🌌 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: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.4

Radius: 13.2

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.45 AU - 0.65 AU

Year: 282 Days

Day: 14.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 44,662,227 km

• M1: 164,258 km (0.113 R)
• M2: 575,353 km (0.08 R)
• M3: 989,440 km (0.096 R)
• M4: 1,447,659 km (0.07 R)
• M5: 2,325,200 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.6

Radius: 14.3

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.14 AU - 1.46 AU

Year: 1023 Days

Day: 10.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 107.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,662,227 km

• M1: 178,171 km (0.086 R)
• M2: 670,049 km (0.071 R)
• M3: 1,221,167 km (0.099 R)
• M4: 1,733,989 km (0.102 R)
• M5: 2,675,408 km (0.084 R)
• M6: 3,576,885 km (0.067 R)
• M7: 4,353,597 km (0.103 R)
• M8: 4,913,243 km (0.117 R)
• M9: 6,200,383 km (0.104 R)
• M10: 6,863,850 km (0.055 R)
• M11: 8,497,009 km (0.095 R)
• M12: 8,942,961 km (0.09 R)
• M13: 10,282,460 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 821.8

Radius: 9.3

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.82 AU - 2.42 AU

Year: 2131 Days

Day: 7.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,662,227 km

• M1: 115,639 km (0.088 R)
• M2: 483,052 km (0.109 R)
• M3: 1,000,810 km (0.117 R)
• M4: 1,443,619 km (0.098 R)
• M5: 1,805,048 km (0.068 R)
• M6: 2,385,936 km (0.038 R)
• M7: 3,235,503 km (0.065 R)
• M8: 3,976,311 km (0.117 R)
• M9: 4,826,177 km (0.119 R)
• M10: 6,098,058 km (0.056 R)
• M11: 6,659,499 km (0.094 R)
• M12: 6,967,072 km (0.059 R)
• M13: 7,731,966 km (0.056 R)
• M14: 10,142,736 km (0.1 R)
• M15: 10,663,935 km (0.081 R)
• M16: 11,963,043 km (0.1 R)
• M17: 12,629,501 km (0.059 R)
• M18: 13,630,760 km (0.076 R)
• M19: 15,302,815 km (0.072 R)
• M20: 17,055,504 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.2

Radius: 14.7

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.41 AU - 2.63 AU

Year: 2761 Days

Day: 7.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,662,227 km

• M1: 182,809 km (0.11 R)
• M2: 708,496 km (0.083 R)
• M3: 1,282,203 km (0.104 R)
• M4: 2,398,503 km (0.116 R)
• M5: 2,862,854 km (0.09 R)
• M6: 4,908,456 km (0.095 R)
• M7: 5,961,625 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.3

Radius: 8.7

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.55 AU - 3.79 AU

Year: 3896 Days

Day: 7.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,662,227 km

• M1: 108,309 km (0.109 R)
• M2: 589,565 km (0.088 R)
• M3: 882,478 km (0.092 R)
• M4: 1,162,076 km (0.074 R)
• M5: 1,882,689 km (0.088 R)
• M6: 2,448,319 km (0.101 R)
• M7: 2,978,942 km (0.098 R)
• M8: 3,386,597 km (0.105 R)
• M9: 3,810,258 km (0.057 R)
• M10: 5,591,370 km (0.107 R)
• M11: 6,361,350 km (0.115 R)
• M12: 6,787,555 km (0.117 R)
• M13: 7,562,472 km (0.069 R)
• M14: 8,323,476 km (0.045 R)
• M15: 8,833,754 km (0.059 R)
• M16: 9,364,827 km (0.092 R)
• M17: 11,129,483 km (0.055 R)
• M18: 14,563,054 km (0.055 R)
• M19: 15,412,021 km (0.108 R)
• M20: 16,181,702 km (0.12 R)
• M21: 17,092,305 km (0.114 R)
• M22: 18,097,004 km (0.073 R)
• M23: 24,007,466 km (0.051 R)
• M24: 24,594,638 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.1

Radius: 12

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.93 AU - 3.61 AU

Year: 4082 Days

Day: 6.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,662,227 km

• M1: 149,299 km (0.1 R)
• M2: 713,582 km (0.086 R)
• M3: 1,523,206 km (0.069 R)
• M4: 2,296,327 km (0.108 R)
• M5: 2,705,777 km (0.093 R)
• M6: 3,296,389 km (0.12 R)
• M7: 3,842,272 km (0.086 R)
• M8: 6,052,431 km (0.055 R)
• M9: 7,395,670 km (0.09 R)
• M10: 8,226,985 km (0.1 R)
• M11: 9,274,619 km (0.051 R)
• M12: 10,451,057 km (0.114 R)
• M13: 10,966,122 km (0.037 R)
• M14: 12,140,166 km (0.082 R)
• M15: 13,346,524 km (0.099 R)
• M16: 14,056,066 km (0.077 R)
• M17: 14,951,260 km (0.118 R)
• M18: 20,735,312 km (0.029 R)
• M19: 21,481,057 km (0.108 R)
• M20: 24,493,510 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.9

Radius: 13.2

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.46 AU - 4.8 AU

Year: 5793 Days

Day: 9.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,662,227 km

• M1: 164,258 km (0.059 R)
• M2: 773,271 km (0.037 R)
• M3: 1,319,752 km (0.094 R)
• M4: 1,762,113 km (0.093 R)
• M5: 2,634,867 km (0.111 R)
• M6: 3,310,601 km (0.079 R)
• M7: 3,756,403 km (0.099 R)
• M8: 4,315,300 km (0.115 R)
• M9: 6,144,433 km (0.115 R)
• M10: 7,197,602 km (0.071 R)
• M11: 7,804,222 km (0.049 R)
• M12: 8,679,070 km (0.049 R)
• M13: 9,201,915 km (0.077 R)
• M14: 10,222,471 km (0.093 R)
• M15: 11,082,958 km (0.051 R)
• M16: 12,287,969 km (0.084 R)
• M17: 14,900,696 km (0.071 R)
• M18: 19,045,155 km (0.038 R)
• M19: 27,334,822 km (0.082 R)
• M20: 29,079,732 km (0.104 R)
• M21: 30,344,582 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.1

Radius: 5

Gravity: 12.56 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.59 AU - 7.39 AU

Year: 10119 Days

Day: 15.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,662,227 km

• M1: 62,233 km (0.045 R)
• M2: 261,497 km (0.108 R)
• M3: 609,163 km (0.026 R)
• M4: 844,181 km (0.101 R)
• M5: 1,117,496 km (0.106 R)
• M6: 1,684,322 km (0.118 R)
• M7: 1,900,641 km (0.106 R)
• M8: 2,087,040 km (0.073 R)
• M9: 2,837,572 km (0.036 R)
• M10: 3,682,501 km (0.093 R)
• M11: 4,384,564 km (0.1 R)
• M12: 4,711,435 km (0.109 R)
• M13: 10,803,809 km (0.097 R)
• M14: 11,099,115 km (0.075 R)
• M15: 12,929,295 km (0.097 R)
• M16: 13,486,996 km (0.064 R)
• M17: 19,537,033 km (0.094 R)
• M18: 23,065,299 km (0.118 R)
• M19: 23,554,783 km (0.054 R)
• M20: 23,719,341 km (0.108 R)
• M21: 26,726,856 km (0.084 R)
• M22: 28,182,743 km (0.062 R)
• M23: 28,929,984 km (0.066 R)
• M24: 31,152,261 km (0.107 R)
• M25: 33,589,509 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 460.8

Radius: 6.1

Gravity: 12.38 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 8.8 AU - 8.96 AU

Year: 18265 Days

Day: 16.6 Hours

Environment

Temp: -244 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 44,662,227 km

• M1: 75,996 km (0.081 R)
• M2: 466,297 km (0.119 R)
• M3: 2,072,529 km (0.051 R)
• M4: 2,307,996 km (0.102 R)
• M5: 3,074,087 km (0.119 R)
• M6: 3,328,702 km (0.097 R)
• M7: 4,491,377 km (0.059 R)
• M8: 5,378,941 km (0.09 R)
• M9: 5,749,645 km (0.093 R)
• M10: 7,958,158 km (0.1 R)
• M11: 8,196,467 km (0.093 R)
• M12: 8,587,666 km (0.09 R)
• M13: 9,042,742 km (0.092 R)
• M14: 9,460,569 km (0.097 R)
• M15: 11,202,038 km (0.094 R)
• M16: 12,624,714 km (0.113 R)
• M17: 14,303,202 km (0.051 R)
• M18: 14,655,954 km (0.107 R)
• M19: 15,014,540 km (0.119 R)
• M20: 15,305,508 km (0.057 R)
• M21: 16,353,740 km (0.074 R)
• M22: 18,014,576 km (0.1 R)
• M23: 19,353,177 km (0.095 R)
• M24: 24,359,769 km (0.091 R)
• M25: 26,413,748 km (0.097 R)
• M26: 29,935,880 km (0.12 R)
• M27: 30,629,266 km (0.095 R)
• M28: 31,689,616 km (0.062 R)
• M29: 31,928,374 km (0.087 R)
• M30: 36,175,757 km (0.074 R)
• M31: 38,298,700 km (0.047 R)
• M32: 41,779,993 km (0.11 R)
• M33: 43,670,910 km (0.094 R)
• M34: 44,264,065 km (0.096 R)
• M35: 48,093,322 km (0.033 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119.5

Radius: 5.4

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 7.57 AU - 12.25 AU

Year: 21534 Days

Day: 16.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,662,227 km

• M1: 67,169 km (0.107 R)
• M2: 1,056,610 km (0.074 R)
• M3: 1,655,300 km (0.12 R)
• M4: 1,835,416 km (0.114 R)
• M5: 2,494,844 km (0.11 R)
• M6: 3,763,284 km (0.1 R)
• M7: 3,970,477 km (0.094 R)
• M8: 4,638,282 km (0.11 R)
• M9: 5,541,853 km (0.088 R)
• M10: 6,301,511 km (0.096 R)
• M11: 6,557,174 km (0.1 R)
• M12: 9,087,023 km (0.11 R)
• M13: 9,844,886 km (0.106 R)
• M14: 11,431,820 km (0.12 R)
• M15: 12,033,653 km (0.076 R)
• M16: 14,151,211 km (0.053 R)
• M17: 16,231,369 km (0.115 R)
• M18: 16,642,913 km (0.116 R)
• M19: 17,415,436 km (0.105 R)
• M20: 17,702,066 km (0.088 R)
• M21: 17,919,282 km (0.045 R)
• M22: 18,211,446 km (0.105 R)
• M23: 18,581,252 km (0.096 R)
• M24: 24,926,296 km (0.088 R)
• M25: 38,181,266 km (0.073 R)
• M26: 43,075,959 km (0.091 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 10,785 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit