🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.9

Radius: 9.4

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.66 AU - 1 AU

Year: 513 Days

Day: 7.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,611,919 km

• M1: 116,986 km (0.108 R)
• M2: 479,012 km (0.11 R)
• M3: 776,114 km (0.033 R)
• M4: 1,237,474 km (0.051 R)
• M5: 1,559,857 km (0.094 R)
• M6: 1,954,795 km (0.093 R)
• M7: 2,800,622 km (0.034 R)
• M8: 3,237,448 km (0.109 R)
• M9: 3,694,020 km (0.065 R)
• M10: 4,262,043 km (0.098 R)
• M11: 4,677,177 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.5

Radius: 13.6

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.8 AU - 0.92 AU

Year: 541 Days

Day: 8.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,611,919 km

• M1: 169,494 km (0.097 R)
• M2: 650,003 km (0.094 R)
• M3: 1,680,283 km (0.072 R)
• M4: 2,444,579 km (0.106 R)
• M5: 3,079,622 km (0.119 R)
• M6: 3,597,230 km (0.053 R)
• M7: 4,245,438 km (0.036 R)
• M8: 4,986,695 km (0.037 R)
• M9: 5,440,725 km (0.107 R)
• M10: 6,374,365 km (0.098 R)
• M11: 6,849,488 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.9

Radius: 13

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.08 AU - 1.78 AU

Year: 1160 Days

Day: 7.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,611,919 km

• M1: 161,715 km (0.116 R)
• M2: 712,983 km (0.072 R)
• M3: 1,256,622 km (0.107 R)
• M4: 2,096,016 km (0.096 R)
• M5: 2,718,343 km (0.106 R)
• M6: 3,616,080 km (0.091 R)
• M7: 4,023,734 km (0.089 R)
• M8: 4,913,093 km (0.075 R)
• M9: 5,519,862 km (0.076 R)
• M10: 7,031,998 km (0.059 R)
• M11: 7,938,261 km (0.084 R)
• M12: 8,462,004 km (0.112 R)
• M13: 9,396,392 km (0.087 R)
• M14: 9,888,868 km (0.12 R)
• M15: 10,892,221 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.6

Radius: 14.5

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.43 AU - 1.49 AU

Year: 1197 Days

Day: 7.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,611,919 km

• M1: 180,565 km (0.077 R)
• M2: 682,316 km (0.114 R)
• M3: 1,196,035 km (0.1 R)
• M4: 1,759,720 km (0.076 R)
• M5: 2,552,888 km (0.109 R)
• M6: 3,265,123 km (0.04 R)
• M7: 4,286,129 km (0.1 R)
• M8: 5,510,737 km (0.119 R)
• M9: 6,011,890 km (0.073 R)
• M10: 6,831,536 km (0.072 R)
• M11: 7,411,079 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.7

Radius: 14.4

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.55 AU - 1.67 AU

Year: 1386 Days

Day: 9.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,611,919 km

• M1: 179,069 km (0.102 R)
• M2: 1,002,306 km (0.117 R)
• M3: 1,599,800 km (0.047 R)
• M4: 2,083,898 km (0.091 R)
• M5: 2,641,599 km (0.108 R)
• M6: 3,298,932 km (0.118 R)
• M7: 3,796,345 km (0.103 R)
• M8: 4,507,533 km (0.069 R)
• M9: 5,430,852 km (0.028 R)
• M10: 6,289,842 km (0.111 R)
• M11: 6,961,238 km (0.12 R)
• M12: 7,894,280 km (0.078 R)
• M13: 9,664,022 km (0.05 R)
• M14: 10,298,168 km (0.054 R)
• M15: 10,825,500 km (0.108 R)
• M16: 11,301,670 km (0.119 R)
• M17: 11,827,208 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.5

Radius: 8.7

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.37 AU - 2.13 AU

Year: 1570 Days

Day: 14.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,611,919 km

• M1: 108,159 km (0.097 R)
• M2: 389,702 km (0.098 R)
• M3: 664,215 km (0.089 R)
• M4: 952,340 km (0.048 R)
• M5: 1,267,842 km (0.102 R)
• M6: 1,880,595 km (0.1 R)
• M7: 2,224,221 km (0.093 R)
• M8: 2,529,102 km (0.111 R)
• M9: 3,754,159 km (0.119 R)
• M10: 5,313,268 km (0.072 R)
• M11: 5,933,650 km (0.092 R)
• M12: 6,224,319 km (0.101 R)
• M13: 6,861,007 km (0.106 R)
• M14: 8,504,789 km (0.115 R)
• M15: 9,320,845 km (0.074 R)
• M16: 9,681,525 km (0.061 R)
• M17: 11,071,888 km (0.056 R)
• M18: 11,476,550 km (0.04 R)
• M19: 11,967,530 km (0.089 R)
• M20: 12,750,077 km (0.109 R)
• M21: 13,235,672 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.8

Radius: 13.6

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 3.49 AU - 5.07 AU

Year: 6006 Days

Day: 5.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,611,919 km

• M1: 178,021 km (0.1 R)
• M2: 680,670 km (0.046 R)
• M3: 1,116,000 km (0.116 R)
• M4: 2,207,765 km (0.076 R)
• M5: 2,970,565 km (0.101 R)
• M6: 3,940,109 km (0.116 R)
• M7: 4,458,914 km (0.037 R)
• M8: 5,777,470 km (0.059 R)
• M9: 6,658,900 km (0.086 R)
• M10: 10,844,499 km (0.118 R)
• M11: 16,283,579 km (0.065 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.6

Radius: 8.1

Gravity: 12.02 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.93 AU - 5.69 AU

Year: 7155 Days

Day: 11.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,611,919 km

• M1: 100,829 km (0.035 R)
• M2: 362,924 km (0.064 R)
• M3: 641,176 km (0.073 R)
• M4: 1,227,002 km (0.097 R)
• M5: 1,489,546 km (0.11 R)
• M6: 1,971,102 km (0.041 R)
• M7: 2,744,074 km (0.088 R)
• M8: 3,423,248 km (0.1 R)
• M9: 4,342,976 km (0.12 R)
• M10: 4,617,637 km (0.031 R)
• M11: 5,111,610 km (0.101 R)
• M12: 6,770,201 km (0.081 R)
• M13: 7,178,454 km (0.067 R)
• M14: 7,721,644 km (0.062 R)
• M15: 8,977,817 km (0.108 R)
• M16: 9,516,669 km (0.054 R)
• M17: 10,413,508 km (0.119 R)
• M18: 12,211,525 km (0.032 R)
• M19: 12,484,242 km (0.049 R)
• M20: 13,327,076 km (0.087 R)
• M21: 15,377,016 km (0.096 R)
• M22: 16,543,430 km (0.061 R)
• M23: 19,790,302 km (0.094 R)
• M24: 20,625,358 km (0.111 R)
• M25: 22,939,337 km (0.083 R)
• M26: 23,522,769 km (0.088 R)
• M27: 35,235,834 km (0.102 R)
• M28: 36,574,136 km (0.095 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.4

Radius: 13.9

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.21 AU - 5.81 AU

Year: 8772 Days

Day: 5.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,611,919 km

• M1: 174,581 km (0.104 R)
• M2: 877,990 km (0.097 R)
• M3: 1,313,619 km (0.057 R)
• M4: 2,487,663 km (0.085 R)
• M5: 3,174,168 km (0.105 R)
• M6: 3,635,079 km (0.08 R)
• M7: 5,079,596 km (0.078 R)
• M8: 5,714,639 km (0.111 R)
• M9: 6,438,244 km (0.073 R)
• M10: 6,953,907 km (0.108 R)
• M11: 8,980,510 km (0.108 R)
• M12: 9,911,906 km (0.093 R)
• M13: 11,428,380 km (0.112 R)
• M14: 11,966,932 km (0.091 R)
• M15: 13,094,750 km (0.036 R)
• M16: 15,173,263 km (0.116 R)
• M17: 17,392,996 km (0.107 R)
• M18: 18,691,207 km (0.119 R)
• M19: 20,208,428 km (0.036 R)
• M20: 20,997,108 km (0.098 R)
• M21: 22,052,970 km (0.107 R)
• M22: 23,920,251 km (0.059 R)
• M23: 24,982,096 km (0.09 R)
• M24: 27,581,808 km (0.119 R)
• M25: 33,861,029 km (0.063 R)
• M26: 34,861,540 km (0.076 R)
• M27: 39,793,333 km (0.116 R)
• M28: 43,198,480 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 789.6

Radius: 4.8

Gravity: 34.27 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.37 AU - 8.09 AU

Year: 14577 Days

Day: 18.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 64,611,919 km

• M1: 59,989 km (0.104 R)
• M2: 324,029 km (0.108 R)
• M3: 632,201 km (0.108 R)
• M4: 855,401 km (0.114 R)
• M5: 1,080,545 km (0.084 R)
• M6: 1,330,224 km (0.089 R)
• M7: 1,666,819 km (0.027 R)
• M8: 1,964,220 km (0.101 R)
• M9: 2,234,992 km (0.091 R)
• M10: 2,619,309 km (0.079 R)
• M11: 2,875,121 km (0.076 R)
• M12: 4,160,167 km (0.073 R)
• M13: 4,706,947 km (0.114 R)
• M14: 4,980,263 km (0.071 R)
• M15: 6,020,866 km (0.07 R)
• M16: 9,507,693 km (0.074 R)
• M17: 13,657,238 km (0.032 R)
• M18: 14,568,140 km (0.108 R)
• M19: 16,200,851 km (0.112 R)
• M20: 18,199,628 km (0.119 R)
• M21: 18,872,370 km (0.093 R)
• M22: 20,267,520 km (0.109 R)
• M23: 21,081,781 km (0.087 R)
• M24: 22,106,377 km (0.107 R)
• M25: 23,163,585 km (0.117 R)
• M26: 24,557,538 km (0.085 R)
• M27: 28,396,518 km (0.094 R)
• M28: 34,111,905 km (0.102 R)
• M29: 35,133,359 km (0.035 R)
• M30: 38,456,825 km (0.1 R)
• M31: 39,007,346 km (0.053 R)
• M32: 43,304,694 km (0.043 R)
• M33: 49,187,032 km (0.058 R)
• M34: 49,348,598 km (0.078 R)
• M35: 52,655,608 km (0.094 R)
• M36: 55,230,636 km (0.107 R)
• M37: 61,750,411 km (0.101 R)
• M38: 62,694,672 km (0.108 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: 205 - 13,473 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit