🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.7 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.4

Radius: 9.1

Gravity: 9.27 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.18 AU - 1.6 AU

Year: 1093 Days

Day: 10.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,153,245 km

• M1: 113,096 km (0.08 R)
• M2: 429,645 km (0.099 R)
• M3: 828,772 km (0.079 R)
• M4: 1,290,282 km (0.067 R)
• M5: 1,625,231 km (0.093 R)
• M6: 2,070,584 km (0.117 R)
• M7: 2,474,349 km (0.028 R)
• M8: 2,785,213 km (0.078 R)
• M9: 3,366,850 km (0.083 R)
• M10: 4,060,834 km (0.073 R)
• M11: 4,846,971 km (0.04 R)
• M12: 5,216,478 km (0.095 R)
• M13: 5,583,741 km (0.042 R)
• M14: 6,302,259 km (0.102 R)
• M15: 7,634,727 km (0.098 R)
• M16: 8,109,102 km (0.102 R)
• M17: 9,058,600 km (0.102 R)
• M18: 9,560,501 km (0.111 R)
• M19: 10,363,542 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.5

Radius: 11.4

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.38 AU - 2.18 AU

Year: 1584 Days

Day: 14.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,153,245 km

• M1: 141,819 km (0.095 R)
• M2: 608,115 km (0.119 R)
• M3: 1,219,821 km (0.108 R)
• M4: 1,739,973 km (0.113 R)
• M5: 2,466,570 km (0.094 R)
• M6: 2,886,790 km (0.085 R)
• M7: 3,293,547 km (0.114 R)
• M8: 3,907,197 km (0.097 R)
• M9: 5,449,102 km (0.104 R)
• M10: 6,405,033 km (0.07 R)
• M11: 7,258,040 km (0.119 R)
• M12: 8,156,824 km (0.072 R)
• M13: 12,132,387 km (0.104 R)
• M14: 12,850,158 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.8

Radius: 8.4

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.73 AU - 1.93 AU

Year: 1651 Days

Day: 12.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,153,245 km

• M1: 116,088 km (0.033 R)
• M2: 583,132 km (0.103 R)
• M3: 1,451,847 km (0.107 R)
• M4: 2,257,731 km (0.08 R)
• M5: 3,781,685 km (0.096 R)
• M6: 4,269,074 km (0.12 R)
• M7: 5,118,940 km (0.113 R)
• M8: 6,382,144 km (0.094 R)
• M9: 6,672,514 km (0.093 R)
• M10: 7,048,004 km (0.1 R)
• M11: 7,490,515 km (0.033 R)
• M12: 8,062,577 km (0.088 R)
• M13: 9,141,178 km (0.086 R)
• M14: 11,264,121 km (0.087 R)
• M15: 12,198,659 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.2

Radius: 10.7

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.51 AU - 2.17 AU

Year: 1664 Days

Day: 7.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,153,245 km

• M1: 183,706 km (0.113 R)
• M2: 525,837 km (0.047 R)
• M3: 1,075,309 km (0.118 R)
• M4: 1,711,848 km (0.09 R)
• M5: 2,585,051 km (0.079 R)
• M6: 3,068,252 km (0.105 R)
• M7: 4,187,244 km (0.058 R)
• M8: 4,710,687 km (0.117 R)
• M9: 5,488,147 km (0.112 R)
• M10: 6,077,862 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.9

Radius: 10.4

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.49 AU - 3.25 AU

Year: 3242 Days

Day: 5.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,153,245 km

• M1: 129,402 km (0.059 R)
• M2: 454,179 km (0.094 R)
• M3: 1,029,084 km (0.096 R)
• M4: 1,603,091 km (0.11 R)
• M5: 1,984,117 km (0.098 R)
• M6: 2,472,105 km (0.116 R)
• M7: 3,669,935 km (0.09 R)
• M8: 4,692,885 km (0.107 R)
• M9: 6,479,233 km (0.041 R)
• M10: 6,941,491 km (0.11 R)
• M11: 7,359,766 km (0.073 R)
• M12: 8,176,272 km (0.114 R)
• M13: 8,753,420 km (0.063 R)
• M14: 9,242,156 km (0.043 R)
• M15: 9,669,857 km (0.038 R)
• M16: 10,818,469 km (0.093 R)
• M17: 11,469,968 km (0.052 R)
• M18: 12,332,699 km (0.081 R)
• M19: 13,882,682 km (0.092 R)
• M20: 14,341,050 km (0.111 R)
• M21: 15,613,081 km (0.107 R)
• M22: 16,220,448 km (0.112 R)
• M23: 19,119,954 km (0.083 R)
• M24: 19,687,828 km (0.119 R)
• M25: 21,866,422 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.4

Radius: 12.1

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 3.64 AU - 5.9 AU

Year: 6947 Days

Day: 6.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,153,245 km

• M1: 153,039 km (0.044 R)
• M2: 665,262 km (0.069 R)
• M3: 1,722,021 km (0.073 R)
• M4: 2,677,802 km (0.096 R)
• M5: 3,230,716 km (0.118 R)
• M6: 4,375,887 km (0.111 R)
• M7: 5,116,546 km (0.113 R)
• M8: 5,644,926 km (0.046 R)
• M9: 6,558,819 km (0.097 R)
• M10: 10,819,068 km (0.094 R)
• M11: 16,776,204 km (0.09 R)
• M12: 19,389,380 km (0.077 R)
• M13: 21,859,091 km (0.117 R)
• M14: 29,523,439 km (0.105 R)
• M15: 32,991,566 km (0.069 R)
• M16: 33,416,724 km (0.043 R)
• M17: 35,820,612 km (0.095 R)
• M18: 39,162,628 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 248.9

Radius: 4.7

Gravity: 11.27 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 9.17 AU - 9.73 AU

Year: 19372 Days

Day: 22.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 53,153,245 km

• M1: 58,493 km (0.093 R)
• M2: 216,917 km (0.064 R)
• M3: 389,254 km (0.093 R)
• M4: 1,224,010 km (0.059 R)
• M5: 1,449,454 km (0.088 R)
• M6: 1,640,191 km (0.074 R)
• M7: 1,983,967 km (0.065 R)
• M8: 2,201,033 km (0.101 R)
• M9: 3,232,212 km (0.067 R)
• M10: 4,020,293 km (0.056 R)
• M11: 5,226,501 km (0.069 R)
• M12: 6,655,609 km (0.108 R)
• M13: 7,829,504 km (0.066 R)
• M14: 8,234,615 km (0.105 R)
• M15: 9,483,009 km (0.077 R)
• M16: 11,130,231 km (0.08 R)
• M17: 11,991,765 km (0.096 R)
• M18: 12,348,556 km (0.072 R)
• M19: 12,712,378 km (0.028 R)
• M20: 13,461,415 km (0.116 R)
• M21: 13,911,854 km (0.108 R)
• M22: 15,462,137 km (0.088 R)
• M23: 16,170,782 km (0.049 R)
• M24: 16,460,254 km (0.112 R)
• M25: 18,742,220 km (0.053 R)
• M26: 20,459,603 km (0.042 R)
• M27: 21,140,573 km (0.111 R)
• M28: 21,748,688 km (0.117 R)
• M29: 23,828,846 km (0.115 R)
• M30: 29,872,002 km (0.097 R)
• M31: 30,747,748 km (0.059 R)
• M32: 32,093,231 km (0.108 R)
• M33: 33,594,595 km (0.111 R)
• M34: 34,065,829 km (0.117 R)
• M35: 44,440,291 km (0.108 R)
• M36: 49,118,666 km (0.11 R)
• M37: 50,799,697 km (0.112 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 15,052 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit