🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.3

Radius: 8.5

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.45 AU - 0.69 AU

Year: 287 Days

Day: 12.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 87,030,509 km

• M1: 105,766 km (0.063 R)
• M2: 391,049 km (0.103 R)
• M3: 838,346 km (0.08 R)
• M4: 1,112,111 km (0.06 R)
• M5: 1,376,749 km (0.091 R)
• M6: 1,650,065 km (0.105 R)
• M7: 2,030,641 km (0.116 R)
• M8: 2,468,963 km (0.12 R)

Asteroid Belt

Center: 1.17 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.3

Radius: 14.3

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.39 AU - 2.13 AU

Year: 1557 Days

Day: 14.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,030,509 km

• M1: 177,872 km (0.044 R)
• M2: 725,550 km (0.089 R)
• M3: 1,219,821 km (0.053 R)
• M4: 1,786,348 km (0.089 R)
• M5: 2,965,179 km (0.094 R)
• M6: 3,468,277 km (0.116 R)
• M7: 4,776,959 km (0.072 R)
• M8: 5,596,008 km (0.058 R)
• M9: 6,621,800 km (0.051 R)
• M10: 7,514,750 km (0.031 R)
• M11: 7,977,456 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.7

Radius: 8.5

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.26 AU - 2.88 AU

Year: 2747 Days

Day: 11.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,030,509 km

• M1: 105,766 km (0.108 R)
• M2: 382,223 km (0.085 R)
• M3: 906,413 km (0.058 R)
• M4: 1,775,128 km (0.052 R)
• M5: 2,642,048 km (0.118 R)
• M6: 2,922,993 km (0.073 R)
• M7: 3,334,387 km (0.092 R)
• M8: 4,387,706 km (0.054 R)
• M9: 4,824,831 km (0.097 R)
• M10: 6,045,699 km (0.094 R)
• M11: 6,587,542 km (0.067 R)
• M12: 7,853,589 km (0.085 R)
• M13: 8,773,018 km (0.044 R)
• M14: 11,074,282 km (0.114 R)
• M15: 11,438,253 km (0.1 R)
• M16: 12,735,865 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.3

Radius: 8.3

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.01 AU - 3.21 AU

Year: 2812 Days

Day: 11.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 87,030,509 km

• M1: 103,671 km (0.047 R)
• M2: 392,096 km (0.105 R)
• M3: 916,287 km (0.069 R)
• M4: 2,022,414 km (0.115 R)
• M5: 2,598,814 km (0.077 R)
• M6: 2,902,199 km (0.102 R)
• M7: 3,526,620 km (0.101 R)
• M8: 4,156,278 km (0.08 R)
• M9: 4,424,058 km (0.027 R)
• M10: 4,747,488 km (0.049 R)
• M11: 5,466,157 km (0.114 R)
• M12: 5,864,536 km (0.101 R)
• M13: 6,552,985 km (0.027 R)
• M14: 7,147,637 km (0.051 R)
• M15: 7,443,092 km (0.111 R)
• M16: 8,509,576 km (0.112 R)
• M17: 9,426,461 km (0.094 R)
• M18: 9,782,354 km (0.03 R)
• M19: 10,258,225 km (0.07 R)
• M20: 10,711,208 km (0.077 R)
• M21: 11,020,426 km (0.107 R)
• M22: 11,455,607 km (0.107 R)
• M23: 11,984,435 km (0.076 R)
• M24: 13,759,563 km (0.114 R)
• M25: 14,403,881 km (0.086 R)
• M26: 15,359,064 km (0.043 R)
• M27: 16,974,272 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 469.8

Radius: 10

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 3.01 AU - 3.55 AU

Year: 3961 Days

Day: 11.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 87,030,509 km

• M1: 124,316 km (0.116 R)
• M2: 536,907 km (0.065 R)
• M3: 881,431 km (0.104 R)
• M4: 1,218,026 km (0.12 R)
• M5: 1,664,426 km (0.053 R)
• M6: 2,288,548 km (0.101 R)
• M7: 2,711,312 km (0.11 R)
• M8: 3,185,687 km (0.112 R)
• M9: 3,538,588 km (0.116 R)
• M10: 4,345,818 km (0.064 R)
• M11: 4,757,811 km (0.107 R)
• M12: 5,120,885 km (0.09 R)
• M13: 6,124,537 km (0.064 R)
• M14: 6,822,860 km (0.091 R)
• M15: 9,883,183 km (0.1 R)
• M16: 10,926,628 km (0.108 R)
• M17: 13,612,359 km (0.097 R)
• M18: 14,000,865 km (0.079 R)
• M19: 14,902,341 km (0.074 R)
• M20: 15,419,651 km (0.098 R)
• M21: 17,954,886 km (0.033 R)
• M22: 19,139,252 km (0.118 R)
• M23: 21,663,118 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.3

Radius: 3.4

Gravity: 74.94 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 9.46 AU - 10.96 AU

Year: 21755 Days

Day: 19.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 87,030,509 km

• M1: 42,336 km (0.115 R)
• M2: 188,942 km (0.104 R)
• M3: 477,217 km (0.089 R)
• M4: 697,276 km (0.047 R)
• M5: 871,108 km (0.101 R)
• M6: 1,156,840 km (0.116 R)
• M7: 1,417,889 km (0.088 R)
• M8: 1,831,676 km (0.109 R)
• M9: 1,972,448 km (0.085 R)
• M10: 2,163,784 km (0.117 R)
• M11: 2,633,820 km (0.068 R)
• M12: 2,866,146 km (0.118 R)
• M13: 3,028,459 km (0.117 R)
• M14: 3,431,177 km (0.046 R)
• M15: 4,484,346 km (0.057 R)
• M16: 5,485,156 km (0.107 R)
• M17: 5,609,471 km (0.083 R)
• M18: 6,214,744 km (0.061 R)
• M19: 13,066,327 km (0.057 R)
• M20: 14,514,883 km (0.092 R)
• M21: 16,752,718 km (0.096 R)
• M22: 20,375,380 km (0.084 R)
• M23: 21,690,046 km (0.089 R)
• M24: 23,060,213 km (0.108 R)
• M25: 26,088,223 km (0.097 R)
• M26: 27,514,938 km (0.066 R)
• M27: 30,135,743 km (0.114 R)
• M28: 31,307,992 km (0.101 R)
• M29: 34,021,398 km (0.07 R)
• M30: 34,441,469 km (0.092 R)
• M31: 35,006,949 km (0.101 R)
• M32: 38,986,701 km (0.117 R)
• M33: 39,446,565 km (0.055 R)
• M34: 54,986,493 km (0.092 R)
• M35: 55,178,875 km (0.111 R)
• M36: 57,126,939 km (0.093 R)
• M37: 60,338,506 km (0.105 R)
• M38: 61,573,287 km (0.083 R)
• M39: 64,092,964 km (0.052 R)
• M40: 68,000,161 km (0.027 R)
• M41: 70,918,666 km (0.108 R)
• M42: 74,388,588 km (0.119 R)
• M43: 75,569,813 km (0.108 R)
• M44: 83,427,890 km (0.067 R)
• M45: 86,769,757 km (0.21 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 305 - 15,460 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit