🌌 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: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.3

Radius: 14.1

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.6 AU - 0.66 AU

Year: 333 Days

Day: 13.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,815,849 km

• M1: 175,478 km (0.026 R)
• M2: 846,275 km (0.115 R)
• M3: 1,507,199 km (0.084 R)
• M4: 2,155,406 km (0.106 R)
• M5: 3,150,382 km (0.081 R)
• M6: 4,788,628 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.5

Radius: 14.5

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.05 AU - 1.27 AU

Year: 833 Days

Day: 8.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,815,849 km

• M1: 188,194 km (0.091 R)
• M2: 897,438 km (0.095 R)
• M3: 1,616,106 km (0.11 R)
• M4: 2,741,830 km (0.119 R)
• M5: 3,741,892 km (0.081 R)
• M6: 4,678,524 km (0.12 R)
• M7: 5,584,937 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.2

Radius: 9.1

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.27 AU - 1.63 AU

Year: 1164 Days

Day: 8.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,815,849 km

• M1: 113,246 km (0.101 R)
• M2: 400,473 km (0.115 R)
• M3: 704,606 km (0.087 R)
• M4: 1,178,233 km (0.047 R)
• M5: 1,569,282 km (0.107 R)
• M6: 2,141,494 km (0.075 R)
• M7: 2,692,163 km (0.08 R)
• M8: 3,974,516 km (0.082 R)
• M9: 4,731,930 km (0.114 R)
• M10: 5,315,063 km (0.112 R)
• M11: 5,624,282 km (0.073 R)
• M12: 6,790,397 km (0.077 R)
• M13: 7,791,805 km (0.104 R)
• M14: 9,563,941 km (0.075 R)
• M15: 10,178,789 km (0.118 R)
• M16: 10,560,114 km (0.041 R)

Asteroid Belt

Center: 1.72 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.9

Radius: 10.4

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.62 AU - 2.34 AU

Year: 1858 Days

Day: 8.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,815,849 km

• M1: 129,552 km (0.08 R)
• M2: 548,426 km (0.075 R)
• M3: 1,148,912 km (0.093 R)
• M4: 1,602,193 km (0.095 R)
• M5: 2,313,681 km (0.102 R)
• M6: 3,799,936 km (0.08 R)
• M7: 4,764,243 km (0.074 R)
• M8: 6,206,068 km (0.117 R)
• M9: 6,885,691 km (0.104 R)
• M10: 8,049,413 km (0.099 R)
• M11: 10,479,480 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.1

Radius: 9

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.02 AU - 2.66 AU

Year: 2387 Days

Day: 8.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,815,849 km

• M1: 113,395 km (0.092 R)
• M2: 398,678 km (0.077 R)
• M3: 729,738 km (0.071 R)
• M4: 1,052,720 km (0.103 R)
• M5: 1,414,149 km (0.096 R)
• M6: 1,722,320 km (0.091 R)
• M7: 2,364,993 km (0.077 R)
• M8: 2,803,614 km (0.1 R)
• M9: 3,636,874 km (0.07 R)
• M10: 4,736,568 km (0.117 R)
• M11: 5,534,373 km (0.079 R)
• M12: 5,862,142 km (0.108 R)
• M13: 6,866,841 km (0.06 R)
• M14: 8,336,042 km (0.115 R)
• M15: 8,733,823 km (0.114 R)
• M16: 9,747,947 km (0.101 R)
• M17: 10,078,109 km (0.118 R)
• M18: 13,215,925 km (0.083 R)
• M19: 13,757,469 km (0.055 R)
• M20: 15,127,337 km (0.095 R)
• M21: 15,620,112 km (0.063 R)
• M22: 17,645,069 km (0.06 R)
• M23: 18,136,049 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.4

Radius: 12.4

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.42 AU - 3.84 AU

Year: 4612 Days

Day: 13.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,815,849 km

• M1: 154,684 km (0.119 R)
• M2: 695,929 km (0.11 R)
• M3: 1,124,078 km (0.11 R)
• M4: 2,007,304 km (0.05 R)
• M5: 2,482,277 km (0.094 R)
• M6: 2,932,118 km (0.08 R)
• M7: 3,327,655 km (0.095 R)
• M8: 3,917,669 km (0.115 R)
• M9: 4,443,506 km (0.084 R)
• M10: 7,434,117 km (0.1 R)
• M11: 8,378,378 km (0.08 R)
• M12: 10,465,418 km (0.086 R)
• M13: 13,902,280 km (0.045 R)
• M14: 14,532,236 km (0.048 R)
• M15: 17,244,296 km (0.081 R)
• M16: 18,199,778 km (0.109 R)
• M17: 18,603,393 km (0.092 R)
• M18: 20,216,357 km (0.053 R)
• M19: 21,342,231 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.9

Radius: 11.3

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.62 AU - 4 AU

Year: 4959 Days

Day: 6.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 52,815,849 km

• M1: 145,858 km (0.084 R)
• M2: 1,006,943 km (0.044 R)
• M3: 1,414,298 km (0.049 R)
• M4: 2,740,334 km (0.071 R)
• M5: 3,203,489 km (0.093 R)
• M6: 3,760,292 km (0.103 R)
• M7: 4,219,558 km (0.116 R)
• M8: 4,740,607 km (0.101 R)
• M9: 5,520,311 km (0.083 R)
• M10: 6,056,919 km (0.114 R)
• M11: 7,400,756 km (0.09 R)
• M12: 7,878,572 km (0.104 R)
• M13: 8,232,371 km (0.118 R)
• M14: 10,163,979 km (0.097 R)
• M15: 10,798,124 km (0.049 R)
• M16: 12,052,502 km (0.12 R)
• M17: 12,666,901 km (0.071 R)
• M18: 13,401,725 km (0.111 R)
• M19: 14,164,674 km (0.103 R)
• M20: 15,335,727 km (0.116 R)
• M21: 16,113,785 km (0.112 R)
• M22: 16,685,548 km (0.105 R)
• M23: 17,508,785 km (0.097 R)
• M24: 18,113,161 km (0.109 R)
• M25: 18,856,812 km (0.104 R)
• M26: 19,749,911 km (0.081 R)
• M27: 20,604,264 km (0.055 R)
• M28: 22,176,089 km (0.103 R)
• M29: 25,250,026 km (0.077 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.1

Radius: 11.2

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 4.19 AU - 6.61 AU

Year: 8368 Days

Day: 11.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,815,849 km

• M1: 139,276 km (0.055 R)
• M2: 535,560 km (0.074 R)
• M3: 1,534,276 km (0.118 R)
• M4: 2,534,936 km (0.074 R)
• M5: 3,354,882 km (0.075 R)
• M6: 4,905,763 km (0.119 R)
• M7: 5,265,995 km (0.043 R)
• M8: 5,906,124 km (0.086 R)
• M9: 8,350,404 km (0.039 R)
• M10: 10,152,459 km (0.094 R)
• M11: 10,790,345 km (0.093 R)
• M12: 12,641,170 km (0.103 R)
• M13: 13,848,424 km (0.055 R)
• M14: 14,510,694 km (0.092 R)
• M15: 17,235,171 km (0.093 R)
• M16: 20,591,997 km (0.096 R)
• M17: 23,085,644 km (0.089 R)
• M18: 24,275,246 km (0.071 R)
• M19: 35,082,047 km (0.071 R)
• M20: 39,814,576 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.3

Radius: 5.7

Gravity: 18.35 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.82 AU - 7.14 AU

Year: 9752 Days

Day: 24.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 52,815,849 km

• M1: 70,909 km (0.077 R)
• M2: 463,753 km (0.106 R)
• M3: 676,631 km (0.099 R)
• M4: 1,122,134 km (0.098 R)
• M5: 2,736,444 km (0.036 R)
• M6: 3,012,004 km (0.099 R)
• M7: 3,190,623 km (0.094 R)
• M8: 3,593,939 km (0.111 R)
• M9: 4,193,079 km (0.105 R)
• M10: 4,388,005 km (0.066 R)
• M11: 4,886,764 km (0.113 R)
• M12: 5,721,670 km (0.074 R)
• M13: 5,927,068 km (0.072 R)
• M14: 6,208,760 km (0.042 R)
• M15: 7,265,221 km (0.118 R)
• M16: 7,506,372 km (0.114 R)
• M17: 8,748,035 km (0.109 R)
• M18: 11,740,441 km (0.088 R)
• M19: 13,226,097 km (0.083 R)
• M20: 14,200,279 km (0.056 R)
• M21: 15,090,984 km (0.049 R)
• M22: 15,418,005 km (0.117 R)
• M23: 16,018,491 km (0.082 R)
• M24: 17,337,196 km (0.106 R)
• M25: 19,180,392 km (0.105 R)
• M26: 19,718,944 km (0.057 R)
• M27: 21,808,078 km (0.119 R)
• M28: 23,164,482 km (0.102 R)
• M29: 23,863,404 km (0.106 R)
• M30: 25,394,987 km (0.108 R)
• M31: 28,652,779 km (0.074 R)
• M32: 30,381,383 km (0.091 R)
• M33: 31,113,066 km (0.091 R)
• M34: 33,378,277 km (0.049 R)
• M35: 34,157,083 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.5

Radius: 6.1

Gravity: 19.98 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 6.06 AU - 6.98 AU

Year: 11102 Days

Day: 16.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 52,815,849 km

• M1: 78,389 km (0.069 R)
• M2: 393,742 km (0.093 R)
• M3: 637,437 km (0.067 R)
• M4: 1,348,924 km (0.048 R)
• M5: 1,631,814 km (0.065 R)
• M6: 2,455,350 km (0.055 R)
• M7: 3,132,729 km (0.078 R)
• M8: 3,605,458 km (0.095 R)
• M9: 3,900,166 km (0.114 R)
• M10: 4,786,384 km (0.075 R)
• M11: 6,589,637 km (0.061 R)
• M12: 6,787,704 km (0.081 R)
• M13: 8,197,365 km (0.079 R)
• M14: 9,537,762 km (0.118 R)
• M15: 10,049,985 km (0.113 R)
• M16: 11,812,846 km (0.092 R)
• M17: 12,046,817 km (0.085 R)
• M18: 12,283,930 km (0.065 R)
• M19: 12,584,622 km (0.091 R)
• M20: 19,434,708 km (0.078 R)
• M21: 20,508,372 km (0.107 R)
• M22: 26,276,716 km (0.064 R)
• M23: 26,575,613 km (0.112 R)
• M24: 30,890,614 km (0.044 R)
• M25: 32,808,907 km (0.04 R)
• M26: 33,039,737 km (0.113 R)
• M27: 33,621,373 km (0.063 R)
• M28: 34,328,523 km (0.064 R)
• M29: 36,262,225 km (0.051 R)
• M30: 37,255,854 km (0.12 R)
• M31: 38,267,584 km (0.11 R)
• M32: 42,634,645 km (0.113 R)
• M33: 43,601,795 km (0.082 R)
• M34: 45,008,763 km (0.104 R)
• M35: 46,445,801 km (0.064 R)
• M36: 50,324,574 km (0.076 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 463 - 11,970 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit