🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312

Radius: 14.7

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.66 AU - 1.08 AU

Year: 516 Days

Day: 12.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 92,053,734 km

• M1: 186,100 km (0.051 R)
• M2: 662,569 km (0.067 R)
• M3: 1,189,901 km (0.109 R)
• M4: 1,665,174 km (0.04 R)
• M5: 2,450,413 km (0.032 R)
• M6: 3,083,063 km (0.07 R)
• M7: 4,020,592 km (0.071 R)
• M8: 4,584,277 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.2

Radius: 11.9

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 0.77 AU - 0.99 AU

Year: 525 Days

Day: 13.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 92,053,734 km

• M1: 147,952 km (0.082 R)
• M2: 543,639 km (0.078 R)
• M3: 963,560 km (0.053 R)
• M4: 1,391,559 km (0.084 R)
• M5: 2,008,052 km (0.076 R)
• M6: 2,724,476 km (0.11 R)
• M7: 3,591,695 km (0.085 R)
• M8: 4,040,339 km (0.097 R)
• M9: 4,587,867 km (0.116 R)
• M10: 5,528,090 km (0.118 R)
• M11: 6,185,423 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.8

Radius: 14.3

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.9 AU - 0.98 AU

Year: 579 Days

Day: 10.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 92,053,734 km

• M1: 177,872 km (0.118 R)
• M2: 814,261 km (0.045 R)
• M3: 1,332,618 km (0.103 R)
• M4: 2,031,838 km (0.045 R)
• M5: 2,670,023 km (0.047 R)
• M6: 3,143,799 km (0.103 R)
• M7: 3,634,480 km (0.097 R)
• M8: 4,934,037 km (0.119 R)
• M9: 5,708,954 km (0.044 R)
• M10: 6,289,094 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.8

Radius: 11.2

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.18 AU - 2.74 AU

Year: 2453 Days

Day: 14.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 132.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 92,053,734 km

• M1: 139,276 km (0.061 R)
• M2: 487,988 km (0.079 R)
• M3: 1,173,745 km (0.028 R)
• M4: 1,602,941 km (0.099 R)
• M5: 2,241,574 km (0.079 R)
• M6: 2,977,746 km (0.075 R)
• M7: 3,492,661 km (0.111 R)
• M8: 3,986,334 km (0.104 R)
• M9: 4,440,214 km (0.089 R)
• M10: 5,044,141 km (0.067 R)
• M11: 5,702,222 km (0.083 R)
• M12: 6,065,446 km (0.112 R)
• M13: 7,400,008 km (0.092 R)
• M14: 9,094,503 km (0.061 R)
• M15: 10,680,091 km (0.093 R)
• M16: 12,572,504 km (0.075 R)
• M17: 14,344,042 km (0.071 R)
• M18: 15,463,633 km (0.101 R)
• M19: 15,968,226 km (0.119 R)
• M20: 16,483,890 km (0.058 R)
• M21: 17,385,816 km (0.031 R)
• M22: 17,931,549 km (0.12 R)
• M23: 19,114,718 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.7

Radius: 14.2

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.11 AU - 4.31 AU

Year: 4544 Days

Day: 11 Hours

Environment

Temp: -214 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 92,053,734 km

• M1: 180,415 km (0.069 R)
• M2: 652,995 km (0.087 R)
• M3: 1,174,642 km (0.11 R)
• M4: 2,161,988 km (0.092 R)
• M5: 2,709,965 km (0.11 R)
• M6: 3,207,678 km (0.086 R)
• M7: 3,946,691 km (0.103 R)
• M8: 4,613,000 km (0.091 R)
• M9: 6,035,077 km (0.073 R)
• M10: 6,744,171 km (0.081 R)
• M11: 7,540,032 km (0.114 R)
• M12: 9,393,101 km (0.07 R)
• M13: 9,881,388 km (0.075 R)
• M14: 10,465,867 km (0.072 R)
• M15: 10,909,126 km (0.071 R)
• M16: 11,364,801 km (0.093 R)
• M17: 12,226,185 km (0.106 R)
• M18: 13,646,916 km (0.11 R)
• M19: 14,323,547 km (0.101 R)
• M20: 14,971,755 km (0.112 R)
• M21: 17,536,461 km (0.064 R)
• M22: 20,133,480 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 594.3

Radius: 3.5

Gravity: 48.51 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 5.61 AU - 7.89 AU

Year: 11150 Days

Day: 18.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 92,053,734 km

• M1: 65,075 km (0.032 R)
• M2: 344,524 km (0.03 R)
• M3: 595,549 km (0.105 R)
• M4: 722,558 km (0.092 R)
• M5: 1,133,353 km (0.063 R)
• M6: 1,464,713 km (0.109 R)
• M7: 1,776,624 km (0.102 R)
• M8: 2,335,073 km (0.118 R)
• M9: 3,894,332 km (0.109 R)
• M10: 4,855,348 km (0.105 R)
• M11: 5,612,164 km (0.048 R)
• M12: 6,368,980 km (0.116 R)
• M13: 7,950,528 km (0.095 R)
• M14: 8,439,863 km (0.119 R)
• M15: 12,559,938 km (0.101 R)
• M16: 14,881,697 km (0.073 R)
• M17: 23,802,218 km (0.113 R)
• M18: 24,351,093 km (0.069 R)
• M19: 25,002,143 km (0.067 R)
• M20: 25,760,454 km (0.091 R)
• M21: 27,722,729 km (0.077 R)
• M22: 32,163,243 km (0.066 R)
• M23: 40,707,525 km (0.102 R)
• M24: 41,360,520 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163

Radius: 5.7

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.87 AU - 9.89 AU

Year: 15424 Days

Day: 16.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 92,053,734 km

• M1: 71,807 km (0.09 R)
• M2: 368,908 km (0.106 R)
• M3: 719,566 km (0.102 R)
• M4: 1,107,772 km (0.106 R)
• M5: 1,558,959 km (0.118 R)
• M6: 1,811,929 km (0.112 R)
• M7: 2,259,975 km (0.11 R)
• M8: 2,899,955 km (0.041 R)
• M9: 3,351,441 km (0.053 R)
• M10: 3,582,420 km (0.116 R)
• M11: 4,900,677 km (0.099 R)
• M12: 5,864,087 km (0.098 R)
• M13: 6,098,058 km (0.116 R)
• M14: 7,362,459 km (0.118 R)
• M15: 8,282,935 km (0.098 R)
• M16: 10,349,929 km (0.106 R)
• M17: 13,073,657 km (0.049 R)
• M18: 14,237,379 km (0.094 R)
• M19: 22,458,380 km (0.104 R)
• M20: 23,447,073 km (0.082 R)
• M21: 26,587,132 km (0.049 R)
• M22: 32,736,951 km (0.068 R)
• M23: 34,113,999 km (0.066 R)
• M24: 35,419,091 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983.5

Radius: 4.8

Gravity: 42.69 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 9.31 AU - 10.11 AU

Year: 19238 Days

Day: 21.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 92,053,734 km

• M1: 59,690 km (0.087 R)
• M2: 219,011 km (0.077 R)
• M3: 428,448 km (0.084 R)
• M4: 580,440 km (0.083 R)
• M5: 986,598 km (0.062 R)
• M6: 1,760,318 km (0.053 R)
• M7: 2,850,288 km (0.066 R)
• M8: 3,432,673 km (0.075 R)
• M9: 3,767,622 km (0.096 R)
• M10: 4,467,441 km (0.112 R)
• M11: 5,369,068 km (0.105 R)
• M12: 7,179,800 km (0.075 R)
• M13: 7,575,187 km (0.054 R)
• M14: 8,793,213 km (0.042 R)
• M15: 9,477,923 km (0.071 R)
• M16: 9,953,644 km (0.113 R)
• M17: 14,659,993 km (0.046 R)
• M18: 15,135,116 km (0.078 R)
• M19: 16,199,953 km (0.08 R)
• M20: 20,564,172 km (0.11 R)
• M21: 21,970,841 km (0.05 R)
• M22: 28,852,193 km (0.082 R)
• M23: 29,099,329 km (0.035 R)
• M24: 30,998,175 km (0.077 R)
• M25: 31,911,919 km (0.089 R)
• M26: 36,318,473 km (0.075 R)
• M27: 37,922,163 km (0.1 R)
• M28: 38,218,815 km (0.104 R)
• M29: 39,724,967 km (0.03 R)
• M30: 44,644,642 km (0.098 R)
• M31: 49,955,367 km (0.063 R)
• M32: 58,587,912 km (0.031 R)
• M33: 60,789,992 km (0.093 R)
• M34: 68,601,245 km (0.109 R)
• M35: 83,393,782 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834

Radius: 4.7

Gravity: 37.75 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 8.74 AU - 13.84 AU

Year: 24120 Days

Day: 17.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 92,053,734 km

• M1: 62,382 km (0.116 R)
• M2: 255,962 km (0.12 R)
• M3: 435,330 km (0.116 R)
• M4: 1,078,601 km (0.039 R)
• M5: 1,930,261 km (0.052 R)
• M6: 2,325,349 km (0.096 R)
• M7: 2,746,318 km (0.077 R)
• M8: 4,605,819 km (0.087 R)
• M9: 5,267,491 km (0.116 R)
• M10: 14,224,813 km (0.091 R)
• M11: 19,632,925 km (0.088 R)
• M12: 20,531,560 km (0.073 R)
• M13: 21,042,436 km (0.103 R)
• M14: 22,626,229 km (0.045 R)
• M15: 23,171,364 km (0.066 R)
• M16: 25,792,019 km (0.11 R)
• M17: 28,100,614 km (0.091 R)
• M18: 28,477,301 km (0.104 R)
• M19: 35,261,116 km (0.085 R)
• M20: 38,405,065 km (0.098 R)
• M21: 39,180,281 km (0.063 R)
• M22: 44,220,682 km (0.094 R)
• M23: 50,043,031 km (0.053 R)
• M24: 51,715,236 km (0.094 R)
• M25: 53,041,271 km (0.09 R)
• M26: 57,557,930 km (0.058 R)
• M27: 58,165,298 km (0.089 R)
• M28: 68,473,339 km (0.086 R)
• M29: 76,468,298 km (0.048 R)
• M30: 80,689,352 km (0.117 R)
• M31: 85,587,784 km (0.089 R)
• M32: 87,441,302 km (0.118 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: 397 - 18,485 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit