🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.3

Radius: 9.7

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.77 AU - 0.93 AU

Year: 523 Days

Day: 8.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,001,018 km

• M1: 120,576 km (0.109 R)
• M2: 442,361 km (0.095 R)
• M3: 849,417 km (0.078 R)
• M4: 1,313,170 km (0.098 R)
• M5: 1,686,716 km (0.081 R)
• M6: 2,139,998 km (0.113 R)
• M7: 2,479,435 km (0.065 R)
• M8: 2,822,463 km (0.105 R)
• M9: 3,232,810 km (0.067 R)
• M10: 3,721,995 km (0.093 R)
• M11: 4,420,916 km (0.04 R)
• M12: 4,880,631 km (0.111 R)
• M13: 5,271,231 km (0.1 R)
• M14: 6,208,312 km (0.12 R)
• M15: 6,511,995 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.1

Radius: 9

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.26 AU - 1.34 AU

Year: 988 Days

Day: 13.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,001,018 km

• M1: 112,049 km (0.116 R)
• M2: 621,430 km (0.101 R)
• M3: 1,014,423 km (0.028 R)
• M4: 1,744,012 km (0.036 R)
• M5: 2,429,320 km (0.111 R)
• M6: 3,132,879 km (0.034 R)
• M7: 4,068,763 km (0.089 R)
• M8: 5,076,454 km (0.069 R)
• M9: 5,968,805 km (0.107 R)
• M10: 6,341,753 km (0.12 R)
• M11: 6,626,438 km (0.108 R)
• M12: 7,736,603 km (0.086 R)

Asteroid Belt

Center: 1.79 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.8

Radius: 12.4

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.89 AU - 2.67 AU

Year: 2296 Days

Day: 11.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,001,018 km

• M1: 154,235 km (0.116 R)
• M2: 664,963 km (0.077 R)
• M3: 1,443,021 km (0.103 R)
• M4: 1,971,102 km (0.11 R)
• M5: 2,453,405 km (0.085 R)
• M6: 2,999,138 km (0.032 R)
• M7: 5,139,734 km (0.072 R)
• M8: 5,942,476 km (0.103 R)
• M9: 6,488,658 km (0.079 R)
• M10: 8,888,956 km (0.06 R)
• M11: 9,942,723 km (0.107 R)
• M12: 12,656,429 km (0.102 R)
• M13: 13,817,308 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.6

Radius: 9.3

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.23 AU - 2.51 AU

Year: 2433 Days

Day: 11.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,001,018 km

• M1: 116,088 km (0.078 R)
• M2: 690,693 km (0.025 R)
• M3: 1,007,392 km (0.091 R)
• M4: 1,484,759 km (0.073 R)
• M5: 2,285,706 km (0.105 R)
• M6: 2,925,087 km (0.1 R)
• M7: 3,382,408 km (0.078 R)
• M8: 4,287,924 km (0.058 R)
• M9: 5,324,936 km (0.112 R)
• M10: 5,820,704 km (0.07 R)
• M11: 6,224,767 km (0.105 R)
• M12: 6,672,813 km (0.099 R)
• M13: 7,036,037 km (0.098 R)
• M14: 7,412,425 km (0.12 R)
• M15: 8,472,326 km (0.073 R)
• M16: 9,117,242 km (0.05 R)
• M17: 10,230,400 km (0.085 R)
• M18: 11,431,671 km (0.078 R)
• M19: 12,066,415 km (0.107 R)
• M20: 12,450,582 km (0.117 R)
• M21: 12,763,840 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.8

Radius: 14.2

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.39 AU - 3.23 AU

Year: 3141 Days

Day: 14.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,001,018 km

• M1: 176,675 km (0.034 R)
• M2: 1,270,385 km (0.039 R)
• M3: 2,516,386 km (0.092 R)
• M4: 3,365,653 km (0.065 R)
• M5: 5,199,124 km (0.111 R)
• M6: 6,150,118 km (0.088 R)
• M7: 6,756,588 km (0.057 R)
• M8: 9,821,699 km (0.061 R)
• M9: 11,658,910 km (0.117 R)
• M10: 14,653,111 km (0.094 R)
• M11: 16,932,235 km (0.086 R)
• M12: 21,458,019 km (0.118 R)
• M13: 22,116,848 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.4

Radius: 10.6

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.89 AU - 4.81 AU

Year: 6050 Days

Day: 6.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 41,001,018 km

• M1: 131,945 km (0.053 R)
• M2: 578,345 km (0.094 R)
• M3: 941,569 km (0.089 R)
• M4: 1,803,552 km (0.119 R)
• M5: 2,259,825 km (0.08 R)
• M6: 2,846,399 km (0.11 R)
• M7: 4,986,546 km (0.062 R)
• M8: 5,370,264 km (0.091 R)
• M9: 5,803,500 km (0.097 R)
• M10: 6,197,541 km (0.098 R)
• M11: 6,674,608 km (0.075 R)
• M12: 7,847,007 km (0.102 R)
• M13: 8,597,988 km (0.097 R)
• M14: 10,506,707 km (0.084 R)
• M15: 11,186,031 km (0.104 R)
• M16: 12,383,113 km (0.074 R)
• M17: 14,308,737 km (0.098 R)
• M18: 14,694,400 km (0.109 R)
• M19: 16,306,766 km (0.113 R)
• M20: 17,403,767 km (0.092 R)
• M21: 19,676,458 km (0.1 R)
• M22: 22,434,445 km (0.107 R)
• M23: 22,955,344 km (0.04 R)
• M24: 26,830,977 km (0.081 R)
• M25: 27,417,999 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212

Radius: 6.3

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 7.31 AU - 8.07 AU

Year: 14221 Days

Day: 22 Hours

Environment

Temp: -226 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,001,018 km

• M1: 78,389 km (0.051 R)
• M2: 286,630 km (0.089 R)
• M3: 822,788 km (0.112 R)
• M4: 2,236,339 km (0.077 R)
• M5: 3,175,664 km (0.027 R)
• M6: 4,718,167 km (0.109 R)
• M7: 5,163,071 km (0.037 R)
• M8: 12,832,505 km (0.089 R)
• M9: 15,802,472 km (0.116 R)
• M10: 16,393,683 km (0.055 R)
• M11: 23,732,057 km (0.103 R)
• M12: 25,387,806 km (0.12 R)
• M13: 31,840,560 km (0.065 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 13,176 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit