🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.5

Radius: 11.6

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.7 AU - 1.12 AU

Year: 599 Days

Day: 8.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,147,040 km

• M1: 144,212 km (0.113 R)
• M2: 878,140 km (0.033 R)
• M3: 1,645,726 km (0.118 R)
• M4: 2,660,000 km (0.051 R)
• M5: 3,578,381 km (0.047 R)
• M6: 4,437,222 km (0.034 R)
• M7: 6,540,419 km (0.076 R)
• M8: 8,011,265 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.3

Radius: 11.6

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.8 AU - 1.22 AU

Year: 701 Days

Day: 11.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,147,040 km

• M1: 144,512 km (0.076 R)
• M2: 617,540 km (0.103 R)
• M3: 1,737,878 km (0.082 R)
• M4: 2,233,197 km (0.05 R)
• M5: 2,964,731 km (0.117 R)
• M6: 3,704,043 km (0.11 R)
• M7: 4,413,137 km (0.057 R)
• M8: 4,777,109 km (0.101 R)
• M9: 5,531,381 km (0.068 R)
• M10: 5,901,337 km (0.056 R)
• M11: 6,287,898 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.5

Radius: 9.2

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.74 AU - 2.32 AU

Year: 1996 Days

Day: 8.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,147,040 km

• M1: 114,592 km (0.09 R)
• M2: 400,773 km (0.079 R)
• M3: 872,754 km (0.108 R)
• M4: 1,370,466 km (0.054 R)
• M5: 1,731,446 km (0.054 R)
• M6: 2,476,294 km (0.069 R)
• M7: 2,802,567 km (0.095 R)
• M8: 3,346,056 km (0.071 R)
• M9: 3,908,693 km (0.102 R)
• M10: 4,588,167 km (0.035 R)
• M11: 5,222,611 km (0.119 R)
• M12: 6,501,673 km (0.081 R)
• M13: 6,809,545 km (0.108 R)
• M14: 7,687,236 km (0.038 R)
• M15: 8,359,080 km (0.1 R)
• M16: 9,127,864 km (0.086 R)
• M17: 10,005,405 km (0.118 R)
• M18: 10,806,202 km (0.115 R)
• M19: 11,408,782 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.1

Radius: 14

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.23 AU - 2.37 AU

Year: 2408 Days

Day: 6.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,147,040 km

• M1: 174,282 km (0.102 R)
• M2: 1,354,758 km (0.104 R)
• M3: 2,108,432 km (0.054 R)
• M4: 3,382,557 km (0.114 R)
• M5: 3,817,887 km (0.104 R)
• M6: 4,542,091 km (0.109 R)
• M7: 5,214,084 km (0.094 R)
• M8: 6,003,363 km (0.102 R)
• M9: 6,871,030 km (0.118 R)
• M10: 9,128,911 km (0.06 R)
• M11: 11,844,711 km (0.117 R)
• M12: 15,157,406 km (0.047 R)
• M13: 17,026,182 km (0.112 R)
• M14: 17,556,657 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.6

Radius: 9.2

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.11 AU - 3.31 AU

Year: 3079 Days

Day: 14 Hours

Environment

Temp: -213 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,147,040 km

• M1: 114,442 km (0.109 R)
• M2: 441,164 km (0.092 R)
• M3: 1,020,856 km (0.093 R)
• M4: 1,387,520 km (0.056 R)
• M5: 2,217,938 km (0.119 R)
• M6: 2,563,659 km (0.075 R)
• M7: 3,513,007 km (0.102 R)
• M8: 3,823,422 km (0.105 R)
• M9: 4,304,230 km (0.078 R)
• M10: 5,297,709 km (0.069 R)
• M11: 6,386,483 km (0.072 R)
• M12: 6,903,942 km (0.078 R)
• M13: 8,081,427 km (0.105 R)
• M14: 9,552,273 km (0.115 R)
• M15: 12,853,000 km (0.112 R)
• M16: 13,932,498 km (0.085 R)
• M17: 14,233,190 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.6

Radius: 10.3

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.38 AU - 4.42 AU

Year: 5316 Days

Day: 5.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,147,040 km

• M1: 128,056 km (0.109 R)
• M2: 526,734 km (0.075 R)
• M3: 959,222 km (0.081 R)
• M4: 1,458,130 km (0.087 R)
• M5: 2,551,242 km (0.094 R)
• M6: 3,578,381 km (0.115 R)
• M7: 5,274,671 km (0.119 R)
• M8: 6,062,603 km (0.09 R)
• M9: 7,388,938 km (0.086 R)
• M10: 8,306,422 km (0.048 R)
• M11: 10,890,276 km (0.119 R)
• M12: 11,945,988 km (0.089 R)
• M13: 12,297,992 km (0.054 R)
• M14: 13,584,384 km (0.118 R)
• M15: 13,967,953 km (0.107 R)
• M16: 15,942,196 km (0.075 R)
• M17: 16,315,443 km (0.09 R)
• M18: 17,809,477 km (0.065 R)
• M19: 18,736,984 km (0.072 R)
• M20: 19,757,241 km (0.039 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.4

Radius: 14.1

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.98 AU - 4.12 AU

Year: 5626 Days

Day: 10.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,147,040 km

• M1: 175,329 km (0.074 R)
• M2: 623,225 km (0.111 R)
• M3: 1,125,874 km (0.078 R)
• M4: 1,574,368 km (0.117 R)
• M5: 2,159,894 km (0.082 R)
• M6: 2,680,195 km (0.108 R)
• M7: 3,693,571 km (0.092 R)
• M8: 4,445,151 km (0.117 R)
• M9: 5,001,506 km (0.081 R)
• M10: 5,462,865 km (0.095 R)
• M11: 6,857,118 km (0.092 R)
• M12: 9,704,563 km (0.102 R)
• M13: 11,367,194 km (0.115 R)
• M14: 12,461,802 km (0.117 R)
• M15: 14,695,448 km (0.118 R)
• M16: 17,062,834 km (0.049 R)
• M17: 17,552,917 km (0.062 R)
• M18: 19,808,553 km (0.053 R)
• M19: 21,747,342 km (0.096 R)
• M20: 22,396,746 km (0.084 R)
• M21: 23,432,412 km (0.057 R)
• M22: 25,599,337 km (0.103 R)
• M23: 28,321,121 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 845

Radius: 5

Gravity: 33.8 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.76 AU - 7.86 AU

Year: 12267 Days

Day: 20.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,147,040 km

• M1: 63,280 km (0.1 R)
• M2: 411,095 km (0.116 R)
• M3: 655,239 km (0.099 R)
• M4: 959,820 km (0.094 R)
• M5: 1,220,419 km (0.063 R)
• M6: 2,395,511 km (0.119 R)
• M7: 4,058,889 km (0.116 R)
• M8: 4,421,963 km (0.094 R)
• M9: 4,611,504 km (0.095 R)
• M10: 5,388,814 km (0.05 R)
• M11: 5,827,435 km (0.103 R)
• M12: 6,055,572 km (0.043 R)
• M13: 6,329,037 km (0.092 R)
• M14: 11,307,804 km (0.118 R)
• M15: 12,457,763 km (0.098 R)
• M16: 17,289,624 km (0.074 R)
• M17: 20,246,426 km (0.097 R)
• M18: 21,034,957 km (0.055 R)
• M19: 25,387,806 km (0.058 R)
• M20: 31,918,202 km (0.091 R)
• M21: 38,679,128 km (0.075 R)
• M22: 41,686,943 km (0.099 R)
• M23: 50,038,992 km (0.094 R)
• M24: 51,316,258 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.5

Radius: 4.6

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.2 AU - 10.1 AU

Year: 16060 Days

Day: 22.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,147,040 km

• M1: 59,241 km (0.053 R)
• M2: 214,523 km (0.084 R)
• M3: 382,223 km (0.086 R)
• M4: 612,005 km (0.114 R)
• M5: 830,717 km (0.039 R)
• M6: 1,626,278 km (0.083 R)
• M7: 1,937,292 km (0.073 R)
• M8: 2,115,463 km (0.04 R)
• M9: 2,899,057 km (0.104 R)
• M10: 3,288,012 km (0.106 R)
• M11: 3,986,783 km (0.11 R)
• M12: 4,926,258 km (0.078 R)
• M13: 7,503,680 km (0.092 R)
• M14: 8,026,823 km (0.119 R)
• M15: 10,860,207 km (0.072 R)
• M16: 13,464,556 km (0.061 R)
• M17: 14,786,403 km (0.106 R)
• M18: 16,390,691 km (0.06 R)
• M19: 16,590,703 km (0.072 R)
• M20: 19,341,060 km (0.115 R)
• M21: 21,893,499 km (0.082 R)
• M22: 22,957,888 km (0.089 R)
• M23: 28,319,625 km (0.095 R)
• M24: 29,092,148 km (0.09 R)
• M25: 33,379,623 km (0.09 R)
• M26: 33,593,698 km (0.05 R)
• M27: 34,677,684 km (0.061 R)
• M28: 35,117,801 km (0.054 R)
• M29: 36,234,250 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407.6

Radius: 7.2

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 10.32 AU - 10.36 AU

Year: 22950 Days

Day: 16.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,147,040 km

• M1: 119,080 km (0.083 R)
• M2: 464,950 km (0.06 R)
• M3: 815,308 km (0.032 R)
• M4: 7,983,590 km (0.113 R)
• M5: 10,757,433 km (0.11 R)
• M6: 15,680,550 km (0.105 R)
• M7: 17,858,695 km (0.115 R)
• M8: 21,539,849 km (0.062 R)
• M9: 23,709,617 km (0.092 R)
• M10: 33,335,492 km (0.061 R)
• M11: 38,154,488 km (0.094 R)
• M12: 39,858,557 km (0.085 R)
• M13: 58,464,045 km (0.092 R)
• M14: 62,849,955 km (0.108 R)
• M15: 64,029,085 km (0.105 R)
• M16: 65,423,338 km (0.066 R)
• M17: 65,825,457 km (0.117 R)
• M18: 66,229,221 km (0.054 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 17,975 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit