🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.3

Radius: 12.3

Gravity: 5.94 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.6 AU - 0.82 AU

Year: 406 Days

Day: 5.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,825,703 km

• M1: 153,039 km (0.086 R)
• M2: 539,749 km (0.116 R)
• M3: 959,222 km (0.102 R)
• M4: 1,438,683 km (0.095 R)
• M5: 1,945,969 km (0.104 R)
• M6: 2,552,140 km (0.045 R)
• M7: 3,042,521 km (0.09 R)
• M8: 3,460,199 km (0.109 R)
• M9: 3,903,158 km (0.068 R)
• M10: 4,676,280 km (0.1 R)
• M11: 5,927,516 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.9

Radius: 13.9

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.76 AU - 0.8 AU

Year: 467 Days

Day: 5 Hours

Environment

Temp: -169 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,825,703 km

• M1: 173,085 km (0.116 R)
• M2: 629,957 km (0.075 R)
• M3: 1,107,174 km (0.08 R)
• M4: 1,804,749 km (0.1 R)
• M5: 2,423,486 km (0.119 R)
• M6: 3,604,112 km (0.064 R)
• M7: 4,078,786 km (0.108 R)
• M8: 4,830,066 km (0.025 R)
• M9: 5,478,573 km (0.085 R)
• M10: 5,942,775 km (0.117 R)
• M11: 6,609,384 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.8

Radius: 11.4

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.83 AU - 1.23 AU

Year: 709 Days

Day: 5.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,825,703 km

• M1: 141,819 km (0.036 R)
• M2: 518,955 km (0.114 R)
• M3: 904,020 km (0.106 R)
• M4: 1,669,213 km (0.106 R)
• M5: 2,395,660 km (0.074 R)
• M6: 2,930,622 km (0.08 R)
• M7: 3,386,447 km (0.071 R)
• M8: 3,903,607 km (0.109 R)
• M9: 4,302,584 km (0.112 R)
• M10: 5,448,354 km (0.065 R)
• M11: 5,815,916 km (0.118 R)
• M12: 6,200,084 km (0.119 R)
• M13: 6,766,312 km (0.111 R)
• M14: 7,771,609 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.7

Radius: 8.4

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.27 AU - 1.79 AU

Year: 1284 Days

Day: 8.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,825,703 km

• M1: 104,569 km (0.078 R)
• M2: 398,978 km (0.112 R)
• M3: 750,084 km (0.097 R)
• M4: 1,169,556 km (0.089 R)
• M5: 2,289,147 km (0.103 R)
• M6: 2,678,699 km (0.111 R)
• M7: 3,195,710 km (0.063 R)
• M8: 4,323,678 km (0.066 R)
• M9: 4,624,968 km (0.062 R)
• M10: 5,309,677 km (0.052 R)
• M11: 5,634,903 km (0.099 R)
• M12: 6,060,060 km (0.093 R)
• M13: 6,392,915 km (0.066 R)
• M14: 7,095,427 km (0.083 R)
• M15: 8,379,126 km (0.109 R)
• M16: 9,720,870 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.5

Radius: 13.3

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.4 AU - 1.78 AU

Year: 1360 Days

Day: 13.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,825,703 km

• M1: 166,652 km (0.078 R)
• M2: 607,517 km (0.109 R)
• M3: 1,329,626 km (0.034 R)
• M4: 2,119,951 km (0.091 R)
• M5: 2,896,514 km (0.077 R)
• M6: 3,769,866 km (0.1 R)
• M7: 4,438,419 km (0.066 R)
• M8: 6,447,967 km (0.111 R)
• M9: 7,765,775 km (0.089 R)
• M10: 9,130,257 km (0.117 R)
• M11: 9,738,373 km (0.119 R)
• M12: 10,373,416 km (0.092 R)
• M13: 11,000,380 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.6

Radius: 13.5

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.22 AU - 1.96 AU

Year: 1360 Days

Day: 8.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,825,703 km

• M1: 167,998 km (0.088 R)
• M2: 692,788 km (0.098 R)
• M3: 1,651,261 km (0.108 R)
• M4: 2,140,147 km (0.085 R)
• M5: 2,573,083 km (0.103 R)
• M6: 3,327,057 km (0.117 R)
• M7: 3,880,569 km (0.046 R)
• M8: 4,385,462 km (0.103 R)
• M9: 5,033,220 km (0.102 R)
• M10: 5,506,997 km (0.114 R)
• M11: 6,010,693 km (0.103 R)
• M12: 6,449,912 km (0.12 R)
• M13: 7,315,485 km (0.119 R)
• M14: 7,763,232 km (0.084 R)
• M15: 8,341,577 km (0.086 R)
• M16: 9,097,346 km (0.09 R)
• M17: 9,522,952 km (0.108 R)
• M18: 10,914,361 km (0.115 R)
• M19: 11,998,796 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987

Radius: 12.8

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.79 AU - 2.93 AU

Year: 2459 Days

Day: 12.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 76,825,703 km

• M1: 159,172 km (0.113 R)
• M2: 622,178 km (0.092 R)
• M3: 1,079,049 km (0.095 R)
• M4: 1,529,339 km (0.077 R)
• M5: 2,030,193 km (0.041 R)
• M6: 2,748,262 km (0.062 R)
• M7: 3,316,884 km (0.116 R)
• M8: 3,862,916 km (0.084 R)
• M9: 4,274,161 km (0.096 R)
• M10: 4,829,468 km (0.088 R)
• M11: 5,357,698 km (0.104 R)
• M12: 5,792,130 km (0.119 R)
• M13: 6,277,875 km (0.095 R)
• M14: 7,269,858 km (0.11 R)
• M15: 9,271,926 km (0.053 R)
• M16: 9,900,537 km (0.109 R)
• M17: 10,322,403 km (0.104 R)
• M18: 10,997,987 km (0.083 R)
• M19: 12,044,873 km (0.087 R)
• M20: 13,111,206 km (0.098 R)
• M21: 13,527,088 km (0.113 R)
• M22: 15,947,731 km (0.064 R)
• M23: 17,398,382 km (0.112 R)
• M24: 18,298,662 km (0.03 R)
• M25: 18,993,993 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.7

Radius: 4.4

Gravity: 11.86 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.51 AU - 6.61 AU

Year: 10118 Days

Day: 20.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,825,703 km

• M1: 54,753 km (0.09 R)
• M2: 406,607 km (0.081 R)
• M3: 590,912 km (0.094 R)
• M4: 1,337,106 km (0.106 R)
• M5: 2,718,792 km (0.071 R)
• M6: 4,143,562 km (0.065 R)
• M7: 4,395,784 km (0.086 R)
• M8: 5,099,941 km (0.1 R)
• M9: 5,419,482 km (0.11 R)
• M10: 11,896,172 km (0.073 R)
• M11: 13,305,384 km (0.104 R)
• M12: 17,275,263 km (0.09 R)
• M13: 22,348,875 km (0.071 R)
• M14: 28,153,272 km (0.117 R)
• M15: 31,207,612 km (0.06 R)
• M16: 31,785,658 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359

Radius: 5.6

Gravity: 11.45 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7.64 AU - 7.82 AU

Year: 14577 Days

Day: 16.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 76,825,703 km

• M1: 70,012 km (0.027 R)
• M2: 254,466 km (0.09 R)
• M3: 673,340 km (0.073 R)
• M4: 1,024,596 km (0.057 R)
• M5: 1,317,658 km (0.08 R)
• M6: 1,820,307 km (0.119 R)
• M7: 2,160,492 km (0.054 R)
• M8: 2,442,784 km (0.113 R)
• M9: 2,878,861 km (0.096 R)
• M10: 4,993,876 km (0.111 R)
• M11: 5,286,639 km (0.088 R)
• M12: 6,459,187 km (0.114 R)
• M13: 7,207,925 km (0.074 R)
• M14: 7,414,220 km (0.112 R)
• M15: 11,275,640 km (0.039 R)
• M16: 12,357,532 km (0.077 R)
• M17: 13,506,893 km (0.071 R)
• M18: 17,677,232 km (0.105 R)
• M19: 17,901,928 km (0.071 R)
• M20: 18,665,027 km (0.044 R)
• M21: 20,584,517 km (0.039 R)
• M22: 21,677,330 km (0.101 R)
• M23: 29,791,967 km (0.032 R)
• M24: 35,045,545 km (0.095 R)
• M25: 35,877,309 km (0.096 R)
• M26: 36,237,840 km (0.063 R)
• M27: 37,703,899 km (0.073 R)
• M28: 38,703,064 km (0.044 R)
• M29: 41,938,865 km (0.107 R)
• M30: 42,338,890 km (0.089 R)
• M31: 48,209,559 km (0.077 R)
• M32: 49,385,997 km (0.085 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.9

Radius: 4.8

Gravity: 41.84 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.81 AU - 10.39 AU

Year: 17106 Days

Day: 15.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 76,825,703 km

• M1: 59,690 km (0.11 R)
• M2: 213,327 km (0.061 R)
• M3: 436,826 km (0.112 R)
• M4: 603,029 km (0.086 R)
• M5: 801,545 km (0.118 R)
• M6: 1,018,313 km (0.082 R)
• M7: 1,332,618 km (0.115 R)
• M8: 2,719,390 km (0.085 R)
• M9: 2,868,838 km (0.119 R)
• M10: 3,552,501 km (0.106 R)
• M11: 4,338,787 km (0.105 R)
• M12: 4,826,775 km (0.11 R)
• M13: 6,291,787 km (0.097 R)
• M14: 8,549,369 km (0.042 R)
• M15: 9,036,011 km (0.095 R)
• M16: 13,041,793 km (0.051 R)
• M17: 16,067,559 km (0.046 R)
• M18: 18,981,875 km (0.116 R)
• M19: 21,044,381 km (0.109 R)
• M20: 26,390,411 km (0.12 R)
• M21: 26,616,752 km (0.03 R)
• M22: 26,844,440 km (0.111 R)
• M23: 32,187,029 km (0.119 R)
• M24: 36,489,165 km (0.083 R)
• M25: 37,764,786 km (0.066 R)
• M26: 38,196,525 km (0.086 R)
• M27: 46,048,469 km (0.105 R)
• M28: 48,040,514 km (0.076 R)
• M29: 55,094,652 km (0.111 R)
• M30: 55,649,810 km (0.097 R)
• M31: 56,208,857 km (0.108 R)
• M32: 57,148,780 km (0.052 R)
• M33: 61,211,410 km (0.117 R)
• M34: 64,432,700 km (0.077 R)
• M35: 65,669,276 km (0.03 R)
• M36: 67,342,678 km (0.111 R)
• M37: 70,774,005 km (0.117 R)
• M38: 70,992,268 km (0.109 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 12,421 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit