🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755

Radius: 14.5

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.51 AU - 0.53 AU

Year: 254 Days

Day: 13.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 45,683,637 km

• M1: 184,005 km (0.087 R)
• M2: 968,197 km (0.113 R)
• M3: 1,425,069 km (0.108 R)
• M4: 1,890,019 km (0.054 R)
• M5: 2,937,653 km (0.054 R)
• M6: 3,447,782 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.6

Radius: 9.8

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.52 AU - 0.84 AU

Year: 380 Days

Day: 5.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,683,637 km

• M1: 121,922 km (0.051 R)
• M2: 467,045 km (0.088 R)
• M3: 816,954 km (0.082 R)
• M4: 1,205,908 km (0.063 R)
• M5: 1,706,463 km (0.049 R)
• M6: 2,212,702 km (0.105 R)
• M7: 2,622,301 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.5

Radius: 13.1

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.71 AU - 0.75 AU

Year: 423 Days

Day: 5.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 45,683,637 km

• M1: 162,912 km (0.096 R)
• M2: 643,121 km (0.084 R)
• M3: 1,341,893 km (0.113 R)
• M4: 2,238,882 km (0.068 R)
• M5: 2,845,950 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.7

Radius: 9.5

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.79 AU - 1.03 AU

Year: 589 Days

Day: 10.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,683,637 km

• M1: 118,182 km (0.101 R)
• M2: 475,272 km (0.055 R)
• M3: 826,229 km (0.107 R)
• M4: 1,340,397 km (0.103 R)
• M5: 2,218,536 km (0.074 R)
• M6: 2,534,637 km (0.058 R)
• M7: 2,869,287 km (0.095 R)
• M8: 3,493,260 km (0.059 R)
• M9: 3,909,441 km (0.109 R)
• M10: 6,227,460 km (0.078 R)
• M11: 7,383,253 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294

Radius: 9.6

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.86 AU - 1.36 AU

Year: 793 Days

Day: 14 Hours

Environment

Temp: -173 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,683,637 km

• M1: 120,127 km (0.117 R)
• M2: 622,626 km (0.107 R)
• M3: 1,009,636 km (0.052 R)
• M4: 1,365,679 km (0.115 R)
• M5: 3,590,349 km (0.051 R)
• M6: 3,977,059 km (0.056 R)
• M7: 4,347,464 km (0.107 R)
• M8: 4,850,561 km (0.108 R)
• M9: 5,495,029 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.7

Radius: 9

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.6 AU - 1.7 AU

Year: 1438 Days

Day: 5.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,683,637 km

• M1: 113,694 km (0.104 R)
• M2: 403,017 km (0.076 R)
• M3: 851,062 km (0.114 R)
• M4: 1,166,265 km (0.067 R)
• M5: 1,691,204 km (0.048 R)
• M6: 2,223,174 km (0.078 R)
• M7: 3,092,188 km (0.109 R)
• M8: 3,475,159 km (0.101 R)
• M9: 4,011,467 km (0.078 R)
• M10: 4,506,037 km (0.11 R)
• M11: 5,572,820 km (0.066 R)
• M12: 6,071,729 km (0.095 R)
• M13: 6,501,823 km (0.07 R)
• M14: 8,112,393 km (0.033 R)
• M15: 9,025,688 km (0.065 R)
• M16: 10,170,411 km (0.113 R)
• M17: 12,554,104 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.5

Radius: 13.7

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.3 AU - 2.14 AU

Year: 1530 Days

Day: 5.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,683,637 km

• M1: 185,352 km (0.059 R)
• M2: 674,387 km (0.085 R)
• M3: 1,130,810 km (0.084 R)
• M4: 1,707,959 km (0.057 R)
• M5: 2,758,286 km (0.1 R)
• M6: 4,062,929 km (0.036 R)
• M7: 5,072,265 km (0.097 R)
• M8: 5,680,082 km (0.107 R)
• M9: 7,220,192 km (0.035 R)
• M10: 8,241,197 km (0.105 R)
• M11: 9,234,377 km (0.101 R)
• M12: 9,982,516 km (0.049 R)
• M13: 10,636,409 km (0.07 R)
• M14: 11,214,604 km (0.113 R)
• M15: 12,771,170 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.1

Radius: 7.9

Gravity: 10.16 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.54 AU - 6.22 AU

Year: 9671 Days

Day: 18.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,683,637 km

• M1: 99,333 km (0.077 R)
• M2: 373,097 km (0.057 R)
• M3: 736,321 km (0.075 R)
• M4: 1,088,325 km (0.104 R)
• M5: 1,921,734 km (0.068 R)
• M6: 2,333,128 km (0.071 R)
• M7: 2,699,643 km (0.108 R)
• M8: 3,427,586 km (0.114 R)
• M9: 4,142,365 km (0.102 R)
• M10: 4,622,724 km (0.079 R)
• M11: 5,234,729 km (0.067 R)
• M12: 5,865,134 km (0.111 R)
• M13: 6,252,593 km (0.096 R)
• M14: 8,495,962 km (0.067 R)
• M15: 12,160,512 km (0.111 R)
• M16: 12,617,084 km (0.099 R)
• M17: 13,564,488 km (0.102 R)
• M18: 13,993,684 km (0.117 R)
• M19: 24,414,073 km (0.086 R)
• M20: 28,490,466 km (0.097 R)
• M21: 29,601,828 km (0.116 R)
• M22: 34,905,073 km (0.092 R)
• M23: 38,812,868 km (0.091 R)
• M24: 40,177,799 km (0.093 R)
• M25: 40,808,504 km (0.116 R)
• M26: 41,960,707 km (0.119 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 16,579 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit