🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871

Radius: 11.8

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.32 AU - 1.44 AU

Year: 1063 Days

Day: 8.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,163,474 km

• M1: 147,504 km (0.08 R)
• M2: 773,271 km (0.111 R)
• M3: 1,167,911 km (0.038 R)
• M4: 2,189,814 km (0.115 R)
• M5: 2,916,410 km (0.072 R)
• M6: 3,592,892 km (0.114 R)
• M7: 4,145,507 km (0.116 R)
• M8: 4,982,955 km (0.096 R)
• M9: 5,360,391 km (0.103 R)
• M10: 6,992,952 km (0.091 R)
• M11: 7,570,101 km (0.111 R)
• M12: 8,260,645 km (0.069 R)
• M13: 8,734,571 km (0.079 R)
• M14: 9,226,449 km (0.086 R)
• M15: 9,798,212 km (0.043 R)
• M16: 10,716,294 km (0.048 R)
• M17: 11,246,918 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 838.8

Radius: 14

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.79 AU - 2.49 AU

Year: 2054 Days

Day: 11 Hours

Environment

Temp: -186 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,163,474 km

• M1: 175,179 km (0.045 R)
• M2: 1,198,578 km (0.114 R)
• M3: 1,997,580 km (0.086 R)
• M4: 2,850,587 km (0.089 R)
• M5: 3,954,021 km (0.046 R)
• M6: 4,594,001 km (0.114 R)
• M7: 5,372,209 km (0.105 R)
• M8: 5,905,376 km (0.105 R)
• M9: 6,367,783 km (0.051 R)
• M10: 8,562,384 km (0.102 R)
• M11: 9,055,608 km (0.117 R)
• M12: 9,637,693 km (0.093 R)
• M13: 10,538,871 km (0.104 R)
• M14: 11,029,402 km (0.064 R)
• M15: 13,938,333 km (0.119 R)
• M16: 15,281,273 km (0.049 R)
• M17: 16,107,801 km (0.102 R)
• M18: 16,963,950 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.3

Radius: 8.9

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.1 AU - 2.2 AU

Year: 2068 Days

Day: 10.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,163,474 km

• M1: 110,852 km (0.103 R)
• M2: 426,055 km (0.051 R)
• M3: 736,321 km (0.093 R)
• M4: 1,194,988 km (0.116 R)
• M5: 1,538,465 km (0.078 R)
• M6: 2,075,820 km (0.089 R)
• M7: 2,536,432 km (0.091 R)
• M8: 3,064,064 km (0.116 R)
• M9: 3,842,721 km (0.107 R)
• M10: 4,259,201 km (0.08 R)
• M11: 5,071,517 km (0.071 R)
• M12: 5,479,620 km (0.097 R)
• M13: 5,860,646 km (0.109 R)
• M14: 7,083,609 km (0.112 R)
• M15: 7,858,675 km (0.094 R)
• M16: 8,594,248 km (0.086 R)
• M17: 10,166,522 km (0.095 R)
• M18: 12,080,178 km (0.094 R)
• M19: 12,850,906 km (0.028 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.2

Radius: 14.1

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.29 AU - 3.01 AU

Year: 2830 Days

Day: 7.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,163,474 km

• M1: 175,329 km (0.081 R)
• M2: 673,190 km (0.065 R)
• M3: 1,421,928 km (0.083 R)
• M4: 2,222,426 km (0.034 R)
• M5: 2,749,310 km (0.117 R)
• M6: 3,240,589 km (0.099 R)
• M7: 4,361,676 km (0.119 R)
• M8: 4,899,629 km (0.03 R)
• M9: 6,701,985 km (0.082 R)
• M10: 7,244,127 km (0.115 R)
• M11: 7,692,622 km (0.12 R)
• M12: 8,579,887 km (0.116 R)
• M13: 9,393,699 km (0.084 R)
• M14: 10,184,473 km (0.114 R)
• M15: 10,787,203 km (0.093 R)
• M16: 11,573,938 km (0.084 R)
• M17: 12,440,858 km (0.095 R)
• M18: 13,753,879 km (0.047 R)
• M19: 15,745,026 km (0.094 R)
• M20: 16,500,645 km (0.11 R)
• M21: 17,017,805 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.3

Radius: 15

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.87 AU - 4.21 AU

Year: 4369 Days

Day: 13.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,163,474 km

• M1: 186,549 km (0.1 R)
• M2: 660,325 km (0.112 R)
• M3: 1,167,911 km (0.104 R)
• M4: 1,665,623 km (0.069 R)
• M5: 2,197,294 km (0.106 R)
• M6: 2,745,570 km (0.113 R)
• M7: 3,772,260 km (0.102 R)
• M8: 4,341,779 km (0.047 R)
• M9: 6,008,898 km (0.07 R)
• M10: 8,105,063 km (0.119 R)
• M11: 10,489,055 km (0.103 R)
• M12: 10,983,476 km (0.081 R)
• M13: 11,450,371 km (0.114 R)
• M14: 12,791,815 km (0.065 R)
• M15: 13,404,568 km (0.047 R)
• M16: 18,675,499 km (0.105 R)
• M17: 22,035,318 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.4

Radius: 11.6

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.92 AU - 4.2 AU

Year: 4406 Days

Day: 9.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,163,474 km

• M1: 144,212 km (0.12 R)
• M2: 507,286 km (0.117 R)
• M3: 1,020,557 km (0.04 R)
• M4: 1,455,138 km (0.103 R)
• M5: 1,874,162 km (0.07 R)
• M6: 3,227,424 km (0.039 R)
• M7: 3,625,654 km (0.085 R)
• M8: 5,275,120 km (0.117 R)
• M9: 5,830,876 km (0.043 R)
• M10: 7,803,025 km (0.049 R)
• M11: 8,314,949 km (0.105 R)
• M12: 9,674,195 km (0.039 R)
• M13: 10,964,776 km (0.045 R)
• M14: 12,550,214 km (0.067 R)
• M15: 14,689,314 km (0.109 R)
• M16: 18,757,479 km (0.099 R)
• M17: 19,367,688 km (0.059 R)
• M18: 19,991,063 km (0.11 R)
• M19: 20,435,368 km (0.045 R)
• M20: 21,081,631 km (0.103 R)
• M21: 22,211,245 km (0.058 R)
• M22: 23,241,226 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.1

Radius: 11.7

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 3.61 AU - 3.69 AU

Year: 4575 Days

Day: 5.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,163,474 km

• M1: 145,559 km (0.096 R)
• M2: 769,382 km (0.081 R)
• M3: 1,245,402 km (0.039 R)
• M4: 2,028,846 km (0.054 R)
• M5: 2,693,809 km (0.112 R)
• M6: 3,155,617 km (0.102 R)
• M7: 3,670,085 km (0.031 R)
• M8: 4,051,410 km (0.049 R)
• M9: 5,673,798 km (0.102 R)
• M10: 6,928,326 km (0.053 R)
• M11: 8,668,000 km (0.064 R)
• M12: 9,104,526 km (0.065 R)
• M13: 10,195,244 km (0.1 R)
• M14: 13,616,847 km (0.073 R)
• M15: 14,099,300 km (0.086 R)
• M16: 14,760,074 km (0.108 R)
• M17: 16,262,934 km (0.081 R)
• M18: 16,684,351 km (0.067 R)
• M19: 18,508,847 km (0.108 R)
• M20: 18,968,412 km (0.099 R)
• M21: 19,570,543 km (0.099 R)
• M22: 20,393,182 km (0.057 R)
• M23: 22,107,274 km (0.079 R)
• M24: 22,849,280 km (0.081 R)
• M25: 26,065,634 km (0.052 R)
• M26: 26,893,808 km (0.075 R)
• M27: 27,910,475 km (0.092 R)
• M28: 29,217,212 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 187.5

Radius: 7

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.14 AU - 6.38 AU

Year: 10275 Days

Day: 23.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,163,474 km

• M1: 87,216 km (0.059 R)
• M2: 359,334 km (0.119 R)
• M3: 661,971 km (0.108 R)
• M4: 1,586,186 km (0.08 R)
• M5: 2,513,095 km (0.049 R)
• M6: 2,834,580 km (0.105 R)
• M7: 3,495,354 km (0.101 R)
• M8: 4,132,940 km (0.065 R)
• M9: 4,428,845 km (0.109 R)
• M10: 4,818,697 km (0.063 R)
• M11: 5,636,997 km (0.087 R)
• M12: 7,260,284 km (0.077 R)
• M13: 8,140,667 km (0.089 R)
• M14: 9,049,325 km (0.076 R)
• M15: 9,677,337 km (0.059 R)
• M16: 10,926,778 km (0.117 R)
• M17: 20,188,083 km (0.088 R)
• M18: 26,002,055 km (0.069 R)
• M19: 28,574,540 km (0.116 R)
• M20: 29,019,145 km (0.069 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 80.5

Radius: 7.8

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.57 AU - 7.53 AU

Year: 10997 Days

Day: 17.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,163,474 km

• M1: 97,987 km (0.048 R)
• M2: 358,736 km (0.082 R)
• M3: 1,193,043 km (0.073 R)
• M4: 1,942,977 km (0.113 R)
• M5: 2,322,507 km (0.037 R)
• M6: 3,174,467 km (0.088 R)
• M7: 3,460,947 km (0.119 R)
• M8: 4,833,956 km (0.107 R)
• M9: 5,319,251 km (0.084 R)
• M10: 5,724,961 km (0.076 R)
• M11: 6,476,989 km (0.075 R)
• M12: 8,827,920 km (0.105 R)
• M13: 9,358,544 km (0.116 R)
• M14: 10,234,888 km (0.073 R)
• M15: 11,121,555 km (0.118 R)
• M16: 13,241,057 km (0.104 R)
• M17: 14,551,235 km (0.092 R)
• M18: 15,890,435 km (0.081 R)
• M19: 19,247,561 km (0.102 R)
• M20: 23,405,335 km (0.105 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765.8

Radius: 3.7

Gravity: 55.94 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 6 AU - 7.14 AU

Year: 11047 Days

Day: 24.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 53,163,474 km

• M1: 46,076 km (0.101 R)
• M2: 228,885 km (0.078 R)
• M3: 393,293 km (0.09 R)
• M4: 510,428 km (0.086 R)
• M5: 675,584 km (0.1 R)
• M6: 866,022 km (0.072 R)
• M7: 1,079,947 km (0.089 R)
• M8: 3,344,560 km (0.112 R)
• M9: 3,925,448 km (0.025 R)
• M10: 4,298,695 km (0.105 R)
• M11: 4,601,631 km (0.082 R)
• M12: 4,854,152 km (0.087 R)
• M13: 5,283,946 km (0.112 R)
• M14: 6,449,463 km (0.095 R)
• M15: 7,386,245 km (0.108 R)
• M16: 7,864,809 km (0.116 R)
• M17: 9,126,667 km (0.102 R)
• M18: 9,831,273 km (0.049 R)
• M19: 10,091,573 km (0.077 R)
• M20: 10,356,361 km (0.037 R)
• M21: 11,405,042 km (0.106 R)
• M22: 12,221,697 km (0.055 R)
• M23: 15,666,787 km (0.097 R)
• M24: 16,600,876 km (0.115 R)
• M25: 20,037,737 km (0.109 R)
• M26: 20,455,863 km (0.043 R)
• M27: 21,921,474 km (0.103 R)
• M28: 22,544,698 km (0.112 R)
• M29: 23,826,602 km (0.11 R)
• M30: 25,545,033 km (0.085 R)
• M31: 26,036,612 km (0.096 R)
• M32: 29,119,525 km (0.103 R)
• M33: 32,208,422 km (0.108 R)
• M34: 35,752,694 km (0.108 R)
• M35: 41,273,155 km (0.052 R)
• M36: 41,407,943 km (0.075 R)
• M37: 45,875,833 km (0.116 R)
• M38: 51,585,834 km (0.11 R)
• M39: 51,898,792 km (0.087 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 10,324 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit