🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.9

Radius: 14.3

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.52 AU - 0.68 AU

Year: 321 Days

Day: 10.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,133,240 km

• M1: 177,872 km (0.106 R)
• M2: 669,600 km (0.029 R)
• M3: 1,268,590 km (0.1 R)
• M4: 1,738,477 km (0.045 R)
• M5: 2,503,969 km (0.076 R)
• M6: 3,047,309 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.8

Radius: 13.4

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.57 AU - 0.75 AU

Year: 370 Days

Day: 8.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 42,133,240 km

• M1: 166,652 km (0.086 R)
• M2: 712,834 km (0.104 R)
• M3: 1,219,073 km (0.102 R)
• M4: 2,097,512 km (0.108 R)
• M5: 2,777,584 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.5

Radius: 12.7

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.11 AU - 1.57 AU

Year: 1071 Days

Day: 11.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,133,240 km

• M1: 158,275 km (0.081 R)
• M2: 639,381 km (0.053 R)
• M3: 1,228,199 km (0.1 R)
• M4: 1,640,640 km (0.07 R)
• M5: 2,048,593 km (0.079 R)
• M6: 2,465,223 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.6

Radius: 8.1

Gravity: 12.22 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.56 AU - 2.46 AU

Year: 1967 Days

Day: 6 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,133,240 km

• M1: 101,577 km (0.034 R)
• M2: 395,836 km (0.114 R)
• M3: 705,504 km (0.103 R)
• M4: 975,079 km (0.027 R)
• M5: 1,323,343 km (0.098 R)
• M6: 1,690,007 km (0.118 R)
• M7: 2,098,858 km (0.042 R)
• M8: 2,530,298 km (0.097 R)
• M9: 2,880,357 km (0.061 R)
• M10: 4,128,752 km (0.043 R)
• M11: 4,961,264 km (0.098 R)
• M12: 7,409,882 km (0.118 R)
• M13: 8,284,880 km (0.104 R)
• M14: 8,828,818 km (0.092 R)
• M15: 9,159,878 km (0.086 R)
• M16: 10,202,874 km (0.105 R)
• M17: 11,556,436 km (0.104 R)
• M18: 11,992,962 km (0.083 R)
• M19: 12,399,270 km (0.053 R)
• M20: 12,772,816 km (0.1 R)
• M21: 13,239,412 km (0.056 R)
• M22: 15,220,686 km (0.059 R)
• M23: 16,085,361 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.7

Radius: 10.5

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.39 AU - 3.17 AU

Year: 3199 Days

Day: 10 Hours

Environment

Temp: -220 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,133,240 km

• M1: 133,591 km (0.09 R)
• M2: 592,408 km (0.076 R)
• M3: 983,008 km (0.038 R)
• M4: 1,863,690 km (0.103 R)
• M5: 2,659,701 km (0.116 R)
• M6: 3,083,960 km (0.101 R)
• M7: 3,668,289 km (0.09 R)
• M8: 4,069,960 km (0.071 R)
• M9: 5,429,505 km (0.075 R)
• M10: 6,088,933 km (0.026 R)
• M11: 6,596,069 km (0.054 R)
• M12: 8,322,728 km (0.059 R)
• M13: 9,679,431 km (0.116 R)
• M14: 11,940,154 km (0.06 R)
• M15: 13,009,031 km (0.109 R)
• M16: 13,899,587 km (0.064 R)
• M17: 14,286,447 km (0.09 R)
• M18: 15,132,573 km (0.08 R)
• M19: 17,702,365 km (0.116 R)
• M20: 20,989,180 km (0.096 R)
• M21: 21,370,804 km (0.026 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.6

Radius: 7

Gravity: 15.91 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.07 AU - 7.27 AU

Year: 10579 Days

Day: 15.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 42,133,240 km

• M1: 88,263 km (0.06 R)
• M2: 319,990 km (0.099 R)
• M3: 859,290 km (0.062 R)
• M4: 1,201,570 km (0.038 R)
• M5: 1,558,810 km (0.093 R)
• M6: 2,125,786 km (0.089 R)
• M7: 2,757,388 km (0.062 R)
• M8: 3,357,275 km (0.104 R)
• M9: 3,635,976 km (0.097 R)
• M10: 4,097,186 km (0.063 R)
• M11: 4,566,176 km (0.102 R)
• M12: 4,813,760 km (0.116 R)
• M13: 5,202,116 km (0.089 R)
• M14: 6,340,257 km (0.053 R)
• M15: 6,570,937 km (0.104 R)
• M16: 7,008,361 km (0.115 R)
• M17: 9,245,298 km (0.069 R)
• M18: 9,642,780 km (0.071 R)
• M19: 10,794,534 km (0.118 R)
• M20: 19,126,985 km (0.093 R)
• M21: 20,017,990 km (0.092 R)
• M22: 20,432,077 km (0.096 R)
• M23: 20,851,849 km (0.066 R)
• M24: 21,795,512 km (0.119 R)
• M25: 27,449,713 km (0.048 R)
• M26: 30,069,022 km (0.103 R)
• M27: 34,717,627 km (0.052 R)
• M28: 38,280,450 km (0.095 R)
• M29: 40,215,498 km (0.1 R)
• M30: 41,273,903 km (0.111 R)
• M31: 42,895,843 km (0.103 R)
• M32: 43,861,497 km (0.074 R)
• M33: 50,265,034 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 327.2

Radius: 5

Gravity: 13.09 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.31 AU - 7.57 AU

Year: 11281 Days

Day: 17.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 42,133,240 km

• M1: 139,425 km (0.104 R)
• M2: 448,494 km (0.094 R)
• M3: 1,145,920 km (0.096 R)
• M4: 1,519,166 km (0.09 R)
• M5: 1,875,957 km (0.073 R)
• M6: 2,066,246 km (0.096 R)
• M7: 3,376,274 km (0.059 R)
• M8: 3,756,552 km (0.094 R)
• M9: 4,244,540 km (0.098 R)
• M10: 4,658,777 km (0.12 R)
• M11: 5,314,464 km (0.108 R)
• M12: 6,517,231 km (0.081 R)
• M13: 7,972,370 km (0.091 R)
• M14: 8,516,308 km (0.095 R)
• M15: 9,084,480 km (0.113 R)
• M16: 9,631,261 km (0.114 R)
• M17: 13,849,172 km (0.091 R)
• M18: 14,147,620 km (0.026 R)
• M19: 16,291,657 km (0.075 R)
• M20: 16,557,343 km (0.113 R)
• M21: 17,440,868 km (0.108 R)
• M22: 19,006,858 km (0.081 R)
• M23: 19,899,359 km (0.115 R)
• M24: 20,897,476 km (0.03 R)
• M25: 21,132,494 km (0.103 R)
• M26: 22,992,894 km (0.105 R)
• M27: 24,959,806 km (0.113 R)
• M28: 26,392,505 km (0.112 R)
• M29: 27,879,059 km (0.089 R)
• M30: 28,354,780 km (0.118 R)
• M31: 29,224,842 km (0.114 R)
• M32: 30,613,259 km (0.101 R)
• M33: 40,361,206 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 251

Radius: 5.9

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.12 AU - 8.48 AU

Year: 13614 Days

Day: 24.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 42,133,240 km

• M1: 74,051 km (0.106 R)
• M2: 287,378 km (0.117 R)
• M3: 479,760 km (0.064 R)
• M4: 856,149 km (0.11 R)
• M5: 1,088,624 km (0.065 R)
• M6: 1,987,109 km (0.115 R)
• M7: 2,399,550 km (0.054 R)
• M8: 2,950,968 km (0.101 R)
• M9: 3,729,924 km (0.107 R)
• M10: 4,812,564 km (0.077 R)
• M11: 5,784,950 km (0.098 R)
• M12: 6,441,984 km (0.12 R)
• M13: 6,733,101 km (0.032 R)
• M14: 7,380,860 km (0.088 R)
• M15: 7,659,411 km (0.097 R)
• M16: 11,677,460 km (0.055 R)
• M17: 12,220,500 km (0.084 R)
• M18: 13,533,072 km (0.117 R)
• M19: 15,318,672 km (0.05 R)
• M20: 18,391,263 km (0.097 R)
• M21: 19,651,625 km (0.062 R)
• M22: 20,341,570 km (0.093 R)
• M23: 20,810,560 km (0.062 R)
• M24: 22,343,040 km (0.114 R)
• M25: 37,401,712 km (0.08 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: 536 - 19,265 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit