🌌 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: 32

Radius: 9.4

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.6 AU - 0.82 AU

Year: 392 Days

Day: 13.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 53,238,779 km

• M1: 116,836 km (0.101 R)
• M2: 430,842 km (0.115 R)
• M3: 728,093 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.5

Radius: 9.8

Gravity: 9.38 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.76 AU - 1.04 AU

Year: 560 Days

Day: 12.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 132.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,238,779 km

• M1: 121,922 km (0.11 R)
• M2: 463,155 km (0.077 R)
• M3: 922,420 km (0.08 R)
• M4: 1,486,255 km (0.119 R)
• M5: 1,813,725 km (0.106 R)
• M6: 2,277,029 km (0.038 R)
• M7: 2,585,500 km (0.098 R)
• M8: 2,921,946 km (0.063 R)
• M9: 3,300,578 km (0.092 R)
• M10: 4,009,672 km (0.108 R)
• M11: 5,600,047 km (0.063 R)
• M12: 5,936,044 km (0.11 R)
• M13: 6,983,528 km (0.057 R)
• M14: 7,373,529 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.4

Radius: 9.4

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.74 AU - 1.1 AU

Year: 579 Days

Day: 13.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,238,779 km

• M1: 117,135 km (0.117 R)
• M2: 603,179 km (0.09 R)
• M3: 896,241 km (0.092 R)
• M4: 1,220,419 km (0.077 R)
• M5: 2,188,318 km (0.068 R)
• M6: 2,537,180 km (0.11 R)
• M7: 3,680,407 km (0.112 R)
• M8: 4,563,034 km (0.084 R)
• M9: 5,527,941 km (0.096 R)
• M10: 6,583,802 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.3

Radius: 12.8

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.03 AU - 1.23 AU

Year: 788 Days

Day: 10 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,238,779 km

• M1: 159,172 km (0.106 R)
• M2: 657,931 km (0.08 R)
• M3: 1,230,592 km (0.105 R)
• M4: 2,029,894 km (0.112 R)
• M5: 2,746,617 km (0.067 R)
• M6: 3,218,748 km (0.092 R)
• M7: 3,805,171 km (0.104 R)
• M8: 4,445,450 km (0.096 R)
• M9: 5,500,564 km (0.081 R)
• M10: 6,256,632 km (0.038 R)
• M11: 6,783,366 km (0.108 R)
• M12: 7,604,658 km (0.116 R)
• M13: 8,810,567 km (0.12 R)
• M14: 9,644,575 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.8

Radius: 14.1

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.4 AU - 2.96 AU

Year: 2878 Days

Day: 14.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,238,779 km

• M1: 175,329 km (0.105 R)
• M2: 644,019 km (0.083 R)
• M3: 1,306,737 km (0.102 R)
• M4: 2,536,581 km (0.108 R)
• M5: 3,044,167 km (0.1 R)
• M6: 3,619,969 km (0.047 R)
• M7: 4,631,251 km (0.059 R)
• M8: 5,299,804 km (0.071 R)
• M9: 6,659,948 km (0.057 R)
• M10: 7,637,121 km (0.062 R)
• M11: 8,472,625 km (0.097 R)
• M12: 9,913,103 km (0.083 R)
• M13: 10,633,716 km (0.114 R)
• M14: 11,759,141 km (0.092 R)
• M15: 12,785,681 km (0.093 R)
• M16: 14,057,862 km (0.087 R)
• M17: 14,968,165 km (0.111 R)
• M18: 15,917,513 km (0.112 R)
• M19: 17,173,536 km (0.073 R)
• M20: 17,880,835 km (0.102 R)
• M21: 18,494,635 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.7

Radius: 10.6

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.6 AU - 6.28 AU

Year: 8324 Days

Day: 8.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,238,779 km

• M1: 132,095 km (0.076 R)
• M2: 595,549 km (0.092 R)
• M3: 1,037,611 km (0.112 R)
• M4: 2,067,742 km (0.099 R)
• M5: 2,976,250 km (0.115 R)
• M6: 4,107,210 km (0.112 R)
• M7: 5,007,190 km (0.082 R)
• M8: 5,384,327 km (0.112 R)
• M9: 7,340,917 km (0.116 R)
• M10: 8,022,335 km (0.105 R)
• M11: 8,459,161 km (0.115 R)
• M12: 10,413,807 km (0.066 R)
• M13: 15,195,254 km (0.081 R)
• M14: 15,619,214 km (0.081 R)
• M15: 19,442,487 km (0.112 R)
• M16: 20,304,919 km (0.035 R)
• M17: 22,338,253 km (0.055 R)
• M18: 23,524,864 km (0.089 R)
• M19: 29,062,977 km (0.112 R)
• M20: 31,151,213 km (0.099 R)
• M21: 32,033,691 km (0.034 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 929.2

Radius: 4.7

Gravity: 42.06 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.48 AU - 8.72 AU

Year: 13745 Days

Day: 15.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,238,779 km

• M1: 59,241 km (0.118 R)
• M2: 321,935 km (0.093 R)
• M3: 639,680 km (0.11 R)
• M4: 1,022,202 km (0.119 R)
• M5: 1,250,638 km (0.111 R)
• M6: 1,656,796 km (0.111 R)
• M7: 1,827,936 km (0.101 R)
• M8: 2,287,501 km (0.118 R)
• M9: 4,347,763 km (0.103 R)
• M10: 4,983,554 km (0.058 R)
• M11: 5,565,190 km (0.115 R)
• M12: 6,150,567 km (0.076 R)
• M13: 8,103,717 km (0.113 R)
• M14: 8,649,898 km (0.09 R)
• M15: 9,326,380 km (0.099 R)
• M16: 19,330,887 km (0.105 R)
• M17: 21,307,674 km (0.107 R)
• M18: 24,519,241 km (0.093 R)
• M19: 25,552,663 km (0.055 R)
• M20: 38,348,965 km (0.104 R)
• M21: 53,971,172 km (0.079 R)
• M22: 56,246,406 km (0.043 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 431.8

Radius: 4.1

Gravity: 25.69 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 8.8 AU - 9.46 AU

Year: 18097 Days

Day: 17 Hours

Environment

Temp: -239 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 53,238,779 km

• M1: 57,745 km (0.077 R)
• M2: 222,003 km (0.099 R)
• M3: 424,708 km (0.119 R)
• M4: 862,731 km (0.077 R)
• M5: 1,418,637 km (0.041 R)
• M6: 2,030,641 km (0.035 R)
• M7: 2,242,622 km (0.051 R)
• M8: 2,688,124 km (0.078 R)
• M9: 2,968,022 km (0.113 R)
• M10: 3,668,439 km (0.067 R)
• M11: 4,832,310 km (0.075 R)
• M12: 5,070,769 km (0.099 R)
• M13: 6,669,671 km (0.093 R)
• M14: 7,858,376 km (0.118 R)
• M15: 10,252,540 km (0.052 R)
• M16: 10,875,765 km (0.104 R)
• M17: 12,259,994 km (0.11 R)
• M18: 13,421,921 km (0.105 R)
• M19: 17,583,435 km (0.075 R)
• M20: 19,141,646 km (0.066 R)
• M21: 19,738,242 km (0.116 R)
• M22: 20,878,776 km (0.11 R)
• M23: 21,693,636 km (0.095 R)
• M24: 22,248,644 km (0.1 R)
• M25: 23,194,402 km (0.115 R)
• M26: 25,368,957 km (0.04 R)
• M27: 33,429,888 km (0.096 R)
• M28: 37,370,446 km (0.108 R)
• M29: 38,033,613 km (0.111 R)
• M30: 43,332,818 km (0.099 R)
• M31: 48,787,606 km (0.087 R)
• M32: 49,739,048 km (0.118 R)
• M33: 51,352,162 km (0.086 R)
• M34: 52,171,659 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 240.7

Radius: 7.9

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 8.34 AU - 11.82 AU

Year: 20994 Days

Day: 15.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,238,779 km

• M1: 100,380 km (0.117 R)
• M2: 370,255 km (0.114 R)
• M3: 835,205 km (0.093 R)
• M4: 1,812,079 km (0.119 R)
• M5: 2,411,218 km (0.069 R)
• M6: 3,112,085 km (0.104 R)
• M7: 4,026,427 km (0.051 R)
• M8: 7,270,307 km (0.059 R)
• M9: 7,615,878 km (0.11 R)
• M10: 8,575,399 km (0.105 R)
• M11: 9,158,830 km (0.093 R)
• M12: 9,872,412 km (0.04 R)
• M13: 13,228,192 km (0.093 R)
• M14: 15,941,598 km (0.085 R)
• M15: 20,333,642 km (0.074 R)
• M16: 25,668,302 km (0.105 R)
• M17: 26,775,476 km (0.064 R)
• M18: 28,655,472 km (0.111 R)
• M19: 31,637,855 km (0.079 R)
• M20: 33,856,541 km (0.094 R)
• M21: 35,803,558 km (0.088 R)
• M22: 39,786,451 km (0.114 R)
• M23: 41,815,597 km (0.082 R)
• M24: 44,197,494 km (0.095 R)
• M25: 46,078,987 km (0.062 R)
• M26: 46,816,654 km (0.093 R)
• M27: 48,467,017 km (0.106 R)
• M28: 54,139,769 km (0.116 R)

Asteroid Belt

Center: 10.46 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 171.7

Radius: 6.4

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 10.45 AU - 11.21 AU

Year: 23380 Days

Day: 25 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 53,238,779 km

• M1: 79,736 km (0.085 R)
• M2: 389,553 km (0.098 R)
• M3: 796,309 km (0.088 R)
• M4: 1,632,861 km (0.091 R)
• M5: 2,206,120 km (0.086 R)
• M6: 2,457,893 km (0.094 R)
• M7: 3,797,243 km (0.104 R)
• M8: 4,607,914 km (0.112 R)
• M9: 5,054,014 km (0.083 R)
• M10: 5,287,686 km (0.116 R)
• M11: 5,563,545 km (0.079 R)
• M12: 6,605,644 km (0.076 R)
• M13: 7,214,507 km (0.062 R)
• M14: 8,972,282 km (0.094 R)
• M15: 9,415,241 km (0.047 R)
• M16: 9,924,323 km (0.111 R)
• M17: 10,613,371 km (0.118 R)
• M18: 13,182,864 km (0.092 R)
• M19: 13,949,702 km (0.117 R)
• M20: 15,086,496 km (0.115 R)
• M21: 16,067,858 km (0.102 R)
• M22: 23,048,694 km (0.036 R)
• M23: 27,093,521 km (0.069 R)
• M24: 34,128,211 km (0.076 R)
• M25: 34,485,002 km (0.069 R)
• M26: 34,724,209 km (0.104 R)
• M27: 34,964,463 km (0.034 R)
• M28: 36,927,038 km (0.092 R)
• M29: 37,177,464 km (0.088 R)
• M30: 40,270,999 km (0.104 R)
• M31: 40,802,819 km (0.026 R)
• M32: 43,253,681 km (0.103 R)
• M33: 46,818,150 km (0.08 R)
• M34: 50,419,569 km (0.117 R)
• M35: 52,130,220 km (0.11 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 14,807 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit