🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.9

Radius: 10.4

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.54 AU - 0.74 AU

Year: 347 Days

Day: 12.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,017,722 km

• M1: 133,441 km (0.065 R)
• M2: 464,801 km (0.12 R)
• M3: 845,527 km (0.102 R)
• M4: 1,199,775 km (0.045 R)
• M5: 1,602,193 km (0.086 R)
• M6: 2,073,576 km (0.098 R)
• M7: 2,546,605 km (0.1 R)
• M8: 2,990,162 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.2

Radius: 8.5

Gravity: 11.93 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.5 AU - 0.8 AU

Year: 355 Days

Day: 9.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 43,017,722 km

• M1: 105,766 km (0.078 R)
• M2: 388,206 km (0.051 R)
• M3: 909,106 km (0.027 R)
• M4: 1,193,342 km (0.118 R)
• M5: 1,504,506 km (0.047 R)
• M6: 1,786,348 km (0.107 R)
• M7: 2,214,796 km (0.083 R)
• M8: 2,505,764 km (0.119 R)
• M9: 2,895,018 km (0.085 R)
• M10: 3,232,960 km (0.096 R)
• M11: 3,682,950 km (0.037 R)
• M12: 4,174,229 km (0.101 R)
• M13: 4,856,545 km (0.055 R)
• M14: 5,177,582 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.9

Radius: 12.6

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.61 AU - 0.73 AU

Year: 372 Days

Day: 8.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,017,722 km

• M1: 156,629 km (0.107 R)
• M2: 594,053 km (0.078 R)
• M3: 1,004,400 km (0.086 R)
• M4: 1,766,302 km (0.035 R)
• M5: 2,161,240 km (0.09 R)
• M6: 2,642,048 km (0.089 R)
• M7: 3,115,076 km (0.116 R)
• M8: 3,590,050 km (0.072 R)
• M9: 4,077,589 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.4

Radius: 12.1

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.04 AU - 1.24 AU

Year: 826 Days

Day: 7.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,017,722 km

• M1: 150,495 km (0.112 R)
• M2: 704,905 km (0.033 R)
• M3: 1,099,844 km (0.062 R)
• M4: 1,485,507 km (0.082 R)
• M5: 1,916,050 km (0.06 R)
• M6: 2,733,452 km (0.114 R)
• M7: 3,195,859 km (0.109 R)
• M8: 4,067,716 km (0.062 R)
• M9: 4,465,197 km (0.033 R)
• M10: 5,475,581 km (0.104 R)
• M11: 6,454,849 km (0.074 R)
• M12: 6,905,587 km (0.078 R)
• M13: 7,769,964 km (0.115 R)
• M14: 8,705,250 km (0.102 R)
• M15: 9,312,767 km (0.109 R)
• M16: 10,067,039 km (0.082 R)

Asteroid Belt

Center: 1.41 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.7

Radius: 13.8

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.48 AU - 1.88 AU

Year: 1477 Days

Day: 8.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 67.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 43,017,722 km

• M1: 175,927 km (0.065 R)
• M2: 1,011,132 km (0.104 R)
• M3: 3,722,593 km (0.12 R)
• M4: 5,122,381 km (0.118 R)
• M5: 5,969,404 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.1

Radius: 11.6

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.05 AU - 4.79 AU

Year: 5264 Days

Day: 13.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,017,722 km

• M1: 144,362 km (0.074 R)
• M2: 574,157 km (0.102 R)
• M3: 1,261,110 km (0.1 R)
• M4: 1,736,682 km (0.076 R)
• M5: 2,209,860 km (0.081 R)
• M6: 3,157,861 km (0.085 R)
• M7: 6,180,636 km (0.107 R)
• M8: 7,710,723 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414

Radius: 13.8

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 3.57 AU - 4.53 AU

Year: 5528 Days

Day: 14.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 43,017,722 km

• M1: 171,888 km (0.109 R)
• M2: 735,722 km (0.119 R)
• M3: 1,256,622 km (0.036 R)
• M4: 1,894,657 km (0.116 R)
• M5: 2,643,394 km (0.057 R)
• M6: 3,985,736 km (0.097 R)
• M7: 6,358,957 km (0.031 R)
• M8: 7,484,381 km (0.059 R)
• M9: 7,970,126 km (0.103 R)
• M10: 8,700,762 km (0.111 R)
• M11: 9,475,679 km (0.082 R)
• M12: 10,296,223 km (0.072 R)
• M13: 11,845,608 km (0.027 R)
• M14: 13,749,839 km (0.101 R)
• M15: 14,801,961 km (0.108 R)
• M16: 16,077,433 km (0.099 R)
• M17: 17,911,054 km (0.118 R)
• M18: 19,037,675 km (0.069 R)
• M19: 19,814,687 km (0.038 R)
• M20: 20,815,497 km (0.063 R)
• M21: 24,245,776 km (0.092 R)
• M22: 26,094,805 km (0.109 R)
• M23: 27,297,273 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.2

Radius: 12.7

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.09 AU - 4.21 AU

Year: 5734 Days

Day: 6.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,017,722 km

• M1: 157,975 km (0.101 R)
• M2: 813,513 km (0.081 R)
• M3: 1,285,794 km (0.072 R)
• M4: 1,821,354 km (0.12 R)
• M5: 2,254,889 km (0.099 R)
• M6: 2,757,837 km (0.093 R)
• M7: 4,224,045 km (0.085 R)
• M8: 4,713,979 km (0.068 R)
• M9: 5,128,514 km (0.116 R)
• M10: 5,591,370 km (0.108 R)
• M11: 6,655,011 km (0.107 R)
• M12: 7,611,091 km (0.11 R)
• M13: 8,624,766 km (0.03 R)
• M14: 10,511,494 km (0.117 R)
• M15: 12,411,986 km (0.092 R)
• M16: 13,595,754 km (0.073 R)
• M17: 16,532,659 km (0.104 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.2

Radius: 13.8

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.46 AU - 5.72 AU

Year: 7789 Days

Day: 6.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,017,722 km

• M1: 171,738 km (0.099 R)
• M2: 686,205 km (0.05 R)
• M3: 1,249,292 km (0.051 R)
• M4: 1,855,612 km (0.096 R)
• M5: 2,578,768 km (0.119 R)
• M6: 3,146,342 km (0.101 R)
• M7: 3,896,576 km (0.075 R)
• M8: 4,369,305 km (0.072 R)
• M9: 6,196,194 km (0.112 R)
• M10: 7,184,139 km (0.118 R)
• M11: 9,061,143 km (0.118 R)
• M12: 11,722,340 km (0.119 R)
• M13: 13,643,775 km (0.061 R)
• M14: 14,369,773 km (0.107 R)
• M15: 17,745,898 km (0.061 R)
• M16: 20,348,302 km (0.081 R)
• M17: 21,457,271 km (0.088 R)
• M18: 26,577,408 km (0.107 R)
• M19: 30,376,745 km (0.108 R)
• M20: 35,081,748 km (0.115 R)
• M21: 35,645,433 km (0.106 R)
• M22: 36,215,101 km (0.092 R)
• M23: 38,316,503 km (0.079 R)
• M24: 39,034,722 km (0.097 R)
• M25: 40,993,856 km (0.062 R)
• M26: 42,251,076 km (0.084 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 15,057 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit