🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.3

Radius: 10.4

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.5 AU - 0.68 AU

Year: 302 Days

Day: 6.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,781,065 km

• M1: 129,402 km (0.077 R)
• M2: 460,911 km (0.068 R)
• M3: 804,238 km (0.086 R)
• M4: 1,151,604 km (0.075 R)
• M5: 1,561,802 km (0.091 R)
• M6: 1,944,174 km (0.061 R)
• M7: 2,310,539 km (0.105 R)
• M8: 2,665,385 km (0.026 R)
• M9: 3,088,298 km (0.107 R)
• M10: 3,474,710 km (0.084 R)
• M11: 4,019,246 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694

Radius: 9.3

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.77 AU - 0.85 AU

Year: 486 Days

Day: 7.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,781,065 km

• M1: 115,639 km (0.086 R)
• M2: 562,488 km (0.119 R)
• M3: 1,079,947 km (0.112 R)
• M4: 1,967,362 km (0.111 R)
• M5: 2,378,905 km (0.116 R)
• M6: 2,708,918 km (0.036 R)
• M7: 3,232,062 km (0.074 R)
• M8: 4,599,835 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.2

Radius: 14.2

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.59 AU - 1.91 AU

Year: 1544 Days

Day: 7.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 110 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 36,781,065 km

• M1: 179,667 km (0.077 R)
• M2: 937,829 km (0.12 R)
• M3: 1,657,245 km (0.094 R)
• M4: 2,621,254 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.2

Radius: 11.8

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.56 AU - 2.38 AU

Year: 1844 Days

Day: 6.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,781,065 km

• M1: 146,756 km (0.09 R)
• M2: 522,845 km (0.104 R)
• M3: 1,069,625 km (0.083 R)
• M4: 1,795,174 km (0.115 R)
• M5: 2,243,519 km (0.038 R)
• M6: 2,683,636 km (0.08 R)
• M7: 3,784,826 km (0.109 R)
• M8: 4,266,232 km (0.118 R)
• M9: 4,858,640 km (0.053 R)
• M10: 5,315,063 km (0.086 R)
• M11: 5,900,290 km (0.111 R)
• M12: 8,761,498 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.8

Radius: 11.6

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.98 AU - 2.28 AU

Year: 2073 Days

Day: 8.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,781,065 km

• M1: 144,212 km (0.107 R)
• M2: 573,558 km (0.115 R)
• M3: 1,252,882 km (0.098 R)
• M4: 1,627,924 km (0.068 R)
• M5: 2,189,066 km (0.105 R)
• M6: 2,571,587 km (0.088 R)
• M7: 2,983,580 km (0.116 R)
• M8: 3,613,686 km (0.095 R)
• M9: 4,056,047 km (0.105 R)
• M10: 4,939,871 km (0.097 R)
• M11: 5,898,046 km (0.083 R)
• M12: 7,459,698 km (0.067 R)
• M13: 7,996,156 km (0.078 R)
• M14: 10,223,070 km (0.06 R)
• M15: 10,848,239 km (0.115 R)
• M16: 15,195,853 km (0.085 R)
• M17: 16,803,730 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908

Radius: 8.1

Gravity: 13.84 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.12 AU - 2.7 AU

Year: 2495 Days

Day: 12.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,781,065 km

• M1: 101,128 km (0.036 R)
• M2: 353,350 km (0.083 R)
• M3: 628,461 km (0.079 R)
• M4: 946,057 km (0.11 R)
• M5: 1,449,903 km (0.095 R)
• M6: 1,930,710 km (0.06 R)
• M7: 2,340,459 km (0.071 R)
• M8: 2,696,502 km (0.079 R)
• M9: 3,054,489 km (0.077 R)
• M10: 3,650,936 km (0.06 R)
• M11: 4,301,088 km (0.12 R)
• M12: 4,860,884 km (0.09 R)
• M13: 5,219,619 km (0.1 R)
• M14: 8,014,407 km (0.12 R)
• M15: 8,584,375 km (0.037 R)
• M16: 9,655,495 km (0.113 R)
• M17: 10,853,326 km (0.068 R)
• M18: 12,541,537 km (0.045 R)
• M19: 13,541,300 km (0.072 R)
• M20: 14,349,428 km (0.116 R)
• M21: 16,218,803 km (0.084 R)
• M22: 19,826,206 km (0.056 R)
• M23: 20,495,806 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.9

Radius: 15

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.06 AU - 6.1 AU

Year: 7635 Days

Day: 7.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,781,065 km

• M1: 186,698 km (0.108 R)
• M2: 758,312 km (0.114 R)
• M3: 1,466,059 km (0.067 R)
• M4: 1,995,486 km (0.1 R)
• M5: 2,708,619 km (0.1 R)
• M6: 3,433,122 km (0.069 R)
• M7: 4,158,222 km (0.101 R)
• M8: 4,788,329 km (0.058 R)
• M9: 7,252,954 km (0.063 R)
• M10: 7,972,968 km (0.085 R)
• M11: 9,077,898 km (0.036 R)
• M12: 9,689,903 km (0.089 R)
• M13: 10,422,932 km (0.05 R)
• M14: 11,143,545 km (0.103 R)
• M15: 11,693,018 km (0.052 R)
• M16: 12,208,233 km (0.115 R)
• M17: 12,900,572 km (0.107 R)
• M18: 14,598,658 km (0.099 R)
• M19: 17,089,163 km (0.116 R)
• M20: 17,619,488 km (0.078 R)
• M21: 26,071,618 km (0.058 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 415 - 19,313 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit