🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.7

Radius: 8.6

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.81 AU - 0.89 AU

Year: 498 Days

Day: 10.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,290,066 km

• M1: 106,962 km (0.073 R)
• M2: 380,278 km (0.09 R)
• M3: 895,194 km (0.115 R)
• M4: 1,801,308 km (0.078 R)
• M5: 2,168,421 km (0.097 R)
• M6: 2,440,540 km (0.06 R)
• M7: 3,387,494 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709

Radius: 10

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.99 AU - 1.17 AU

Year: 714 Days

Day: 12.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,290,066 km

• M1: 124,316 km (0.102 R)
• M2: 482,752 km (0.054 R)
• M3: 1,279,810 km (0.042 R)
• M4: 1,638,246 km (0.106 R)
• M5: 2,101,850 km (0.073 R)
• M6: 3,347,402 km (0.037 R)
• M7: 3,774,504 km (0.119 R)
• M8: 4,268,925 km (0.099 R)
• M9: 4,857,144 km (0.026 R)
• M10: 5,171,000 km (0.076 R)
• M11: 6,607,140 km (0.054 R)
• M12: 7,531,954 km (0.111 R)
• M13: 8,243,740 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.8

Radius: 12.8

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.2 AU - 1.46 AU

Year: 975 Days

Day: 6.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,290,066 km

• M1: 159,172 km (0.087 R)
• M2: 995,574 km (0.067 R)
• M3: 1,431,502 km (0.075 R)
• M4: 1,997,580 km (0.103 R)
• M5: 2,649,378 km (0.078 R)
• M6: 3,144,547 km (0.06 R)
• M7: 3,675,919 km (0.084 R)
• M8: 4,196,669 km (0.095 R)
• M9: 4,645,463 km (0.065 R)
• M10: 5,078,399 km (0.115 R)
• M11: 5,936,642 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.6

Radius: 8

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.24 AU - 4.52 AU

Year: 5828 Days

Day: 14.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,290,066 km

• M1: 195,076 km (0.109 R)
• M2: 518,057 km (0.11 R)
• M3: 3,172,223 km (0.113 R)
• M4: 3,882,364 km (0.099 R)
• M5: 5,033,520 km (0.095 R)
• M6: 6,062,603 km (0.082 R)
• M7: 8,044,476 km (0.061 R)
• M8: 9,356,748 km (0.117 R)
• M9: 10,903,590 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296

Radius: 12.4

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.81 AU - 4.91 AU

Year: 6812 Days

Day: 5.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,290,066 km

• M1: 182,958 km (0.073 R)
• M2: 834,756 km (0.083 R)
• M3: 3,317,782 km (0.101 R)
• M4: 5,884,582 km (0.055 R)
• M5: 7,197,602 km (0.117 R)
• M6: 9,480,466 km (0.099 R)
• M7: 11,878,221 km (0.111 R)
• M8: 13,293,416 km (0.038 R)
• M9: 13,910,807 km (0.068 R)
• M10: 24,685,893 km (0.079 R)
• M11: 26,738,076 km (0.111 R)
• M12: 27,639,553 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.6

Radius: 3.1

Gravity: 30.45 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.14 AU - 7.54 AU

Year: 10150 Days

Day: 16 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 70,290,066 km

• M1: 40,990 km (0.112 R)
• M2: 149,598 km (0.113 R)
• M3: 284,386 km (0.03 R)
• M4: 511,176 km (0.067 R)
• M5: 1,041,650 km (0.1 R)
• M6: 1,780,663 km (0.084 R)
• M7: 2,567,099 km (0.084 R)
• M8: 2,874,074 km (0.094 R)
• M9: 3,514,652 km (0.082 R)
• M10: 3,917,220 km (0.106 R)
• M11: 4,041,237 km (0.066 R)
• M12: 4,323,378 km (0.107 R)
• M13: 4,429,144 km (0.089 R)
• M14: 6,537,876 km (0.12 R)
• M15: 6,818,970 km (0.109 R)
• M16: 6,926,381 km (0.094 R)
• M17: 8,427,895 km (0.061 R)
• M18: 10,040,560 km (0.085 R)
• M19: 10,273,185 km (0.089 R)
• M20: 10,604,843 km (0.058 R)
• M21: 10,992,452 km (0.059 R)
• M22: 11,951,075 km (0.088 R)
• M23: 13,803,096 km (0.083 R)
• M24: 14,440,982 km (0.085 R)
• M25: 16,343,867 km (0.1 R)
• M26: 17,057,448 km (0.097 R)
• M27: 17,589,269 km (0.12 R)
• M28: 21,165,855 km (0.047 R)
• M29: 21,318,295 km (0.111 R)
• M30: 21,857,296 km (0.054 R)
• M31: 22,405,273 km (0.091 R)
• M32: 22,563,548 km (0.11 R)
• M33: 22,962,525 km (0.077 R)
• M34: 25,198,116 km (0.05 R)
• M35: 27,303,407 km (0.088 R)
• M36: 27,938,898 km (0.079 R)
• M37: 29,239,353 km (0.052 R)
• M38: 31,067,887 km (0.082 R)
• M39: 35,484,615 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.5

Radius: 6.3

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.57 AU - 8.59 AU

Year: 13269 Days

Day: 24.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,290,066 km

• M1: 78,389 km (0.089 R)
• M2: 986,748 km (0.116 R)
• M3: 1,480,570 km (0.11 R)
• M4: 2,362,749 km (0.09 R)
• M5: 2,807,354 km (0.027 R)
• M6: 3,328,253 km (0.114 R)
• M7: 3,646,897 km (0.1 R)
• M8: 4,615,394 km (0.047 R)
• M9: 5,809,185 km (0.089 R)
• M10: 7,886,650 km (0.085 R)
• M11: 8,705,100 km (0.071 R)
• M12: 9,852,067 km (0.084 R)
• M13: 10,366,235 km (0.094 R)
• M14: 11,397,563 km (0.036 R)
• M15: 14,067,137 km (0.103 R)
• M16: 15,577,626 km (0.091 R)
• M17: 18,214,438 km (0.088 R)
• M18: 18,846,190 km (0.091 R)
• M19: 22,146,768 km (0.053 R)
• M20: 33,375,584 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 838.7

Radius: 6.2

Gravity: 21.82 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.23 AU - 9.11 AU

Year: 13506 Days

Day: 24.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,290,066 km

• M1: 77,193 km (0.086 R)
• M2: 284,086 km (0.06 R)
• M3: 1,177,036 km (0.115 R)
• M4: 1,407,118 km (0.057 R)
• M5: 1,619,098 km (0.043 R)
• M6: 2,014,485 km (0.116 R)
• M7: 3,846,610 km (0.083 R)
• M8: 4,172,883 km (0.098 R)
• M9: 4,983,404 km (0.105 R)
• M10: 5,855,859 km (0.092 R)
• M11: 6,699,292 km (0.102 R)
• M12: 8,329,460 km (0.083 R)
• M13: 8,977,967 km (0.088 R)
• M14: 9,184,112 km (0.075 R)
• M15: 9,393,549 km (0.114 R)
• M16: 12,350,052 km (0.117 R)
• M17: 13,126,316 km (0.047 R)
• M18: 13,459,171 km (0.081 R)
• M19: 14,141,936 km (0.083 R)
• M20: 14,562,306 km (0.051 R)
• M21: 17,341,984 km (0.117 R)
• M22: 17,904,920 km (0.104 R)
• M23: 18,232,091 km (0.058 R)
• M24: 20,813,851 km (0.09 R)
• M25: 21,541,345 km (0.026 R)
• M26: 23,825,705 km (0.118 R)
• M27: 24,924,651 km (0.036 R)
• M28: 33,704,550 km (0.111 R)
• M29: 37,167,292 km (0.092 R)
• M30: 50,574,702 km (0.095 R)
• M31: 52,219,381 km (0.053 R)
• M32: 53,223,182 km (0.077 R)
• M33: 57,721,890 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 697.9

Radius: 5.1

Gravity: 26.83 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 7 AU - 9.14 AU

Year: 14576 Days

Day: 16.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 70,290,066 km

• M1: 63,878 km (0.107 R)
• M2: 222,751 km (0.086 R)
• M3: 537,056 km (0.064 R)
• M4: 996,771 km (0.094 R)
• M5: 1,323,792 km (0.04 R)
• M6: 1,786,498 km (0.085 R)
• M7: 2,036,625 km (0.101 R)
• M8: 3,939,211 km (0.117 R)
• M9: 7,667,639 km (0.071 R)
• M10: 8,425,950 km (0.114 R)
• M11: 10,481,874 km (0.117 R)
• M12: 13,509,885 km (0.092 R)
• M13: 13,916,641 km (0.071 R)
• M14: 20,857,534 km (0.067 R)
• M15: 21,860,587 km (0.092 R)
• M16: 26,721,321 km (0.052 R)
• M17: 28,342,065 km (0.106 R)
• M18: 28,673,873 km (0.069 R)
• M19: 30,952,547 km (0.12 R)
• M20: 36,254,745 km (0.062 R)
• M21: 37,303,725 km (0.099 R)
• M22: 40,852,486 km (0.111 R)
• M23: 44,025,756 km (0.12 R)
• M24: 47,359,395 km (0.067 R)
• M25: 49,246,871 km (0.06 R)
• M26: 50,857,442 km (0.104 R)
• M27: 52,171,061 km (0.098 R)
• M28: 57,475,053 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 711.4

Radius: 3.5

Gravity: 58.07 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8.5 AU - 9.68 AU

Year: 17425 Days

Day: 22.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,290,066 km

• M1: 76,893 km (0.048 R)
• M2: 190,887 km (0.102 R)
• M3: 887,115 km (0.11 R)
• M4: 1,756,728 km (0.104 R)
• M5: 2,156,603 km (0.065 R)
• M6: 6,402,190 km (0.103 R)
• M7: 11,987,577 km (0.114 R)
• M8: 16,066,662 km (0.117 R)
• M9: 18,286,096 km (0.117 R)
• M10: 19,603,305 km (0.091 R)
• M11: 22,920,039 km (0.098 R)
• M12: 25,936,531 km (0.099 R)
• M13: 27,035,028 km (0.079 R)
• M14: 29,207,189 km (0.053 R)
• M15: 31,124,136 km (0.116 R)
• M16: 31,369,477 km (0.107 R)
• M17: 37,931,288 km (0.117 R)
• M18: 39,919,893 km (0.079 R)
• M19: 42,577,499 km (0.061 R)
• M20: 45,824,221 km (0.081 R)
• M21: 58,017,495 km (0.109 R)
• M22: 65,352,727 km (0.074 R)
• M23: 65,956,804 km (0.077 R)
• M24: 69,241,674 km (0.071 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 17,184 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit