🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.7

Radius: 11.7

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.09 AU - 1.39 AU

Year: 892 Days

Day: 9.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,310,336 km

• M1: 145,858 km (0.062 R)
• M2: 538,852 km (0.03 R)
• M3: 1,039,256 km (0.09 R)
• M4: 1,585,139 km (0.116 R)
• M5: 1,979,180 km (0.095 R)
• M6: 3,222,937 km (0.076 R)
• M7: 4,038,095 km (0.049 R)
• M8: 4,767,385 km (0.039 R)
• M9: 5,173,244 km (0.095 R)
• M10: 5,950,106 km (0.115 R)
• M11: 7,319,225 km (0.11 R)
• M12: 7,810,954 km (0.113 R)
• M13: 8,272,313 km (0.091 R)
• M14: 8,888,208 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993

Radius: 14.7

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.62 AU - 2.44 AU

Year: 1867 Days

Day: 8.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,310,336 km

• M1: 182,809 km (0.12 R)
• M2: 680,521 km (0.069 R)
• M3: 1,606,831 km (0.097 R)
• M4: 2,159,296 km (0.097 R)
• M5: 3,230,416 km (0.068 R)
• M6: 3,896,426 km (0.105 R)
• M7: 4,631,849 km (0.046 R)
• M8: 5,341,242 km (0.044 R)
• M9: 6,277,127 km (0.099 R)
• M10: 6,757,336 km (0.118 R)
• M11: 7,290,951 km (0.102 R)
• M12: 7,822,323 km (0.036 R)
• M13: 9,130,257 km (0.12 R)
• M14: 9,713,539 km (0.076 R)
• M15: 11,069,644 km (0.09 R)
• M16: 11,893,779 km (0.049 R)
• M17: 13,752,981 km (0.116 R)
• M18: 15,847,950 km (0.083 R)
• M19: 16,541,186 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.6

Radius: 13

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.96 AU - 2.36 AU

Year: 2050 Days

Day: 9 Hours

Environment

Temp: -201 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 77,310,336 km

• M1: 161,715 km (0.12 R)
• M2: 720,164 km (0.113 R)
• M3: 1,483,412 km (0.099 R)
• M4: 2,012,241 km (0.091 R)
• M5: 4,259,201 km (0.116 R)
• M6: 4,683,610 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.2

Radius: 11.9

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.85 AU - 2.55 AU

Year: 2107 Days

Day: 5.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 77,310,336 km

• M1: 147,952 km (0.084 R)
• M2: 618,438 km (0.06 R)
• M3: 1,037,760 km (0.119 R)
• M4: 1,533,229 km (0.091 R)
• M5: 2,027,201 km (0.056 R)
• M6: 2,541,817 km (0.118 R)
• M7: 3,094,582 km (0.113 R)
• M8: 4,200,858 km (0.114 R)
• M9: 4,977,271 km (0.108 R)
• M10: 5,748,298 km (0.113 R)
• M11: 6,543,560 km (0.119 R)
• M12: 7,094,529 km (0.097 R)
• M13: 8,544,282 km (0.039 R)
• M14: 10,110,572 km (0.112 R)
• M15: 10,623,244 km (0.081 R)
• M16: 11,191,716 km (0.106 R)
• M17: 12,472,573 km (0.091 R)
• M18: 12,892,195 km (0.09 R)
• M19: 13,278,008 km (0.073 R)
• M20: 15,611,585 km (0.11 R)
• M21: 16,099,274 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.3

Radius: 13.9

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.2 AU - 3.62 AU

Year: 3205 Days

Day: 6.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,310,336 km

• M1: 172,935 km (0.088 R)
• M2: 812,915 km (0.075 R)
• M3: 1,271,582 km (0.079 R)
• M4: 1,720,076 km (0.103 R)
• M5: 2,318,767 km (0.062 R)
• M6: 2,986,572 km (0.095 R)
• M7: 3,760,142 km (0.111 R)
• M8: 4,549,271 km (0.109 R)
• M9: 4,995,970 km (0.108 R)
• M10: 5,576,111 km (0.082 R)
• M11: 6,061,407 km (0.091 R)
• M12: 6,692,859 km (0.046 R)
• M13: 7,210,468 km (0.118 R)
• M14: 8,430,438 km (0.114 R)
• M15: 9,218,670 km (0.117 R)
• M16: 12,551,112 km (0.12 R)
• M17: 15,278,431 km (0.063 R)
• M18: 16,836,193 km (0.072 R)
• M19: 18,675,349 km (0.104 R)
• M20: 19,767,115 km (0.045 R)
• M21: 21,029,571 km (0.11 R)
• M22: 22,277,965 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.8

Radius: 12.8

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.69 AU - 3.85 AU

Year: 3818 Days

Day: 14.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,310,336 km

• M1: 159,172 km (0.059 R)
• M2: 595,998 km (0.094 R)
• M3: 1,197,681 km (0.049 R)
• M4: 1,639,144 km (0.11 R)
• M5: 2,560,517 km (0.041 R)
• M6: 2,990,461 km (0.103 R)
• M7: 3,954,021 km (0.1 R)
• M8: 5,247,594 km (0.108 R)
• M9: 6,367,185 km (0.063 R)
• M10: 7,709,676 km (0.075 R)
• M11: 8,355,490 km (0.041 R)
• M12: 9,673,896 km (0.085 R)
• M13: 10,086,936 km (0.102 R)
• M14: 10,641,495 km (0.115 R)
• M15: 11,811,799 km (0.107 R)
• M16: 14,195,342 km (0.105 R)
• M17: 15,612,483 km (0.054 R)
• M18: 18,160,284 km (0.032 R)
• M19: 18,918,147 km (0.03 R)
• M20: 21,111,252 km (0.049 R)
• M21: 23,617,165 km (0.107 R)
• M22: 25,212,627 km (0.088 R)
• M23: 25,681,317 km (0.095 R)
• M24: 27,697,447 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.9

Radius: 8.5

Gravity: 11.56 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 3.9 AU - 4.7 AU

Year: 5757 Days

Day: 8.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,310,336 km

• M1: 105,766 km (0.117 R)
• M2: 906,413 km (0.118 R)
• M3: 1,672,953 km (0.06 R)
• M4: 2,332,979 km (0.115 R)
• M5: 3,820,730 km (0.06 R)
• M6: 4,792,069 km (0.112 R)
• M7: 5,073,163 km (0.104 R)
• M8: 6,579,763 km (0.084 R)
• M9: 7,929,136 km (0.104 R)
• M10: 8,323,476 km (0.063 R)
• M11: 9,151,650 km (0.044 R)
• M12: 9,942,873 km (0.113 R)
• M13: 11,461,142 km (0.101 R)
• M14: 13,347,122 km (0.036 R)
• M15: 15,189,569 km (0.096 R)
• M16: 17,000,302 km (0.112 R)
• M17: 24,760,392 km (0.092 R)
• M18: 33,255,158 km (0.118 R)
• M19: 34,489,191 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.8

Radius: 7.5

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.47 AU - 7.13 AU

Year: 11449 Days

Day: 24.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 77,310,336 km

• M1: 111,002 km (0.025 R)
• M2: 452,683 km (0.119 R)
• M3: 780,452 km (0.101 R)
• M4: 1,083,687 km (0.087 R)
• M5: 1,491,640 km (0.107 R)
• M6: 2,133,565 km (0.082 R)
• M7: 2,635,316 km (0.05 R)
• M8: 3,236,400 km (0.087 R)
• M9: 3,496,252 km (0.109 R)
• M10: 4,619,582 km (0.119 R)
• M11: 5,295,914 km (0.05 R)
• M12: 5,557,710 km (0.094 R)
• M13: 9,748,096 km (0.096 R)
• M14: 11,280,577 km (0.098 R)
• M15: 12,330,455 km (0.111 R)
• M16: 16,209,378 km (0.069 R)
• M17: 23,267,854 km (0.056 R)
• M18: 33,007,274 km (0.07 R)
• M19: 33,895,886 km (0.091 R)
• M20: 35,373,613 km (0.11 R)
• M21: 37,850,505 km (0.07 R)
• M22: 39,440,581 km (0.111 R)
• M23: 39,938,592 km (0.049 R)
• M24: 40,189,169 km (0.051 R)
• M25: 40,567,053 km (0.071 R)
• M26: 42,492,078 km (0.061 R)
• M27: 45,016,692 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 249.1

Radius: 7.2

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.97 AU - 9.73 AU

Year: 14201 Days

Day: 22.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,310,336 km

• M1: 92,751 km (0.071 R)
• M2: 341,083 km (0.044 R)
• M3: 642,224 km (0.081 R)
• M4: 1,208,302 km (0.109 R)
• M5: 1,463,666 km (0.073 R)
• M6: 2,118,904 km (0.059 R)
• M7: 2,747,963 km (0.06 R)
• M8: 4,830,216 km (0.061 R)
• M9: 5,164,418 km (0.119 R)
• M10: 5,744,558 km (0.117 R)
• M11: 7,110,836 km (0.071 R)
• M12: 7,624,405 km (0.072 R)
• M13: 8,725,445 km (0.043 R)
• M14: 9,039,152 km (0.119 R)
• M15: 10,074,519 km (0.071 R)
• M16: 11,664,445 km (0.041 R)
• M17: 13,833,166 km (0.101 R)
• M18: 16,123,060 km (0.083 R)
• M19: 18,142,332 km (0.098 R)
• M20: 22,675,896 km (0.108 R)
• M21: 23,355,070 km (0.112 R)
• M22: 23,960,493 km (0.037 R)
• M23: 26,023,447 km (0.099 R)
• M24: 27,145,431 km (0.119 R)
• M25: 29,787,180 km (0.056 R)
• M26: 31,956,948 km (0.099 R)
• M27: 34,340,490 km (0.052 R)
• M28: 36,724,033 km (0.072 R)
• M29: 38,015,512 km (0.12 R)
• M30: 38,492,579 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482.9

Radius: 5.9

Gravity: 13.87 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 8.6 AU - 13.92 AU

Year: 24396 Days

Day: 18.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 77,310,336 km

• M1: 77,043 km (0.05 R)
• M2: 318,793 km (0.108 R)
• M3: 546,780 km (0.045 R)
• M4: 738,714 km (0.082 R)
• M5: 1,195,437 km (0.086 R)
• M6: 1,462,469 km (0.049 R)
• M7: 1,957,039 km (0.119 R)
• M8: 2,200,734 km (0.11 R)
• M9: 2,676,156 km (0.08 R)
• M10: 4,017,451 km (0.025 R)
• M11: 4,833,507 km (0.114 R)
• M12: 6,257,230 km (0.108 R)
• M13: 6,652,767 km (0.068 R)
• M14: 8,092,347 km (0.118 R)
• M15: 8,508,828 km (0.075 R)
• M16: 9,104,676 km (0.098 R)
• M17: 9,441,271 km (0.057 R)
• M18: 10,198,835 km (0.098 R)
• M19: 10,561,909 km (0.095 R)
• M20: 11,186,031 km (0.089 R)
• M21: 15,615,774 km (0.089 R)
• M22: 17,008,081 km (0.112 R)
• M23: 17,777,762 km (0.101 R)
• M24: 18,127,073 km (0.093 R)
• M25: 20,992,172 km (0.111 R)
• M26: 29,263,737 km (0.06 R)
• M27: 35,610,128 km (0.103 R)
• M28: 36,867,498 km (0.115 R)
• M29: 37,722,001 km (0.105 R)
• M30: 41,272,407 km (0.108 R)
• M31: 41,885,160 km (0.099 R)
• M32: 46,344,224 km (0.115 R)
• M33: 52,528,899 km (0.116 R)
• M34: 53,974,313 km (0.115 R)
• M35: 58,085,263 km (0.083 R)
• M36: 61,401,249 km (0.068 R)
• M37: 61,600,214 km (0.075 R)
• M38: 61,799,479 km (0.095 R)
• M39: 72,102,583 km (0.038 R)
• M40: 75,928,399 km (0.117 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 19,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit