🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.8

Radius: 13.9

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.56 AU - 0.72 AU

Year: 353 Days

Day: 9.2 Hours

Environment

Temp: -154 °C

Axial Tilt: 121.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,183,078 km

• M1: 172,935 km (0.082 R)
• M2: 652,396 km (0.111 R)
• M3: 1,147,565 km (0.11 R)
• M4: 1,624,782 km (0.114 R)
• M5: 2,120,849 km (0.101 R)
• M6: 2,718,642 km (0.091 R)
• M7: 3,247,770 km (0.12 R)
• M8: 3,698,508 km (0.054 R)
• M9: 4,324,575 km (0.091 R)
• M10: 4,843,530 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.1

Radius: 13.7

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.63 AU - 0.77 AU

Year: 404 Days

Day: 14.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,183,078 km

• M1: 170,392 km (0.087 R)
• M2: 734,226 km (0.081 R)
• M3: 1,278,763 km (0.104 R)
• M4: 1,741,469 km (0.063 R)
• M5: 2,343,750 km (0.118 R)
• M6: 2,927,630 km (0.069 R)
• M7: 3,549,209 km (0.07 R)
• M8: 4,113,941 km (0.082 R)
• M9: 4,541,941 km (0.062 R)
• M10: 5,059,101 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.5

Radius: 11.7

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.86 AU - 1.02 AU

Year: 629 Days

Day: 8.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,183,078 km

• M1: 145,708 km (0.077 R)
• M2: 586,274 km (0.105 R)
• M3: 1,074,412 km (0.081 R)
• M4: 1,587,832 km (0.113 R)
• M5: 2,420,643 km (0.114 R)
• M6: 2,861,658 km (0.078 R)
• M7: 3,280,382 km (0.04 R)
• M8: 3,823,123 km (0.047 R)
• M9: 4,988,191 km (0.09 R)
• M10: 5,383,878 km (0.038 R)
• M11: 6,141,741 km (0.071 R)
• M12: 7,011,503 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 448.7

Radius: 14

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.33 AU - 1.95 AU

Year: 1450 Days

Day: 7.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,183,078 km

• M1: 174,282 km (0.085 R)
• M2: 775,515 km (0.118 R)
• M3: 1,289,833 km (0.108 R)
• M4: 2,404,487 km (0.084 R)
• M5: 2,936,307 km (0.045 R)
• M6: 4,189,339 km (0.111 R)
• M7: 4,629,905 km (0.118 R)
• M8: 5,399,885 km (0.055 R)
• M9: 6,526,955 km (0.085 R)
• M10: 6,976,048 km (0.048 R)
• M11: 7,496,499 km (0.062 R)
• M12: 8,257,952 km (0.106 R)
• M13: 9,601,191 km (0.111 R)
• M14: 11,085,501 km (0.025 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.6

Radius: 12.5

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.03 AU - 2.77 AU

Year: 2566 Days

Day: 6.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,183,078 km

• M1: 155,432 km (0.111 R)
• M2: 722,707 km (0.079 R)
• M3: 1,122,582 km (0.112 R)
• M4: 1,548,039 km (0.065 R)
• M5: 2,310,689 km (0.103 R)
• M6: 2,755,443 km (0.119 R)
• M7: 3,383,156 km (0.04 R)
• M8: 3,780,637 km (0.049 R)
• M9: 4,491,227 km (0.112 R)
• M10: 6,151,764 km (0.052 R)
• M11: 6,631,674 km (0.056 R)
• M12: 7,228,120 km (0.111 R)
• M13: 7,763,082 km (0.06 R)
• M14: 8,528,874 km (0.069 R)
• M15: 8,983,651 km (0.116 R)
• M16: 9,903,678 km (0.04 R)
• M17: 11,379,611 km (0.066 R)
• M18: 13,181,068 km (0.099 R)
• M19: 13,790,081 km (0.087 R)
• M20: 15,369,536 km (0.066 R)
• M21: 16,684,950 km (0.092 R)
• M22: 17,790,179 km (0.068 R)
• M23: 21,271,770 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.5

Radius: 13.6

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.26 AU - 2.74 AU

Year: 2728 Days

Day: 7.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,183,078 km

• M1: 171,439 km (0.069 R)
• M2: 657,034 km (0.097 R)
• M3: 1,418,038 km (0.11 R)
• M4: 2,162,886 km (0.089 R)
• M5: 2,633,671 km (0.06 R)
• M6: 3,206,182 km (0.031 R)
• M7: 4,821,091 km (0.086 R)
• M8: 5,934,398 km (0.088 R)
• M9: 6,926,082 km (0.072 R)
• M10: 8,119,424 km (0.083 R)
• M11: 9,341,340 km (0.098 R)
• M12: 12,524,633 km (0.096 R)
• M13: 15,186,428 km (0.116 R)
• M14: 16,573,350 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.3

Radius: 8.3

Gravity: 10.88 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.52 AU - 3.7 AU

Year: 3786 Days

Day: 11.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,183,078 km

• M1: 109,655 km (0.107 R)
• M2: 463,604 km (0.103 R)
• M3: 812,316 km (0.117 R)
• M4: 1,653,804 km (0.106 R)
• M5: 2,079,410 km (0.113 R)
• M6: 6,946,876 km (0.108 R)
• M7: 8,782,442 km (0.092 R)
• M8: 10,876,663 km (0.12 R)
• M9: 11,403,546 km (0.084 R)
• M10: 12,508,327 km (0.074 R)
• M11: 13,834,661 km (0.045 R)
• M12: 18,067,982 km (0.093 R)
• M13: 19,310,841 km (0.079 R)
• M14: 20,214,113 km (0.057 R)
• M15: 20,943,253 km (0.092 R)
• M16: 24,331,944 km (0.052 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597

Radius: 13.2

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.09 AU - 5.23 AU

Year: 6944 Days

Day: 8 Hours

Environment

Temp: -224 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,183,078 km

• M1: 164,109 km (0.102 R)
• M2: 1,026,840 km (0.112 R)
• M3: 1,495,680 km (0.106 R)
• M4: 2,503,221 km (0.072 R)
• M5: 2,946,480 km (0.103 R)
• M6: 3,688,336 km (0.061 R)
• M7: 4,420,467 km (0.066 R)
• M8: 5,484,707 km (0.075 R)
• M9: 7,318,926 km (0.045 R)
• M10: 8,764,191 km (0.055 R)
• M11: 11,600,866 km (0.11 R)
• M12: 13,009,330 km (0.046 R)
• M13: 18,946,570 km (0.073 R)
• M14: 19,439,645 km (0.103 R)
• M15: 20,524,977 km (0.095 R)
• M16: 21,120,078 km (0.114 R)
• M17: 22,034,420 km (0.11 R)
• M18: 22,816,368 km (0.081 R)
• M19: 24,852,245 km (0.06 R)
• M20: 25,358,335 km (0.097 R)
• M21: 28,357,473 km (0.046 R)
• M22: 30,515,722 km (0.118 R)
• M23: 30,999,072 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 77.4

Radius: 4.5

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 7.71 AU - 10.15 AU

Year: 18420 Days

Day: 20.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,183,078 km

• M1: 104,868 km (0.071 R)
• M2: 467,942 km (0.045 R)
• M3: 1,305,391 km (0.054 R)
• M4: 2,348,387 km (0.08 R)
• M5: 5,409,459 km (0.118 R)
• M6: 6,096,113 km (0.102 R)
• M7: 6,734,298 km (0.113 R)
• M8: 7,015,991 km (0.071 R)
• M9: 9,428,107 km (0.112 R)
• M10: 13,691,646 km (0.101 R)
• M11: 16,364,212 km (0.102 R)
• M12: 17,458,221 km (0.099 R)
• M13: 20,368,498 km (0.099 R)
• M14: 21,406,109 km (0.092 R)
• M15: 23,345,945 km (0.091 R)
• M16: 23,828,248 km (0.088 R)
• M17: 23,990,562 km (0.084 R)
• M18: 28,655,771 km (0.042 R)
• M19: 31,394,310 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509.1

Radius: 3.3

Gravity: 46.75 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 8.66 AU - 11.1 AU

Year: 21436 Days

Day: 20.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 72,183,078 km

• M1: 69,114 km (0.052 R)
• M2: 175,329 km (0.112 R)
• M3: 747,989 km (0.108 R)
• M4: 953,537 km (0.085 R)
• M5: 1,101,938 km (0.086 R)
• M6: 2,067,891 km (0.103 R)
• M7: 2,427,225 km (0.069 R)
• M8: 2,633,671 km (0.062 R)
• M9: 3,055,237 km (0.033 R)
• M10: 3,754,757 km (0.097 R)
• M11: 5,579,103 km (0.088 R)
• M12: 5,857,205 km (0.115 R)
• M13: 8,476,664 km (0.112 R)
• M14: 9,498,567 km (0.119 R)
• M15: 9,667,164 km (0.112 R)
• M16: 9,837,706 km (0.045 R)
• M17: 10,010,192 km (0.063 R)
• M18: 10,184,773 km (0.087 R)
• M19: 14,116,803 km (0.118 R)
• M20: 16,095,833 km (0.084 R)
• M21: 18,687,916 km (0.086 R)
• M22: 22,425,918 km (0.081 R)
• M23: 23,947,029 km (0.059 R)
• M24: 33,233,616 km (0.082 R)
• M25: 33,362,719 km (0.098 R)
• M26: 38,097,043 km (0.071 R)
• M27: 40,402,795 km (0.108 R)
• M28: 44,345,297 km (0.109 R)
• M29: 47,546,841 km (0.112 R)
• M30: 47,710,800 km (0.085 R)
• M31: 59,770,034 km (0.106 R)
• M32: 67,318,892 km (0.111 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: 521 - 19,867 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit