🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.6

Radius: 10.2

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.47 AU - 0.65 AU

Year: 295 Days

Day: 7.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,047,051 km

• M1: 129,701 km (0.11 R)
• M2: 461,958 km (0.036 R)
• M3: 825,481 km (0.104 R)
• M4: 1,312,123 km (0.084 R)
• M5: 2,026,752 km (0.097 R)
• M6: 2,447,870 km (0.111 R)
• M7: 2,853,579 km (0.056 R)
• M8: 3,551,902 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.7

Radius: 14.6

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.1 AU - 1.64 AU

Year: 1127 Days

Day: 7.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,047,051 km

• M1: 181,911 km (0.032 R)
• M2: 665,411 km (0.083 R)
• M3: 1,281,755 km (0.115 R)
• M4: 1,818,961 km (0.06 R)
• M5: 2,338,065 km (0.11 R)
• M6: 2,884,247 km (0.075 R)
• M7: 3,393,029 km (0.102 R)
• M8: 3,946,841 km (0.074 R)
• M9: 4,900,377 km (0.116 R)
• M10: 5,669,161 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.5

Radius: 9.9

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.84 AU - 2.56 AU

Year: 2294 Days

Day: 6.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,047,051 km

• M1: 123,119 km (0.12 R)
• M2: 514,467 km (0.072 R)
• M3: 902,524 km (0.085 R)
• M4: 1,739,973 km (0.088 R)
• M5: 2,420,494 km (0.105 R)
• M6: 3,620,568 km (0.097 R)
• M7: 4,399,075 km (0.098 R)
• M8: 4,728,340 km (0.07 R)
• M9: 5,328,227 km (0.08 R)
• M10: 6,505,862 km (0.112 R)
• M11: 7,848,802 km (0.037 R)
• M12: 10,348,433 km (0.086 R)
• M13: 12,132,387 km (0.045 R)
• M14: 13,136,937 km (0.082 R)
• M15: 13,578,400 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.9

Radius: 11.1

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.17 AU - 3.11 AU

Year: 3015 Days

Day: 10.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,047,051 km

• M1: 138,677 km (0.03 R)
• M2: 528,380 km (0.104 R)
• M3: 936,333 km (0.11 R)
• M4: 1,479,673 km (0.056 R)
• M5: 1,831,377 km (0.066 R)
• M6: 2,770,104 km (0.04 R)
• M7: 3,157,712 km (0.114 R)
• M8: 5,648,666 km (0.038 R)
• M9: 7,038,729 km (0.082 R)
• M10: 8,848,714 km (0.113 R)
• M11: 10,871,427 km (0.072 R)
• M12: 12,223,492 km (0.108 R)
• M13: 14,338,507 km (0.104 R)
• M14: 14,769,798 km (0.104 R)
• M15: 16,115,879 km (0.093 R)
• M16: 18,878,653 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392

Radius: 8.7

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.76 AU - 3.26 AU

Year: 3671 Days

Day: 6.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 73.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,047,051 km

• M1: 108,309 km (0.05 R)
• M2: 436,826 km (0.119 R)
• M3: 850,763 km (0.039 R)
• M4: 1,466,358 km (0.092 R)
• M5: 1,920,687 km (0.118 R)
• M6: 2,201,781 km (0.067 R)
• M7: 2,896,364 km (0.071 R)
• M8: 3,634,031 km (0.036 R)
• M9: 4,233,919 km (0.096 R)
• M10: 4,602,079 km (0.102 R)
• M11: 5,553,671 km (0.086 R)
• M12: 9,087,173 km (0.043 R)
• M13: 10,655,258 km (0.034 R)
• M14: 11,669,980 km (0.104 R)
• M15: 11,965,286 km (0.085 R)
• M16: 12,309,062 km (0.113 R)
• M17: 13,564,039 km (0.073 R)
• M18: 13,843,637 km (0.029 R)
• M19: 14,705,919 km (0.059 R)
• M20: 15,451,366 km (0.084 R)
• M21: 16,274,154 km (0.094 R)
• M22: 19,384,443 km (0.035 R)
• M23: 19,918,807 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.2

Radius: 7.9

Gravity: 14.71 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.79 AU - 6.17 AU

Year: 9017 Days

Day: 15.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 147.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 82,047,051 km

• M1: 98,286 km (0.036 R)
• M2: 689,497 km (0.089 R)
• M3: 1,202,318 km (0.11 R)
• M4: 1,481,318 km (0.091 R)
• M5: 2,016,131 km (0.088 R)
• M6: 2,757,238 km (0.119 R)
• M7: 3,155,468 km (0.082 R)
• M8: 5,176,984 km (0.082 R)
• M9: 5,441,323 km (0.089 R)
• M10: 5,714,639 km (0.064 R)
• M11: 6,476,241 km (0.097 R)
• M12: 9,408,659 km (0.066 R)
• M13: 10,312,380 km (0.054 R)
• M14: 13,308,675 km (0.109 R)
• M15: 15,171,767 km (0.105 R)
• M16: 16,768,126 km (0.103 R)
• M17: 17,056,850 km (0.088 R)
• M18: 17,942,769 km (0.078 R)
• M19: 20,619,224 km (0.063 R)
• M20: 22,837,461 km (0.115 R)
• M21: 26,261,457 km (0.107 R)
• M22: 27,842,707 km (0.078 R)
• M23: 28,656,669 km (0.102 R)
• M24: 29,801,691 km (0.081 R)
• M25: 32,965,985 km (0.083 R)
• M26: 36,709,971 km (0.027 R)
• M27: 42,041,340 km (0.117 R)
• M28: 43,382,784 km (0.103 R)
• M29: 43,654,454 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.2

Radius: 6.1

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.75 AU - 9.11 AU

Year: 14236 Days

Day: 23.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,047,051 km

• M1: 80,184 km (0.101 R)
• M2: 296,054 km (0.074 R)
• M3: 974,181 km (0.082 R)
• M4: 2,010,446 km (0.075 R)
• M5: 3,087,550 km (0.052 R)
• M6: 3,397,368 km (0.12 R)
• M7: 3,865,908 km (0.064 R)
• M8: 4,326,071 km (0.072 R)
• M9: 5,772,533 km (0.086 R)
• M10: 7,514,750 km (0.099 R)
• M11: 8,585,123 km (0.102 R)
• M12: 9,324,585 km (0.075 R)
• M13: 10,105,785 km (0.038 R)
• M14: 15,256,589 km (0.101 R)
• M15: 17,025,285 km (0.105 R)
• M16: 20,675,024 km (0.087 R)
• M17: 24,651,784 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 423.2

Radius: 4

Gravity: 26.45 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 6.39 AU - 10.03 AU

Year: 16536 Days

Day: 24.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 93.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 82,047,051 km

• M1: 49,816 km (0.119 R)
• M2: 287,826 km (0.115 R)
• M3: 828,473 km (0.099 R)
• M4: 995,424 km (0.095 R)
• M5: 1,455,288 km (0.058 R)
• M6: 3,755,056 km (0.107 R)
• M7: 4,459,213 km (0.115 R)
• M8: 4,712,333 km (0.12 R)
• M9: 4,908,306 km (0.06 R)
• M10: 5,075,856 km (0.117 R)
• M11: 5,637,745 km (0.082 R)
• M12: 7,179,351 km (0.064 R)
• M13: 10,391,816 km (0.096 R)
• M14: 14,108,874 km (0.116 R)
• M15: 14,792,387 km (0.082 R)
• M16: 15,713,461 km (0.032 R)
• M17: 17,127,610 km (0.094 R)
• M18: 17,281,247 km (0.041 R)
• M19: 21,875,248 km (0.089 R)
• M20: 23,256,186 km (0.082 R)
• M21: 24,305,166 km (0.084 R)
• M22: 26,805,545 km (0.038 R)
• M23: 28,708,430 km (0.099 R)
• M24: 31,154,056 km (0.094 R)
• M25: 31,728,661 km (0.075 R)
• M26: 32,076,775 km (0.112 R)
• M27: 33,017,596 km (0.12 R)
• M28: 33,494,814 km (0.116 R)
• M29: 39,719,282 km (0.119 R)
• M30: 40,530,551 km (0.1 R)
• M31: 42,607,418 km (0.083 R)
• M32: 44,753,849 km (0.076 R)
• M33: 45,191,722 km (0.111 R)
• M34: 46,075,845 km (0.083 R)
• M35: 49,727,828 km (0.099 R)
• M36: 50,040,637 km (0.069 R)
• M37: 55,560,350 km (0.116 R)
• M38: 56,915,557 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 714.4

Radius: 4.6

Gravity: 33.76 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 9.36 AU - 10.46 AU

Year: 21929 Days

Day: 19.3 Hours

Environment

Temp: -244 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,047,051 km

• M1: 57,446 km (0.096 R)
• M2: 258,954 km (0.094 R)
• M3: 412,292 km (0.093 R)
• M4: 637,586 km (0.111 R)
• M5: 1,671,008 km (0.088 R)
• M6: 1,935,348 km (0.11 R)
• M7: 2,140,746 km (0.096 R)
• M8: 2,871,830 km (0.065 R)
• M9: 3,365,802 km (0.08 R)
• M10: 4,485,543 km (0.109 R)
• M11: 4,736,119 km (0.114 R)
• M12: 5,187,306 km (0.072 R)
• M13: 5,666,767 km (0.09 R)
• M14: 6,395,758 km (0.078 R)
• M15: 7,528,513 km (0.102 R)
• M16: 7,831,449 km (0.07 R)
• M17: 7,985,834 km (0.102 R)
• M18: 8,354,143 km (0.052 R)
• M19: 11,519,186 km (0.109 R)
• M20: 11,719,198 km (0.061 R)
• M21: 13,329,619 km (0.091 R)
• M22: 14,610,775 km (0.073 R)
• M23: 15,482,183 km (0.105 R)
• M24: 22,782,110 km (0.045 R)
• M25: 22,991,846 km (0.103 R)
• M26: 25,497,760 km (0.063 R)
• M27: 25,837,497 km (0.105 R)
• M28: 27,462,728 km (0.105 R)
• M29: 29,154,979 km (0.113 R)
• M30: 53,306,508 km (0.056 R)
• M31: 62,250,666 km (0.063 R)
• M32: 72,596,555 km (0.03 R)
• M33: 79,130,691 km (0.112 R)
• M34: 81,067,086 km (0.113 R)
• M35: 82,047,102 km (0.103 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 14,105 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit