🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.5

Radius: 14.7

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.34 AU - 1.78 AU

Year: 1345 Days

Day: 8.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,616,328 km

• M1: 182,809 km (0.106 R)
• M2: 642,074 km (0.046 R)
• M3: 1,546,094 km (0.047 R)
• M4: 2,185,924 km (0.064 R)
• M5: 3,141,106 km (0.067 R)
• M6: 3,767,174 km (0.042 R)
• M7: 4,294,805 km (0.083 R)
• M8: 4,907,259 km (0.119 R)
• M9: 5,794,374 km (0.099 R)
• M10: 6,501,224 km (0.041 R)
• M11: 8,087,859 km (0.095 R)
• M12: 9,382,330 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.4

Radius: 11

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.03 AU - 2.73 AU

Year: 2534 Days

Day: 14.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,616,328 km

• M1: 138,976 km (0.098 R)
• M2: 590,014 km (0.109 R)
• M3: 1,010,982 km (0.082 R)
• M4: 1,452,745 km (0.114 R)
• M5: 2,706,973 km (0.12 R)
• M6: 3,724,987 km (0.113 R)
• M7: 4,238,856 km (0.096 R)
• M8: 4,799,399 km (0.102 R)
• M9: 6,754,194 km (0.095 R)
• M10: 8,116,283 km (0.108 R)
• M11: 10,206,614 km (0.09 R)
• M12: 13,476,225 km (0.058 R)
• M13: 14,689,613 km (0.047 R)
• M14: 15,521,527 km (0.095 R)
• M15: 17,440,269 km (0.115 R)
• M16: 19,051,139 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.6

Radius: 9.5

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 3.14 AU - 3.98 AU

Year: 4636 Days

Day: 12.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,616,328 km

• M1: 123,568 km (0.088 R)
• M2: 433,235 km (0.111 R)
• M3: 908,209 km (0.092 R)
• M4: 1,337,555 km (0.099 R)
• M5: 1,773,632 km (0.077 R)
• M6: 3,144,248 km (0.068 R)
• M7: 3,678,013 km (0.103 R)
• M8: 4,741,654 km (0.062 R)
• M9: 7,004,621 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.1

Radius: 8.5

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.86 AU - 5.54 AU

Year: 8185 Days

Day: 13.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,616,328 km

• M1: 106,214 km (0.096 R)
• M2: 396,135 km (0.102 R)
• M3: 730,038 km (0.044 R)
• M4: 1,139,936 km (0.099 R)
• M5: 1,659,040 km (0.106 R)
• M6: 3,124,052 km (0.083 R)
• M7: 3,397,667 km (0.081 R)
• M8: 3,710,326 km (0.084 R)
• M9: 3,993,515 km (0.081 R)
• M10: 4,711,136 km (0.079 R)
• M11: 6,235,538 km (0.047 R)
• M12: 6,535,333 km (0.113 R)
• M13: 9,335,506 km (0.088 R)
• M14: 9,996,579 km (0.093 R)
• M15: 10,641,495 km (0.119 R)
• M16: 11,313,788 km (0.115 R)
• M17: 11,811,201 km (0.045 R)
• M18: 12,637,131 km (0.078 R)
• M19: 12,902,966 km (0.119 R)
• M20: 14,519,371 km (0.042 R)
• M21: 15,466,924 km (0.092 R)
• M22: 15,771,206 km (0.032 R)
• M23: 16,836,193 km (0.073 R)
• M24: 17,748,591 km (0.088 R)
• M25: 19,459,242 km (0.115 R)
• M26: 22,810,534 km (0.116 R)
• M27: 23,684,784 km (0.032 R)
• M28: 24,252,508 km (0.104 R)
• M29: 26,441,424 km (0.092 R)
• M30: 30,344,881 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.8

Radius: 4.5

Gravity: 46.16 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.31 AU - 6.03 AU

Year: 9319 Days

Day: 18.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,616,328 km

• M1: 56,249 km (0.095 R)
• M2: 403,465 km (0.075 R)
• M3: 610,359 km (0.084 R)
• M4: 1,253,780 km (0.09 R)
• M5: 1,424,022 km (0.094 R)
• M6: 1,624,633 km (0.054 R)
• M7: 1,893,460 km (0.1 R)
• M8: 2,361,402 km (0.04 R)
• M9: 2,814,385 km (0.093 R)
• M10: 3,108,195 km (0.077 R)
• M11: 3,250,463 km (0.102 R)
• M12: 3,756,702 km (0.084 R)
• M13: 3,945,644 km (0.109 R)
• M14: 7,017,487 km (0.059 R)
• M15: 8,123,763 km (0.114 R)
• M16: 12,073,745 km (0.103 R)
• M17: 14,164,824 km (0.077 R)
• M18: 15,159,650 km (0.11 R)
• M19: 15,364,001 km (0.12 R)
• M20: 16,774,110 km (0.116 R)
• M21: 16,919,669 km (0.101 R)
• M22: 17,361,581 km (0.044 R)
• M23: 17,510,431 km (0.069 R)
• M24: 20,093,388 km (0.095 R)
• M25: 23,917,259 km (0.093 R)
• M26: 25,805,034 km (0.07 R)
• M27: 26,686,166 km (0.052 R)
• M28: 26,884,682 km (0.118 R)
• M29: 27,891,925 km (0.103 R)
• M30: 31,726,268 km (0.078 R)
• M31: 33,768,877 km (0.099 R)
• M32: 34,001,202 km (0.071 R)
• M33: 36,504,274 km (0.063 R)
• M34: 36,871,686 km (0.054 R)
• M35: 43,089,123 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324.1

Radius: 3.6

Gravity: 25.01 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.02 AU - 6.46 AU

Year: 9492 Days

Day: 21 Hours

Environment

Temp: -224 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,616,328 km

• M1: 45,478 km (0.105 R)
• M2: 231,278 km (0.059 R)
• M3: 346,169 km (0.118 R)
• M4: 524,490 km (0.094 R)
• M5: 1,139,038 km (0.1 R)
• M6: 1,739,823 km (0.075 R)
• M7: 2,084,946 km (0.112 R)
• M8: 2,248,606 km (0.106 R)
• M9: 2,491,852 km (0.058 R)
• M10: 2,771,899 km (0.079 R)
• M11: 4,257,855 km (0.079 R)
• M12: 5,111,011 km (0.059 R)
• M13: 9,140,280 km (0.068 R)
• M14: 9,401,777 km (0.119 R)
• M15: 13,215,027 km (0.114 R)
• M16: 14,468,508 km (0.059 R)
• M17: 14,586,241 km (0.074 R)
• M18: 15,861,563 km (0.087 R)
• M19: 16,622,567 km (0.115 R)
• M20: 20,129,889 km (0.08 R)
• M21: 20,646,900 km (0.086 R)
• M22: 24,682,751 km (0.056 R)
• M23: 26,223,908 km (0.101 R)
• M24: 27,646,734 km (0.06 R)
• M25: 32,827,757 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.7

Radius: 8

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 5.27 AU - 6.93 AU

Year: 10399 Days

Day: 20.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,616,328 km

• M1: 99,483 km (0.079 R)
• M2: 378,632 km (0.09 R)
• M3: 659,427 km (0.109 R)
• M4: 1,009,636 km (0.119 R)
• M5: 1,309,729 km (0.074 R)
• M6: 1,803,702 km (0.046 R)
• M7: 2,827,699 km (0.082 R)
• M8: 3,120,462 km (0.099 R)
• M9: 3,790,361 km (0.062 R)
• M10: 4,098,383 km (0.085 R)
• M11: 4,552,562 km (0.094 R)
• M12: 5,383,878 km (0.062 R)
• M13: 6,086,838 km (0.041 R)
• M14: 6,345,194 km (0.118 R)
• M15: 6,815,230 km (0.09 R)
• M16: 9,869,720 km (0.106 R)
• M17: 10,779,424 km (0.09 R)
• M18: 15,040,570 km (0.09 R)
• M19: 16,995,066 km (0.083 R)
• M20: 17,769,833 km (0.081 R)
• M21: 18,232,390 km (0.032 R)
• M22: 18,907,226 km (0.108 R)
• M23: 19,528,805 km (0.1 R)
• M24: 19,879,911 km (0.077 R)
• M25: 20,306,864 km (0.061 R)
• M26: 23,785,463 km (0.115 R)
• M27: 24,186,086 km (0.083 R)
• M28: 27,204,074 km (0.081 R)
• M29: 30,370,313 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157

Radius: 3.1

Gravity: 16.34 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.48 AU - 7.02 AU

Year: 12105 Days

Day: 17.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,616,328 km

• M1: 38,596 km (0.075 R)
• M2: 190,737 km (0.056 R)
• M3: 422,764 km (0.091 R)
• M4: 777,011 km (0.079 R)
• M5: 919,279 km (0.1 R)
• M6: 1,381,536 km (0.111 R)
• M7: 1,697,038 km (0.096 R)
• M8: 2,184,428 km (0.085 R)
• M9: 2,666,133 km (0.031 R)
• M10: 2,777,883 km (0.096 R)
• M11: 3,449,876 km (0.094 R)
• M12: 4,505,289 km (0.104 R)
• M13: 4,826,775 km (0.088 R)
• M14: 9,869,570 km (0.103 R)
• M15: 10,182,828 km (0.083 R)
• M16: 13,306,731 km (0.085 R)
• M17: 17,141,672 km (0.059 R)
• M18: 19,413,316 km (0.097 R)
• M19: 20,046,713 km (0.11 R)
• M20: 20,404,402 km (0.107 R)
• M21: 23,578,868 km (0.029 R)
• M22: 30,037,756 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297

Radius: 4.9

Gravity: 12.37 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 5.78 AU - 9.24 AU

Year: 14206 Days

Day: 15.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 77,616,328 km

• M1: 61,186 km (0.086 R)
• M2: 255,663 km (0.107 R)
• M3: 617,989 km (0.095 R)
• M4: 972,237 km (0.075 R)
• M5: 1,248,394 km (0.107 R)
• M6: 1,478,476 km (0.089 R)
• M7: 1,797,718 km (0.076 R)
• M8: 2,593,129 km (0.12 R)
• M9: 2,947,527 km (0.07 R)
• M10: 3,239,691 km (0.097 R)
• M11: 3,908,095 km (0.059 R)
• M12: 4,844,877 km (0.12 R)
• M13: 5,381,783 km (0.098 R)
• M14: 6,170,164 km (0.089 R)
• M15: 6,915,910 km (0.092 R)
• M16: 7,636,971 km (0.106 R)
• M17: 8,765,089 km (0.092 R)
• M18: 9,227,197 km (0.087 R)
• M19: 13,464,856 km (0.082 R)
• M20: 14,330,578 km (0.118 R)
• M21: 14,712,801 km (0.118 R)
• M22: 15,765,222 km (0.088 R)
• M23: 16,937,471 km (0.108 R)
• M24: 17,508,636 km (0.085 R)
• M25: 20,001,235 km (0.108 R)
• M26: 22,463,766 km (0.074 R)
• M27: 23,153,113 km (0.114 R)
• M28: 23,327,544 km (0.091 R)
• M29: 24,034,394 km (0.088 R)
• M30: 24,573,694 km (0.115 R)
• M31: 25,490,580 km (0.117 R)
• M32: 26,525,198 km (0.036 R)
• M33: 26,812,127 km (0.036 R)
• M34: 28,079,670 km (0.096 R)
• M35: 33,773,215 km (0.113 R)
• M36: 35,020,263 km (0.076 R)
• M37: 36,651,478 km (0.089 R)
• M38: 38,454,731 km (0.089 R)
• M39: 39,939,191 km (0.035 R)
• M40: 43,949,910 km (0.07 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.2

Radius: 7.4

Gravity: 11.45 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 8.85 AU - 10.97 AU

Year: 21534 Days

Day: 21.9 Hours

Environment

Temp: -244 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,616,328 km

• M1: 92,152 km (0.088 R)
• M2: 440,267 km (0.053 R)
• M3: 1,060,051 km (0.092 R)
• M4: 1,438,982 km (0.109 R)
• M5: 1,793,828 km (0.114 R)
• M6: 2,561,564 km (0.079 R)
• M7: 3,955,517 km (0.047 R)
• M8: 4,655,336 km (0.089 R)
• M9: 5,166,063 km (0.097 R)
• M10: 5,396,145 km (0.104 R)
• M11: 6,473,249 km (0.119 R)
• M12: 8,140,817 km (0.106 R)
• M13: 8,665,606 km (0.07 R)
• M14: 9,666,715 km (0.109 R)
• M15: 11,374,225 km (0.075 R)
• M16: 12,299,339 km (0.113 R)
• M17: 12,572,654 km (0.118 R)
• M18: 18,037,015 km (0.096 R)
• M19: 19,661,947 km (0.076 R)
• M20: 20,224,585 km (0.109 R)
• M21: 20,991,573 km (0.107 R)
• M22: 21,579,194 km (0.119 R)
• M23: 22,379,991 km (0.105 R)
• M24: 24,040,527 km (0.035 R)
• M25: 24,468,078 km (0.098 R)
• M26: 24,900,865 km (0.101 R)
• M27: 28,310,499 km (0.06 R)
• M28: 40,533,393 km (0.112 R)
• M29: 45,225,381 km (0.043 R)
• M30: 62,650,541 km (0.089 R)
• M31: 63,663,917 km (0.106 R)
• M32: 65,723,431 km (0.113 R)
• M33: 71,946,104 km (0.168 R)
• M34: 73,280,816 km (0.225 R)
• M35: 74,631,984 km (0.046 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: 555 - 13,110 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit