🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449

Radius: 8.5

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.81 AU - 1.11 AU

Year: 607 Days

Day: 12.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,246,296 km

• M1: 105,766 km (0.116 R)
• M2: 386,411 km (0.059 R)
• M3: 863,928 km (0.09 R)
• M4: 1,259,165 km (0.11 R)
• M5: 1,665,473 km (0.114 R)
• M6: 2,248,306 km (0.107 R)
• M7: 3,273,052 km (0.119 R)
• M8: 4,060,685 km (0.056 R)
• M9: 5,097,398 km (0.091 R)
• M10: 5,791,831 km (0.117 R)
• M11: 6,433,307 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.7

Radius: 11.7

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.85 AU - 1.25 AU

Year: 695 Days

Day: 11.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,246,296 km

• M1: 145,559 km (0.051 R)
• M2: 512,373 km (0.059 R)
• M3: 893,997 km (0.079 R)
• M4: 1,261,858 km (0.087 R)
• M5: 1,636,750 km (0.087 R)
• M6: 2,632,324 km (0.117 R)
• M7: 3,375,377 km (0.036 R)
• M8: 4,054,252 km (0.093 R)
• M9: 4,737,914 km (0.091 R)
• M10: 6,396,955 km (0.106 R)
• M11: 7,212,263 km (0.083 R)
• M12: 7,832,795 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.9

Radius: 11.7

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.32 AU - 1.46 AU

Year: 1058 Days

Day: 10.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,246,296 km

• M1: 145,559 km (0.042 R)
• M2: 520,900 km (0.111 R)
• M3: 911,051 km (0.118 R)
• M4: 1,330,224 km (0.107 R)
• M5: 1,773,782 km (0.106 R)
• M6: 2,432,611 km (0.09 R)
• M7: 2,899,656 km (0.106 R)
• M8: 3,641,960 km (0.033 R)
• M9: 4,416,428 km (0.09 R)
• M10: 5,338,400 km (0.087 R)
• M11: 6,666,081 km (0.046 R)
• M12: 7,562,023 km (0.058 R)
• M13: 9,261,006 km (0.077 R)
• M14: 10,247,903 km (0.041 R)
• M15: 10,866,191 km (0.106 R)
• M16: 11,371,832 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.5

Radius: 13.9

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.8 AU - 2.66 AU

Year: 2150 Days

Day: 5.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,246,296 km

• M1: 172,935 km (0.086 R)
• M2: 910,453 km (0.095 R)
• M3: 1,477,877 km (0.114 R)
• M4: 2,015,831 km (0.114 R)
• M5: 2,729,114 km (0.101 R)
• M6: 5,918,690 km (0.081 R)
• M7: 6,529,199 km (0.069 R)
• M8: 7,064,909 km (0.083 R)
• M9: 8,884,468 km (0.102 R)
• M10: 9,940,180 km (0.106 R)
• M11: 10,612,623 km (0.073 R)
• M12: 12,090,500 km (0.115 R)
• M13: 16,406,698 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.3

Radius: 10.9

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.73 AU - 2.87 AU

Year: 3025 Days

Day: 5.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,246,296 km

• M1: 142,268 km (0.038 R)
• M2: 535,860 km (0.083 R)
• M3: 880,234 km (0.114 R)
• M4: 1,254,677 km (0.033 R)
• M5: 1,980,676 km (0.075 R)
• M6: 2,855,823 km (0.115 R)
• M7: 4,296,750 km (0.119 R)
• M8: 5,578,654 km (0.102 R)
• M9: 6,724,424 km (0.036 R)
• M10: 7,070,743 km (0.035 R)
• M11: 7,489,617 km (0.078 R)
• M12: 8,246,583 km (0.118 R)
• M13: 10,061,055 km (0.103 R)
• M14: 12,170,236 km (0.113 R)
• M15: 12,685,899 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.8

Radius: 9.7

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.89 AU - 4.35 AU

Year: 4447 Days

Day: 7 Hours

Environment

Temp: -217 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 66,246,296 km

• M1: 120,576 km (0.091 R)
• M2: 593,604 km (0.079 R)
• M3: 1,040,154 km (0.065 R)
• M4: 1,540,858 km (0.075 R)
• M5: 1,986,510 km (0.116 R)
• M6: 2,696,950 km (0.071 R)
• M7: 3,102,061 km (0.095 R)
• M8: 3,567,909 km (0.102 R)
• M9: 6,758,682 km (0.093 R)
• M10: 7,342,263 km (0.113 R)
• M11: 7,749,618 km (0.116 R)
• M12: 8,796,804 km (0.086 R)
• M13: 9,612,112 km (0.113 R)
• M14: 10,100,100 km (0.102 R)
• M15: 10,819,816 km (0.041 R)
• M16: 12,219,453 km (0.077 R)
• M17: 12,551,561 km (0.111 R)
• M18: 12,938,570 km (0.094 R)
• M19: 14,355,860 km (0.105 R)
• M20: 17,198,968 km (0.115 R)
• M21: 17,556,507 km (0.05 R)
• M22: 18,596,212 km (0.115 R)
• M23: 19,676,608 km (0.067 R)
• M24: 20,133,330 km (0.096 R)
• M25: 21,136,085 km (0.054 R)
• M26: 22,312,223 km (0.076 R)
• M27: 22,880,695 km (0.118 R)
• M28: 23,604,599 km (0.055 R)
• M29: 26,102,584 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.8

Radius: 5.2

Gravity: 32.57 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 6.59 AU - 8.95 AU

Year: 13984 Days

Day: 24.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,246,296 km

• M1: 65,075 km (0.119 R)
• M2: 280,047 km (0.059 R)
• M3: 633,846 km (0.028 R)
• M4: 1,170,005 km (0.119 R)
• M5: 2,808,999 km (0.092 R)
• M6: 4,519,800 km (0.079 R)
• M7: 5,687,561 km (0.078 R)
• M8: 6,485,965 km (0.107 R)
• M9: 6,654,113 km (0.08 R)
• M10: 7,493,507 km (0.116 R)
• M11: 11,623,306 km (0.098 R)
• M12: 12,123,860 km (0.119 R)
• M13: 12,315,346 km (0.079 R)
• M14: 14,700,085 km (0.054 R)
• M15: 17,214,825 km (0.078 R)
• M16: 20,269,763 km (0.073 R)
• M17: 22,399,888 km (0.043 R)
• M18: 25,396,333 km (0.092 R)
• M19: 26,990,149 km (0.094 R)
• M20: 27,426,226 km (0.079 R)
• M21: 30,258,563 km (0.081 R)
• M22: 30,493,132 km (0.119 R)
• M23: 33,404,756 km (0.117 R)
• M24: 35,706,169 km (0.091 R)
• M25: 37,974,821 km (0.114 R)
• M26: 42,649,455 km (0.09 R)
• M27: 45,661,459 km (0.081 R)
• M28: 48,170,814 km (0.048 R)
• M29: 50,605,519 km (0.102 R)
• M30: 52,273,386 km (0.112 R)
• M31: 56,071,077 km (0.119 R)
• M32: 57,856,378 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877.7

Radius: 6.6

Gravity: 20.15 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 7.71 AU - 8.47 AU

Year: 14857 Days

Day: 24.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 66,246,296 km

• M1: 82,129 km (0.117 R)
• M2: 927,507 km (0.117 R)
• M3: 1,139,936 km (0.074 R)
• M4: 2,002,966 km (0.061 R)
• M5: 2,886,491 km (0.035 R)
• M6: 3,826,564 km (0.081 R)
• M7: 4,160,317 km (0.114 R)
• M8: 4,851,459 km (0.097 R)
• M9: 5,732,291 km (0.047 R)
• M10: 6,210,556 km (0.069 R)
• M11: 6,715,299 km (0.077 R)
• M12: 8,145,454 km (0.088 R)
• M13: 8,749,830 km (0.117 R)
• M14: 9,492,434 km (0.104 R)
• M15: 11,908,439 km (0.118 R)
• M16: 12,554,553 km (0.076 R)
• M17: 12,886,361 km (0.092 R)
• M18: 13,429,102 km (0.104 R)
• M19: 17,254,469 km (0.101 R)
• M20: 17,581,939 km (0.105 R)
• M21: 26,204,461 km (0.043 R)
• M22: 26,637,397 km (0.097 R)
• M23: 28,759,293 km (0.071 R)
• M24: 29,452,230 km (0.096 R)
• M25: 33,844,723 km (0.04 R)
• M26: 36,868,545 km (0.041 R)
• M27: 41,808,117 km (0.06 R)
• M28: 43,145,971 km (0.119 R)
• M29: 48,946,778 km (0.086 R)
• M30: 58,866,613 km (0.06 R)
• M31: 60,734,641 km (0.113 R)
• M32: 62,065,464 km (0.048 R)
• M33: 62,449,332 km (0.089 R)
• M34: 65,378,458 km (0.112 R)
• M35: 65,975,055 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 824.9

Radius: 3.2

Gravity: 80.56 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.47 AU - 9.65 AU

Year: 16171 Days

Day: 19 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,246,296 km

• M1: 40,092 km (0.106 R)
• M2: 180,265 km (0.088 R)
• M3: 360,980 km (0.089 R)
• M4: 680,820 km (0.064 R)
• M5: 1,631,215 km (0.107 R)
• M6: 2,051,735 km (0.106 R)
• M7: 2,255,487 km (0.115 R)
• M8: 2,384,141 km (0.088 R)
• M9: 3,892,686 km (0.062 R)
• M10: 5,392,106 km (0.114 R)
• M11: 5,622,486 km (0.065 R)
• M12: 7,283,472 km (0.072 R)
• M13: 7,756,799 km (0.051 R)
• M14: 8,816,850 km (0.097 R)
• M15: 12,108,601 km (0.095 R)
• M16: 14,387,725 km (0.06 R)
• M17: 15,977,651 km (0.099 R)
• M18: 16,855,491 km (0.073 R)
• M19: 19,057,273 km (0.103 R)
• M20: 19,591,337 km (0.109 R)
• M21: 21,443,359 km (0.084 R)
• M22: 21,634,844 km (0.088 R)
• M23: 23,510,203 km (0.043 R)
• M24: 24,854,041 km (0.101 R)
• M25: 26,577,109 km (0.051 R)
• M26: 27,019,919 km (0.094 R)
• M27: 27,806,803 km (0.068 R)
• M28: 29,900,126 km (0.052 R)
• M29: 31,722,827 km (0.117 R)
• M30: 32,221,137 km (0.077 R)
• M31: 33,489,727 km (0.083 R)
• M32: 34,006,289 km (0.118 R)
• M33: 41,955,620 km (0.09 R)
• M34: 44,546,057 km (0.082 R)
• M35: 58,733,919 km (0.062 R)
• M36: 63,335,251 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595

Radius: 6.9

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 6.87 AU - 11.13 AU

Year: 17433 Days

Day: 17.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,246,296 km

• M1: 85,869 km (0.072 R)
• M2: 346,768 km (0.063 R)
• M3: 743,352 km (0.108 R)
• M4: 1,402,630 km (0.115 R)
• M5: 1,682,826 km (0.111 R)
• M6: 2,114,566 km (0.077 R)
• M7: 3,464,238 km (0.075 R)
• M8: 3,687,588 km (0.11 R)
• M9: 4,351,952 km (0.077 R)
• M10: 6,525,609 km (0.086 R)
• M11: 11,213,707 km (0.049 R)
• M12: 12,663,609 km (0.101 R)
• M13: 13,061,390 km (0.114 R)
• M14: 16,238,250 km (0.085 R)
• M15: 17,267,334 km (0.061 R)
• M16: 22,296,067 km (0.038 R)
• M17: 30,763,456 km (0.106 R)
• M18: 34,857,052 km (0.117 R)
• M19: 39,159,487 km (0.097 R)
• M20: 40,003,817 km (0.075 R)
• M21: 49,125,098 km (0.069 R)
• M22: 56,452,701 km (0.075 R)
• M23: 57,891,683 km (0.113 R)
• M24: 60,842,950 km (0.059 R)
• M25: 61,407,233 km (0.089 R)
• M26: 62,929,092 km (0.116 R)
• M27: 64,671,160 km (0.092 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: 380 - 19,159 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit