17: 13,757,619 km (0.064 R)
• M18: 14,392,213 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.3

Radius: 13.9

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.78 AU - 2.86 AU

Year: 3158 Days

Day: 14.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 21,209,838 km

• M1: 178,769 km (0.071 R)
• M2: 620,233 km (0.112 R)
• M3: 1,238,970 km (0.091 R)
• M4: 2,288,249 km (0.082 R)
• M5: 2,775,639 km (0.041 R)
• M6: 3,298,184 km (0.113 R)
• M7: 3,866,806 km (0.109 R)
• M8: 4,674,933 km (0.106 R)
• M9: 5,668,712 km (0.05 R)
• M10: 7,509,215 km (0.078 R)
• M11: 8,074,096 km (0.112 R)
• M12: 9,218,969 km (0.096 R)
• M13: 9,684,218 km (0.096 R)
• M14: 12,208,832 km (0.064 R)
• M15: 14,181,280 km (0.086 R)
• M16: 16,203,095 km (0.115 R)
• M17: 16,829,611 km (0.104 R)
• M18: 17,635,495 km (0.048 R)
• M19: 18,242,712 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726

Radius: 14.7

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.35 AU - 3.87 AU

Year: 3657 Days

Day: 12.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 21,209,838 km

• M1: 186,698 km (0.088 R)
• M2: 693,237 km (0.113 R)
• M3: 1,555,070 km (0.091 R)
• M4: 3,732,168 km (0.106 R)
• M5: 5,073,911 km (0.082 R)
• M6: 5,542,003 km (0.057 R)
• M7: 6,124,537 km (0.12 R)
• M8: 6,871,479 km (0.034 R)
• M9: 8,087,859 km (0.081 R)
• M10: 8,583,926 km (0.091 R)
• M11: 9,175,885 km (0.108 R)
• M12: 9,834,564 km (0.095 R)
• M13: 12,415,576 km (0.035 R)
• M14: 14,114,410 km (0.108 R)
• M15: 14,993,596 km (0.036 R)
• M16: 16,633,787 km (0.119 R)
• M17: 17,497,416 km (0.113 R)
• M18: 18,269,939 km (0.098 R)
• M19: 18,756,431 km (0.094 R)
• M20: 20,139,613 km (0.073 R)
• M21: 20,922,010 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.5

Radius: 10.1

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.57 AU - 4.59 AU

Year: 5496 Days

Day: 6 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,209,838 km

• M1: 151,393 km (0.082 R)
• M2: 741,706 km (0.089 R)
• M3: 1,150,856 km (0.109 R)
• M4: 1,909,467 km (0.059 R)
• M5: 5,448,055 km (0.063 R)
• M6: 5,889,219 km (0.092 R)
• M7: 6,552,536 km (0.079 R)
• M8: 7,545,118 km (0.063 R)
• M9: 8,949,543 km (0.042 R)
• M10: 9,417,635 km (0.085 R)
• M11: 10,759,677 km (0.073 R)
• M12: 12,356,485 km (0.043 R)
• M13: 13,771,681 km (0.072 R)
• M14: 17,030,222 km (0.062 R)
• M15: 19,909,233 km (0.069 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 460 - 16,503 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit