🌌 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: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.3

Radius: 14.8

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.47 AU - 0.65 AU

Year: 284 Days

Day: 13.6 Hours

Environment

Temp: -150 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,837,593 km

• M1: 184,005 km (0.068 R)
• M2: 655,388 km (0.117 R)
• M3: 1,500,317 km (0.09 R)
• M4: 2,116,361 km (0.118 R)
• M5: 2,726,720 km (0.115 R)
• M6: 3,475,907 km (0.116 R)
• M7: 4,016,404 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.4

Radius: 8.2

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.51 AU - 0.69 AU

Year: 315 Days

Day: 5.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 61.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 58,837,593 km

• M1: 102,175 km (0.105 R)
• M2: 359,184 km (0.082 R)
• M3: 731,683 km (0.11 R)
• M4: 1,229,096 km (0.055 R)
• M5: 1,491,341 km (0.095 R)
• M6: 1,791,285 km (0.034 R)
• M7: 2,437,996 km (0.064 R)
• M8: 2,900,703 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.8

Radius: 10.2

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.72 AU - 0.84 AU

Year: 467 Days

Day: 8.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 58,837,593 km

• M1: 127,906 km (0.045 R)
• M2: 455,675 km (0.043 R)
• M3: 794,813 km (0.118 R)
• M4: 1,111,961 km (0.076 R)
• M5: 1,658,442 km (0.09 R)
• M6: 2,158,697 km (0.11 R)
• M7: 2,838,320 km (0.116 R)
• M8: 3,301,924 km (0.112 R)
• M9: 3,753,111 km (0.095 R)
• M10: 4,111,697 km (0.117 R)
• M11: 5,063,888 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.6

Radius: 10.8

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.69 AU - 3.63 AU

Year: 3810 Days

Day: 5.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,837,593 km

• M1: 134,638 km (0.076 R)
• M2: 493,224 km (0.117 R)
• M3: 915,240 km (0.056 R)
• M4: 1,536,520 km (0.097 R)
• M5: 1,950,008 km (0.109 R)
• M6: 2,563,808 km (0.091 R)
• M7: 3,005,571 km (0.111 R)
• M8: 3,742,939 km (0.11 R)
• M9: 4,245,288 km (0.104 R)
• M10: 4,620,929 km (0.056 R)
• M11: 5,630,864 km (0.104 R)
• M12: 6,085,492 km (0.119 R)
• M13: 8,333,948 km (0.11 R)
• M14: 9,704,264 km (0.114 R)
• M15: 10,317,616 km (0.097 R)
• M16: 10,913,015 km (0.093 R)
• M17: 13,881,037 km (0.086 R)
• M18: 17,887,717 km (0.08 R)
• M19: 18,499,123 km (0.086 R)
• M20: 19,061,312 km (0.061 R)
• M21: 21,629,907 km (0.085 R)
• M22: 22,605,734 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.4

Radius: 8.5

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.16 AU - 3.72 AU

Year: 4327 Days

Day: 5.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 58,837,593 km

• M1: 106,214 km (0.117 R)
• M2: 371,152 km (0.081 R)
• M3: 759,658 km (0.102 R)
• M4: 1,167,761 km (0.038 R)
• M5: 2,213,749 km (0.111 R)
• M6: 2,479,585 km (0.111 R)
• M7: 2,927,930 km (0.096 R)
• M8: 4,078,038 km (0.118 R)
• M9: 4,628,857 km (0.096 R)
• M10: 5,907,919 km (0.107 R)
• M11: 7,036,186 km (0.099 R)
• M12: 7,511,758 km (0.102 R)
• M13: 8,489,081 km (0.12 R)
• M14: 9,186,356 km (0.081 R)
• M15: 10,089,628 km (0.101 R)
• M16: 11,369,289 km (0.085 R)
• M17: 12,409,742 km (0.081 R)
• M18: 13,053,761 km (0.069 R)
• M19: 13,461,116 km (0.064 R)
• M20: 14,300,958 km (0.045 R)
• M21: 16,376,629 km (0.081 R)
• M22: 19,424,087 km (0.116 R)
• M23: 21,255,165 km (0.056 R)
• M24: 24,481,243 km (0.052 R)
• M25: 25,651,696 km (0.107 R)
• M26: 26,290,928 km (0.11 R)
• M27: 27,518,229 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.8

Radius: 11.6

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.36 AU - 4.5 AU

Year: 5284 Days

Day: 13 Hours

Environment

Temp: -215 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,837,593 km

• M1: 144,362 km (0.077 R)
• M2: 974,481 km (0.098 R)
• M3: 1,531,583 km (0.046 R)
• M4: 1,968,259 km (0.112 R)
• M5: 2,853,879 km (0.12 R)
• M6: 3,216,055 km (0.079 R)
• M7: 3,652,282 km (0.049 R)
• M8: 4,080,880 km (0.094 R)
• M9: 4,905,913 km (0.083 R)
• M10: 6,719,936 km (0.082 R)
• M11: 9,186,955 km (0.04 R)
• M12: 10,781,967 km (0.118 R)
• M13: 11,289,852 km (0.055 R)
• M14: 14,291,982 km (0.09 R)
• M15: 15,132,722 km (0.101 R)
• M16: 19,094,822 km (0.092 R)
• M17: 23,163,585 km (0.095 R)
• M18: 24,639,069 km (0.101 R)
• M19: 30,801,454 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258

Radius: 5.6

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 8.62 AU - 11.82 AU

Year: 22160 Days

Day: 24.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 58,837,593 km

• M1: 69,713 km (0.079 R)
• M2: 447,746 km (0.036 R)
• M3: 775,366 km (0.027 R)
• M4: 1,656,348 km (0.077 R)
• M5: 1,854,565 km (0.112 R)
• M6: 2,162,437 km (0.12 R)
• M7: 2,379,504 km (0.085 R)
• M8: 2,927,331 km (0.114 R)
• M9: 3,119,415 km (0.098 R)
• M10: 3,664,101 km (0.088 R)
• M11: 4,709,640 km (0.06 R)
• M12: 5,109,964 km (0.082 R)
• M13: 5,678,735 km (0.071 R)
• M14: 6,132,316 km (0.078 R)
• M15: 6,609,683 km (0.055 R)
• M16: 8,096,835 km (0.091 R)
• M17: 8,332,901 km (0.118 R)
• M18: 8,868,461 km (0.104 R)
• M19: 9,170,050 km (0.112 R)
• M20: 9,900,537 km (0.107 R)
• M21: 10,445,671 km (0.095 R)
• M22: 12,700,111 km (0.089 R)
• M23: 14,486,310 km (0.03 R)
• M24: 15,839,273 km (0.078 R)
• M25: 16,965,147 km (0.098 R)
• M26: 21,371,103 km (0.06 R)
• M27: 21,550,920 km (0.098 R)
• M28: 23,309,293 km (0.078 R)
• M29: 24,369,792 km (0.056 R)
• M30: 26,794,774 km (0.045 R)
• M31: 29,486,937 km (0.117 R)
• M32: 31,533,286 km (0.085 R)
• M33: 32,235,948 km (0.104 R)
• M34: 34,038,004 km (0.111 R)
• M35: 38,902,178 km (0.084 R)
• M36: 42,342,780 km (0.088 R)
• M37: 42,911,551 km (0.092 R)
• M38: 57,265,167 km (0.03 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: 530 - 17,671 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit