🌌 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: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.6

Radius: 14.9

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.65 AU - 1.07 AU

Year: 515 Days

Day: 5.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,366,061 km

• M1: 185,352 km (0.11 R)
• M2: 658,979 km (0.119 R)
• M3: 1,372,411 km (0.079 R)
• M4: 2,074,773 km (0.094 R)
• M5: 2,800,921 km (0.118 R)
• M6: 3,327,206 km (0.104 R)
• M7: 4,299,892 km (0.11 R)
• M8: 5,070,620 km (0.109 R)
• M9: 5,895,652 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.3

Radius: 8.7

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.8 AU - 1.26 AU

Year: 675 Days

Day: 6.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 58,366,061 km

• M1: 108,309 km (0.093 R)
• M2: 394,041 km (0.109 R)
• M3: 686,953 km (0.081 R)
• M4: 964,757 km (0.036 R)
• M5: 1,294,321 km (0.085 R)
• M6: 1,638,545 km (0.107 R)
• M7: 2,545,258 km (0.076 R)
• M8: 3,091,440 km (0.064 R)
• M9: 3,455,412 km (0.068 R)
• M10: 3,834,193 km (0.067 R)
• M11: 5,443,418 km (0.034 R)
• M12: 5,723,315 km (0.069 R)
• M13: 6,068,138 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.2

Radius: 11.3

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.46 AU - 2.32 AU

Year: 1678 Days

Day: 13.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,366,061 km

• M1: 140,622 km (0.106 R)
• M2: 496,366 km (0.037 R)
• M3: 930,499 km (0.091 R)
• M4: 1,359,845 km (0.11 R)
• M5: 1,772,585 km (0.073 R)
• M6: 2,131,620 km (0.111 R)
• M7: 2,634,718 km (0.096 R)
• M8: 3,285,768 km (0.052 R)
• M9: 4,357,636 km (0.065 R)
• M10: 4,872,253 km (0.046 R)
• M11: 5,309,079 km (0.102 R)
• M12: 6,327,691 km (0.078 R)
• M13: 7,797,490 km (0.094 R)
• M14: 8,776,757 km (0.103 R)
• M15: 9,599,995 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.9

Radius: 13.9

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.3 AU - 4.08 AU

Year: 4577 Days

Day: 14.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,366,061 km

• M1: 173,534 km (0.119 R)
• M2: 798,254 km (0.055 R)
• M3: 1,355,357 km (0.073 R)
• M4: 2,575,926 km (0.074 R)
• M5: 3,377,471 km (0.092 R)
• M6: 3,903,457 km (0.103 R)
• M7: 5,284,246 km (0.076 R)
• M8: 6,838,418 km (0.101 R)
• M9: 7,756,949 km (0.114 R)
• M10: 8,376,583 km (0.036 R)
• M11: 12,079,878 km (0.114 R)
• M12: 13,890,761 km (0.06 R)
• M13: 17,794,966 km (0.117 R)
• M14: 18,488,801 km (0.113 R)
• M15: 19,266,261 km (0.088 R)
• M16: 23,409,972 km (0.078 R)
• M17: 24,551,255 km (0.098 R)
• M18: 25,969,592 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.9

Radius: 12.8

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.03 AU - 5.49 AU

Year: 6705 Days

Day: 11.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,366,061 km

• M1: 159,322 km (0.088 R)
• M2: 605,572 km (0.089 R)
• M3: 1,266,645 km (0.115 R)
• M4: 2,151,068 km (0.115 R)
• M5: 2,592,382 km (0.103 R)
• M6: 3,177,160 km (0.106 R)
• M7: 4,400,272 km (0.097 R)
• M8: 4,975,476 km (0.054 R)
• M9: 6,378,105 km (0.058 R)
• M10: 6,864,149 km (0.064 R)
• M11: 8,350,703 km (0.08 R)
• M12: 12,318,637 km (0.05 R)
• M13: 13,690,748 km (0.061 R)
• M14: 14,443,525 km (0.074 R)
• M15: 15,655,118 km (0.081 R)
• M16: 16,094,786 km (0.092 R)
• M17: 18,838,261 km (0.081 R)
• M18: 19,336,123 km (0.048 R)
• M19: 20,283,826 km (0.051 R)
• M20: 20,806,820 km (0.092 R)
• M21: 23,151,018 km (0.106 R)
• M22: 23,640,204 km (0.08 R)
• M23: 24,303,221 km (0.107 R)
• M24: 28,731,318 km (0.111 R)
• M25: 30,351,762 km (0.054 R)
• M26: 31,432,308 km (0.112 R)
• M27: 34,403,920 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.8

Radius: 3.1

Gravity: 25.06 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 9.46 AU - 11.98 AU

Year: 22662 Days

Day: 17.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,366,061 km

• M1: 40,242 km (0.042 R)
• M2: 141,819 km (0.062 R)
• M3: 602,131 km (0.111 R)
• M4: 865,124 km (0.105 R)
• M5: 994,377 km (0.055 R)
• M6: 2,851,635 km (0.117 R)
• M7: 5,178,480 km (0.082 R)
• M8: 8,192,578 km (0.089 R)
• M9: 9,020,452 km (0.048 R)
• M10: 9,689,903 km (0.08 R)
• M11: 11,537,137 km (0.088 R)
• M12: 19,366,791 km (0.034 R)
• M13: 20,826,567 km (0.049 R)
• M14: 26,874,958 km (0.114 R)
• M15: 30,465,756 km (0.113 R)
• M16: 35,606,687 km (0.118 R)
• M17: 37,008,868 km (0.12 R)
• M18: 37,267,672 km (0.094 R)
• M19: 40,743,279 km (0.111 R)
• M20: 41,296,343 km (0.08 R)
• M21: 46,803,489 km (0.065 R)
• M22: 51,804,396 km (0.082 R)
• M23: 53,437,257 km (0.113 R)
• M24: 55,780,558 km (0.083 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: 517 - 14,754 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit