🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791

Radius: 9.9

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.55 AU - 0.73 AU

Year: 347 Days

Day: 5.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,152,500 km

• M1: 125,812 km (0.113 R)
• M2: 593,305 km (0.104 R)
• M3: 1,191,697 km (0.028 R)
• M4: 1,963,322 km (0.095 R)
• M5: 2,311,736 km (0.066 R)
• M6: 2,681,991 km (0.112 R)
• M7: 3,145,894 km (0.059 R)
• M8: 3,484,284 km (0.108 R)
• M9: 3,935,471 km (0.089 R)
• M10: 4,288,971 km (0.034 R)
• M11: 4,706,648 km (0.082 R)
• M12: 5,030,079 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.2

Radius: 13.4

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.81 AU - 1.01 AU

Year: 589 Days

Day: 13 Hours

Environment

Temp: -165 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,152,500 km

• M1: 166,652 km (0.113 R)
• M2: 735,274 km (0.05 R)
• M3: 1,428,510 km (0.045 R)
• M4: 2,390,724 km (0.048 R)
• M5: 2,928,827 km (0.038 R)
• M6: 3,882,364 km (0.066 R)
• M7: 4,438,868 km (0.089 R)
• M8: 4,945,556 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808

Radius: 11.1

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.95 AU - 1.39 AU

Year: 858 Days

Day: 14.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,152,500 km

• M1: 138,079 km (0.051 R)
• M2: 788,381 km (0.104 R)
• M3: 1,411,905 km (0.053 R)
• M4: 1,995,037 km (0.105 R)
• M5: 2,354,521 km (0.093 R)
• M6: 3,113,132 km (0.074 R)
• M7: 3,795,148 km (0.106 R)
• M8: 4,522,493 km (0.118 R)
• M9: 5,094,406 km (0.081 R)
• M10: 5,897,298 km (0.089 R)
• M11: 6,988,165 km (0.059 R)
• M12: 7,388,190 km (0.087 R)
• M13: 8,416,526 km (0.114 R)
• M14: 9,171,995 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.9

Radius: 11.1

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.14 AU - 1.38 AU

Year: 959 Days

Day: 14 Hours

Environment

Temp: -175 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 57,152,500 km

• M1: 138,079 km (0.117 R)
• M2: 518,955 km (0.055 R)
• M3: 864,227 km (0.118 R)
• M4: 1,500,018 km (0.071 R)
• M5: 1,856,061 km (0.027 R)
• M6: 2,225,268 km (0.118 R)
• M7: 3,199,001 km (0.062 R)
• M8: 4,058,740 km (0.079 R)
• M9: 6,322,604 km (0.039 R)
• M10: 7,318,477 km (0.051 R)
• M11: 7,802,127 km (0.046 R)
• M12: 8,443,453 km (0.082 R)
• M13: 9,264,895 km (0.106 R)
• M14: 10,420,988 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.8

Radius: 10.9

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.28 AU - 2.4 AU

Year: 2428 Days

Day: 7.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,152,500 km

• M1: 135,536 km (0.097 R)
• M2: 688,001 km (0.09 R)
• M3: 1,243,308 km (0.069 R)
• M4: 2,005,509 km (0.103 R)
• M5: 3,251,510 km (0.091 R)
• M6: 3,686,092 km (0.052 R)
• M7: 4,497,062 km (0.094 R)
• M8: 5,038,307 km (0.101 R)
• M9: 5,966,412 km (0.112 R)
• M10: 6,397,553 km (0.1 R)
• M11: 7,135,968 km (0.109 R)
• M12: 8,130,794 km (0.09 R)
• M13: 8,571,509 km (0.079 R)
• M14: 9,278,509 km (0.05 R)
• M15: 9,858,500 km (0.03 R)
• M16: 10,913,913 km (0.11 R)
• M17: 11,781,580 km (0.049 R)
• M18: 12,577,890 km (0.117 R)
• M19: 13,128,560 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861

Radius: 9

Gravity: 10.63 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.64 AU - 3.38 AU

Year: 3542 Days

Day: 11.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 57,152,500 km

• M1: 111,899 km (0.12 R)
• M2: 459,565 km (0.068 R)
• M3: 794,215 km (0.076 R)
• M4: 1,335,011 km (0.096 R)
• M5: 2,119,353 km (0.07 R)
• M6: 2,461,483 km (0.043 R)
• M7: 2,892,774 km (0.118 R)
• M8: 3,552,351 km (0.119 R)
• M9: 4,149,396 km (0.031 R)
• M10: 5,090,816 km (0.044 R)
• M11: 5,993,190 km (0.036 R)
• M12: 6,839,465 km (0.096 R)
• M13: 7,324,461 km (0.096 R)
• M14: 7,832,197 km (0.092 R)
• M15: 12,347,808 km (0.082 R)
• M16: 13,713,338 km (0.037 R)
• M17: 14,276,424 km (0.073 R)
• M18: 17,032,316 km (0.091 R)
• M19: 17,984,207 km (0.091 R)
• M20: 19,223,476 km (0.118 R)
• M21: 19,799,428 km (0.081 R)
• M22: 21,323,381 km (0.09 R)
• M23: 22,079,150 km (0.057 R)
• M24: 24,010,009 km (0.047 R)
• M25: 25,358,185 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.4

Radius: 11.3

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.36 AU - 4.28 AU

Year: 5064 Days

Day: 13.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 85.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,152,500 km

• M1: 175,628 km (0.116 R)
• M2: 561,142 km (0.099 R)
• M3: 956,080 km (0.07 R)
• M4: 1,847,683 km (0.066 R)
• M5: 2,534,338 km (0.109 R)
• M6: 3,227,275 km (0.112 R)
• M7: 5,756,975 km (0.117 R)
• M8: 6,139,197 km (0.114 R)
• M9: 7,152,873 km (0.11 R)
• M10: 8,686,251 km (0.088 R)
• M11: 9,269,682 km (0.085 R)
• M12: 10,214,842 km (0.108 R)
• M13: 12,344,367 km (0.098 R)
• M14: 12,734,369 km (0.111 R)
• M15: 15,194,357 km (0.105 R)
• M16: 18,142,183 km (0.091 R)
• M17: 20,897,177 km (0.076 R)
• M18: 21,803,590 km (0.042 R)
• M19: 27,551,889 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.6

Radius: 11.4

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 4.54 AU - 4.66 AU

Year: 6692 Days

Day: 14.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,152,500 km

• M1: 141,819 km (0.038 R)
• M2: 540,647 km (0.076 R)
• M3: 1,226,553 km (0.114 R)
• M4: 1,840,203 km (0.046 R)
• M5: 2,435,753 km (0.118 R)
• M6: 2,859,563 km (0.081 R)
• M7: 3,474,261 km (0.114 R)
• M8: 3,857,680 km (0.049 R)
• M9: 4,364,817 km (0.088 R)
• M10: 5,888,621 km (0.042 R)
• M11: 8,858,588 km (0.084 R)
• M12: 10,777,031 km (0.08 R)
• M13: 11,182,590 km (0.035 R)
• M14: 14,205,963 km (0.03 R)
• M15: 15,305,657 km (0.052 R)
• M16: 15,934,268 km (0.087 R)
• M17: 17,674,091 km (0.114 R)
• M18: 20,413,677 km (0.099 R)
• M19: 22,536,022 km (0.066 R)
• M20: 23,877,765 km (0.064 R)
• M21: 25,036,101 km (0.029 R)
• M22: 27,883,996 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 199.8

Radius: 8

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 7.11 AU - 7.79 AU

Year: 13792 Days

Day: 15.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,152,500 km

• M1: 99,483 km (0.108 R)
• M2: 381,923 km (0.04 R)
• M3: 999,463 km (0.081 R)
• M4: 1,524,253 km (0.038 R)
• M5: 2,394,314 km (0.089 R)
• M6: 3,727,530 km (0.096 R)
• M7: 4,310,064 km (0.074 R)
• M8: 6,014,882 km (0.084 R)
• M9: 10,543,957 km (0.083 R)
• M10: 11,915,770 km (0.034 R)
• M11: 12,236,059 km (0.113 R)
• M12: 14,763,515 km (0.072 R)
• M13: 16,607,608 km (0.108 R)
• M14: 17,757,417 km (0.066 R)
• M15: 23,054,229 km (0.104 R)
• M16: 24,914,628 km (0.09 R)
• M17: 27,516,733 km (0.052 R)
• M18: 28,931,331 km (0.11 R)
• M19: 29,510,574 km (0.117 R)
• M20: 32,110,136 km (0.07 R)
• M21: 33,677,323 km (0.114 R)
• M22: 34,103,677 km (0.037 R)
• M23: 34,967,305 km (0.107 R)
• M24: 38,104,672 km (0.061 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.6

Radius: 7.2

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.47 AU - 8.85 AU

Year: 14379 Days

Day: 24.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,152,500 km

• M1: 98,585 km (0.108 R)
• M2: 332,107 km (0.046 R)
• M3: 566,826 km (0.111 R)
• M4: 830,119 km (0.094 R)
• M5: 1,907,223 km (0.118 R)
• M6: 2,841,612 km (0.072 R)
• M7: 3,098,770 km (0.103 R)
• M8: 7,526,269 km (0.038 R)
• M9: 9,175,137 km (0.111 R)
• M10: 13,558,055 km (0.07 R)
• M11: 16,051,552 km (0.054 R)
• M12: 19,163,188 km (0.093 R)
• M13: 27,798,576 km (0.116 R)
• M14: 29,305,774 km (0.112 R)
• M15: 31,898,754 km (0.081 R)
• M16: 38,579,944 km (0.087 R)
• M17: 51,527,790 km (0.116 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 12,070 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit