🌌 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: 878.1

Radius: 14.4

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.51 AU - 0.53 AU

Year: 264 Days

Day: 6.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,100,073 km

• M1: 179,218 km (0.091 R)
• M2: 651,200 km (0.078 R)
• M3: 1,215,184 km (0.088 R)
• M4: 1,924,726 km (0.035 R)
• M5: 2,389,527 km (0.101 R)
• M6: 3,128,241 km (0.115 R)
• M7: 3,619,520 km (0.099 R)
• M8: 4,187,244 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.9

Radius: 8.6

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.61 AU - 0.87 AU

Year: 447 Days

Day: 13 Hours

Environment

Temp: -154 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,100,073 km

• M1: 106,962 km (0.062 R)
• M2: 479,611 km (0.063 R)
• M3: 765,492 km (0.034 R)
• M4: 1,054,067 km (0.034 R)
• M5: 1,416,542 km (0.071 R)
• M6: 1,922,333 km (0.06 R)
• M7: 2,317,869 km (0.098 R)
• M8: 2,628,285 km (0.114 R)
• M9: 2,911,025 km (0.027 R)
• M10: 3,185,088 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.7

Radius: 9.4

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.83 AU - 0.89 AU

Year: 561 Days

Day: 8.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 75.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,100,073 km

• M1: 117,883 km (0.032 R)
• M2: 540,198 km (0.098 R)
• M3: 863,778 km (0.093 R)
• M4: 1,198,877 km (0.097 R)
• M5: 1,553,275 km (0.106 R)
• M6: 2,049,491 km (0.119 R)
• M7: 2,594,625 km (0.066 R)
• M8: 3,097,873 km (0.093 R)
• M9: 4,438,718 km (0.097 R)
• M10: 5,091,564 km (0.079 R)
• M11: 5,695,789 km (0.081 R)
• M12: 6,189,462 km (0.102 R)
• M13: 6,690,765 km (0.06 R)
• M14: 7,306,061 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.6

Radius: 13.5

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.24 AU - 1.94 AU

Year: 1409 Days

Day: 12.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,100,073 km

• M1: 167,849 km (0.069 R)
• M2: 711,338 km (0.079 R)
• M3: 1,163,123 km (0.069 R)
• M4: 1,609,224 km (0.12 R)
• M5: 2,280,021 km (0.063 R)
• M6: 2,725,374 km (0.101 R)
• M7: 3,215,307 km (0.098 R)
• M8: 3,748,474 km (0.107 R)
• M9: 5,445,961 km (0.116 R)
• M10: 6,054,375 km (0.105 R)
• M11: 7,234,703 km (0.116 R)
• M12: 9,183,963 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.4

Radius: 10.1

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.59 AU - 1.97 AU

Year: 1669 Days

Day: 6.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,100,073 km

• M1: 125,662 km (0.058 R)
• M2: 470,784 km (0.105 R)
• M3: 1,673,701 km (0.086 R)
• M4: 2,846,249 km (0.066 R)
• M5: 4,442,907 km (0.086 R)
• M6: 4,857,892 km (0.114 R)
• M7: 5,402,727 km (0.1 R)
• M8: 6,032,684 km (0.077 R)
• M9: 6,377,357 km (0.085 R)
• M10: 6,882,100 km (0.107 R)
• M11: 9,232,433 km (0.069 R)
• M12: 10,005,554 km (0.11 R)
• M13: 10,621,449 km (0.051 R)
• M14: 11,193,810 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881

Radius: 14.5

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.75 AU - 2.45 AU

Year: 2139 Days

Day: 12.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,100,073 km

• M1: 180,265 km (0.088 R)
• M2: 704,157 km (0.053 R)
• M3: 1,169,706 km (0.096 R)
• M4: 1,731,895 km (0.12 R)
• M5: 2,196,845 km (0.048 R)
• M6: 2,702,336 km (0.107 R)
• M7: 3,405,596 km (0.12 R)
• M8: 3,857,979 km (0.104 R)
• M9: 4,309,765 km (0.081 R)
• M10: 5,610,369 km (0.116 R)
• M11: 7,662,553 km (0.099 R)
• M12: 8,285,777 km (0.082 R)
• M13: 10,065,842 km (0.094 R)
• M14: 10,623,842 km (0.056 R)
• M15: 11,281,325 km (0.11 R)
• M16: 12,507,579 km (0.117 R)
• M17: 13,197,075 km (0.098 R)
• M18: 14,048,586 km (0.113 R)
• M19: 14,793,883 km (0.093 R)
• M20: 15,911,379 km (0.113 R)
• M21: 16,618,678 km (0.097 R)
• M22: 17,612,008 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.8

Radius: 8.4

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.98 AU - 2.24 AU

Year: 2154 Days

Day: 6.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,100,073 km

• M1: 104,569 km (0.077 R)
• M2: 386,411 km (0.119 R)
• M3: 713,582 km (0.064 R)
• M4: 1,497,774 km (0.052 R)
• M5: 1,861,446 km (0.106 R)
• M6: 2,944,086 km (0.074 R)
• M7: 3,335,883 km (0.038 R)
• M8: 3,604,561 km (0.096 R)
• M9: 3,905,851 km (0.077 R)
• M10: 4,204,897 km (0.092 R)
• M11: 4,870,308 km (0.046 R)
• M12: 5,534,373 km (0.105 R)
• M13: 5,816,365 km (0.054 R)
• M14: 7,042,021 km (0.097 R)
• M15: 7,543,323 km (0.028 R)
• M16: 7,832,047 km (0.098 R)
• M17: 8,128,101 km (0.073 R)
• M18: 13,016,361 km (0.102 R)
• M19: 13,558,953 km (0.111 R)
• M20: 15,094,724 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725.3

Radius: 6.9

Gravity: 15.23 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.25 AU - 8.03 AU

Year: 12027 Days

Day: 20.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,100,073 km

• M1: 88,861 km (0.083 R)
• M2: 307,573 km (0.104 R)
• M3: 1,112,410 km (0.094 R)
• M4: 1,417,440 km (0.112 R)
• M5: 2,068,340 km (0.113 R)
• M6: 3,041,774 km (0.107 R)
• M7: 3,669,636 km (0.113 R)
• M8: 4,689,594 km (0.081 R)
• M9: 5,079,446 km (0.098 R)
• M10: 6,340,556 km (0.038 R)
• M11: 6,940,294 km (0.042 R)
• M12: 8,298,792 km (0.116 R)
• M13: 10,905,236 km (0.11 R)
• M14: 13,618,941 km (0.064 R)
• M15: 14,011,785 km (0.068 R)
• M16: 15,588,248 km (0.116 R)
• M17: 17,585,379 km (0.085 R)
• M18: 20,676,520 km (0.084 R)
• M19: 21,195,625 km (0.12 R)
• M20: 27,909,428 km (0.063 R)
• M21: 28,863,862 km (0.09 R)
• M22: 31,401,790 km (0.105 R)
• M23: 34,687,408 km (0.111 R)
• M24: 35,052,427 km (0.106 R)
• M25: 36,538,382 km (0.105 R)
• M26: 38,195,179 km (0.107 R)
• M27: 46,937,379 km (0.076 R)
• M28: 51,374,751 km (0.04 R)
• M29: 54,921,866 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916.1

Radius: 5.1

Gravity: 35.22 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 7.22 AU - 9.66 AU

Year: 17235 Days

Day: 15.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,100,073 km

• M1: 559,496 km (0.113 R)
• M2: 736,171 km (0.103 R)
• M3: 1,220,419 km (0.077 R)
• M4: 1,475,035 km (0.104 R)
• M5: 2,367,237 km (0.053 R)
• M6: 2,619,459 km (0.052 R)
• M7: 5,139,734 km (0.059 R)
• M8: 7,398,512 km (0.109 R)
• M9: 7,838,480 km (0.074 R)
• M10: 8,987,391 km (0.114 R)
• M11: 11,420,152 km (0.059 R)
• M12: 15,405,439 km (0.096 R)
• M13: 20,134,677 km (0.046 R)
• M14: 23,184,828 km (0.114 R)
• M15: 24,337,180 km (0.118 R)
• M16: 38,320,243 km (0.108 R)
• M17: 45,343,264 km (0.032 R)
• M18: 46,482,003 km (0.115 R)
• M19: 46,810,819 km (0.059 R)
• M20: 49,156,215 km (0.106 R)
• M21: 50,531,019 km (0.1 R)
• M22: 54,992,028 km (0.103 R)
• M23: 68,438,931 km (0.1 R)
• M24: 72,112,756 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 274.6

Radius: 6.5

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 10.07 AU - 10.23 AU

Year: 22730 Days

Day: 17.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,100,073 km

• M1: 80,932 km (0.11 R)
• M2: 321,486 km (0.074 R)
• M3: 804,089 km (0.103 R)
• M4: 1,242,261 km (0.085 R)
• M5: 1,493,436 km (0.109 R)
• M6: 1,728,304 km (0.069 R)
• M7: 2,543,164 km (0.093 R)
• M8: 5,068,974 km (0.1 R)
• M9: 9,742,711 km (0.075 R)
• M10: 10,512,242 km (0.072 R)
• M11: 10,854,373 km (0.113 R)
• M12: 11,440,796 km (0.059 R)
• M13: 12,869,456 km (0.116 R)
• M14: 14,483,168 km (0.105 R)
• M15: 22,572,673 km (0.101 R)
• M16: 24,112,185 km (0.095 R)
• M17: 25,617,887 km (0.062 R)
• M18: 36,896,819 km (0.094 R)
• M19: 41,380,865 km (0.103 R)
• M20: 49,638,668 km (0.065 R)
• M21: 50,439,615 km (0.118 R)
• M22: 52,562,558 km (0.114 R)
• M23: 54,574,500 km (0.081 R)
• M24: 55,256,367 km (0.079 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: 310 - 18,262 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit