🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841

Radius: 8

Gravity: 13.14 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 0.5 AU - 0.52 AU

Year: 251 Days

Day: 14.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,998,375 km

• M1: 100,081 km (0.108 R)
• M2: 354,846 km (0.098 R)
• M3: 653,892 km (0.071 R)
• M4: 926,460 km (0.091 R)
• M5: 1,217,577 km (0.112 R)
• M6: 1,557,314 km (0.027 R)
• M7: 1,837,062 km (0.101 R)
• M8: 2,111,275 km (0.094 R)
• M9: 2,473,152 km (0.081 R)
• M10: 2,818,723 km (0.099 R)
• M11: 3,083,661 km (0.116 R)
• M12: 3,495,803 km (0.095 R)
• M13: 4,226,439 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.4

Radius: 14.7

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.68 AU - 1.1 AU

Year: 580 Days

Day: 6.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 35,998,375 km

• M1: 182,809 km (0.09 R)
• M2: 790,625 km (0.114 R)
• M3: 1,473,838 km (0.109 R)
• M4: 1,957,339 km (0.116 R)
• M5: 2,598,964 km (0.113 R)
• M6: 3,391,384 km (0.048 R)
• M7: 3,905,851 km (0.103 R)
• M8: 4,443,057 km (0.086 R)
• M9: 5,597,952 km (0.12 R)
• M10: 6,227,759 km (0.12 R)
• M11: 6,706,173 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.1

Radius: 9.1

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.41 AU - 2.71 AU

Year: 2827 Days

Day: 13.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,998,375 km

• M1: 128,953 km (0.049 R)
• M2: 413,638 km (0.069 R)
• M3: 729,738 km (0.086 R)
• M4: 1,029,084 km (0.055 R)
• M5: 1,442,273 km (0.069 R)
• M6: 2,015,233 km (0.046 R)
• M7: 2,561,864 km (0.05 R)
• M8: 3,012,901 km (0.078 R)
• M9: 3,348,449 km (0.107 R)
• M10: 4,486,141 km (0.074 R)
• M11: 5,890,416 km (0.09 R)
• M12: 6,532,789 km (0.06 R)
• M13: 7,190,272 km (0.088 R)
• M14: 8,706,746 km (0.056 R)
• M15: 10,150,664 km (0.069 R)
• M16: 13,791,428 km (0.051 R)
• M17: 15,227,418 km (0.074 R)
• M18: 15,849,894 km (0.078 R)
• M19: 17,536,610 km (0.111 R)
• M20: 19,946,782 km (0.113 R)
• M21: 20,441,502 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.4

Radius: 14.2

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.18 AU - 3.28 AU

Year: 4007 Days

Day: 9.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,998,375 km

• M1: 180,116 km (0.052 R)
• M2: 733,179 km (0.066 R)
• M3: 1,770,491 km (0.1 R)
• M4: 3,574,342 km (0.093 R)
• M5: 4,145,656 km (0.087 R)
• M6: 4,972,932 km (0.109 R)
• M7: 5,858,552 km (0.055 R)
• M8: 7,012,849 km (0.097 R)
• M9: 8,313,602 km (0.057 R)
• M10: 11,120,956 km (0.047 R)
• M11: 12,183,251 km (0.077 R)
• M12: 12,760,100 km (0.095 R)
• M13: 13,924,271 km (0.087 R)
• M14: 14,464,020 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.3

Radius: 8.1

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.09 AU - 3.43 AU

Year: 4063 Days

Day: 9.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,998,375 km

• M1: 100,979 km (0.108 R)
• M2: 472,280 km (0.109 R)
• M3: 805,585 km (0.119 R)
• M4: 1,075,609 km (0.108 R)
• M5: 1,359,545 km (0.066 R)
• M6: 1,618,499 km (0.096 R)
• M7: 2,133,714 km (0.093 R)
• M8: 3,294,145 km (0.069 R)
• M9: 3,825,367 km (0.082 R)
• M10: 4,203,551 km (0.055 R)
• M11: 5,440,575 km (0.086 R)
• M12: 6,344,595 km (0.047 R)
• M13: 6,875,518 km (0.05 R)
• M14: 7,618,870 km (0.056 R)
• M15: 8,316,295 km (0.104 R)
• M16: 9,125,021 km (0.117 R)
• M17: 10,059,110 km (0.11 R)
• M18: 10,780,920 km (0.107 R)
• M19: 12,889,353 km (0.102 R)
• M20: 13,198,721 km (0.086 R)
• M21: 13,558,354 km (0.082 R)
• M22: 13,924,570 km (0.09 R)
• M23: 16,261,887 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.6

Radius: 14.8

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 3.36 AU - 3.64 AU

Year: 4520 Days

Day: 9.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,998,375 km

• M1: 184,005 km (0.046 R)
• M2: 658,380 km (0.091 R)
• M3: 1,476,980 km (0.029 R)
• M4: 2,124,140 km (0.101 R)
• M5: 2,975,502 km (0.048 R)
• M6: 3,676,966 km (0.039 R)
• M7: 4,439,167 km (0.073 R)
• M8: 6,652,318 km (0.069 R)
• M9: 7,647,593 km (0.115 R)
• M10: 8,476,066 km (0.098 R)
• M11: 9,323,986 km (0.064 R)
• M12: 10,441,183 km (0.064 R)
• M13: 11,234,351 km (0.086 R)
• M14: 12,114,884 km (0.085 R)
• M15: 13,444,809 km (0.085 R)
• M16: 16,805,675 km (0.092 R)
• M17: 18,712,300 km (0.119 R)
• M18: 23,616,717 km (0.074 R)
• M19: 24,752,763 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.7

Radius: 13.6

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.87 AU - 5.43 AU

Year: 6921 Days

Day: 13.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,998,375 km

• M1: 169,195 km (0.112 R)
• M2: 702,512 km (0.118 R)
• M3: 1,175,690 km (0.076 R)
• M4: 2,229,756 km (0.052 R)
• M5: 3,242,085 km (0.082 R)
• M6: 3,794,849 km (0.067 R)
• M7: 4,921,920 km (0.111 R)
• M8: 6,261,269 km (0.108 R)
• M9: 6,700,189 km (0.096 R)
• M10: 9,000,705 km (0.078 R)
• M11: 10,330,032 km (0.071 R)
• M12: 11,786,517 km (0.087 R)
• M13: 12,406,002 km (0.106 R)
• M14: 15,103,999 km (0.033 R)
• M15: 16,911,740 km (0.084 R)
• M16: 19,422,591 km (0.113 R)
• M17: 22,484,859 km (0.037 R)
• M18: 25,941,916 km (0.091 R)
• M19: 28,988,627 km (0.062 R)
• M20: 35,145,327 km (0.09 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 149 - 19,775 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit