🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.5

Radius: 12.2

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.53 AU - 0.79 AU

Year: 358 Days

Day: 14.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,183,412 km

• M1: 152,141 km (0.065 R)
• M2: 544,536 km (0.104 R)
• M3: 1,050,775 km (0.12 R)
• M4: 1,692,251 km (0.03 R)
• M5: 2,375,913 km (0.062 R)
• M6: 4,739,859 km (0.105 R)
• M7: 5,638,194 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.2

Radius: 13.5

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.72 AU - 0.96 AU

Year: 513 Days

Day: 11.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 30,183,412 km

• M1: 167,849 km (0.119 R)
• M2: 657,183 km (0.054 R)
• M3: 1,167,611 km (0.109 R)
• M4: 2,165,429 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.7

Radius: 13.2

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.1 AU - 1.24 AU

Year: 844 Days

Day: 5.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,183,412 km

• M1: 164,109 km (0.087 R)
• M2: 664,813 km (0.119 R)
• M3: 1,082,341 km (0.088 R)
• M4: 1,523,206 km (0.066 R)
• M5: 1,953,449 km (0.071 R)
• M6: 2,553,636 km (0.109 R)
• M7: 3,925,149 km (0.101 R)
• M8: 5,270,632 km (0.104 R)
• M9: 5,863,189 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.9

Radius: 14.5

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.71 AU - 1.73 AU

Year: 1504 Days

Day: 13.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,183,412 km

• M1: 180,565 km (0.104 R)
• M2: 685,607 km (0.109 R)
• M3: 1,252,433 km (0.08 R)
• M4: 1,793,080 km (0.085 R)
• M5: 2,276,880 km (0.085 R)
• M6: 2,885,444 km (0.082 R)
• M7: 3,776,449 km (0.037 R)
• M8: 4,287,176 km (0.086 R)
• M9: 5,449,551 km (0.101 R)
• M10: 7,408,236 km (0.106 R)
• M11: 7,914,625 km (0.096 R)
• M12: 8,547,574 km (0.087 R)
• M13: 9,051,120 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.8

Radius: 8.3

Gravity: 10.26 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.69 AU - 2.67 AU

Year: 2146 Days

Day: 5.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,183,412 km

• M1: 103,223 km (0.113 R)
• M2: 379,380 km (0.097 R)
• M3: 642,672 km (0.075 R)
• M4: 1,006,195 km (0.086 R)
• M5: 1,301,501 km (0.069 R)
• M6: 1,783,356 km (0.08 R)
• M7: 2,339,412 km (0.041 R)
• M8: 2,716,847 km (0.083 R)
• M9: 4,216,865 km (0.034 R)
• M10: 4,713,380 km (0.097 R)
• M11: 5,088,123 km (0.076 R)
• M12: 6,202,926 km (0.097 R)
• M13: 6,900,950 km (0.071 R)
• M14: 7,472,713 km (0.079 R)
• M15: 8,516,756 km (0.076 R)
• M16: 10,816,076 km (0.098 R)
• M17: 13,024,739 km (0.054 R)
• M18: 14,485,412 km (0.105 R)
• M19: 15,374,323 km (0.116 R)
• M20: 15,662,448 km (0.076 R)
• M21: 17,003,892 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.8

Radius: 9

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.3 AU - 3.82 AU

Year: 3570 Days

Day: 5.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,183,412 km

• M1: 114,891 km (0.097 R)
• M2: 544,387 km (0.104 R)
• M3: 839,543 km (0.083 R)
• M4: 1,955,693 km (0.041 R)
• M5: 2,882,302 km (0.038 R)
• M6: 3,318,978 km (0.053 R)
• M7: 3,703,445 km (0.11 R)
• M8: 5,252,830 km (0.107 R)
• M9: 5,880,094 km (0.081 R)
• M10: 6,334,572 km (0.108 R)
• M11: 7,015,991 km (0.108 R)
• M12: 7,466,131 km (0.093 R)
• M13: 8,863,973 km (0.102 R)
• M14: 9,462,065 km (0.113 R)
• M15: 9,863,287 km (0.08 R)
• M16: 11,296,734 km (0.088 R)
• M17: 12,864,070 km (0.12 R)
• M18: 14,237,529 km (0.113 R)
• M19: 17,544,090 km (0.049 R)
• M20: 18,941,634 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971

Radius: 10.7

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.7 AU - 6.3 AU

Year: 8601 Days

Day: 5 Hours

Environment

Temp: -233 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 30,183,412 km

• M1: 133,142 km (0.045 R)
• M2: 545,434 km (0.074 R)
• M3: 1,078,451 km (0.107 R)
• M4: 1,926,372 km (0.1 R)
• M5: 2,361,402 km (0.089 R)
• M6: 3,705,689 km (0.115 R)
• M7: 4,412,838 km (0.066 R)
• M8: 4,798,950 km (0.11 R)
• M9: 5,504,154 km (0.101 R)
• M10: 8,038,342 km (0.116 R)
• M11: 9,707,406 km (0.107 R)
• M12: 11,374,973 km (0.113 R)
• M13: 12,392,987 km (0.115 R)
• M14: 13,656,191 km (0.105 R)
• M15: 14,544,803 km (0.1 R)
• M16: 15,202,734 km (0.111 R)
• M17: 18,948,665 km (0.116 R)
• M18: 21,791,024 km (0.028 R)
• M19: 22,478,576 km (0.072 R)
• M20: 24,352,140 km (0.095 R)
• M21: 26,618,248 km (0.117 R)
• M22: 29,958,918 km (0.082 R)
• M23: 30,809,083 km (0.104 R)
• M24: 34,140,628 km (0.049 R)
• M25: 34,486,498 km (0.038 R)
• M26: 35,185,270 km (0.081 R)
• M27: 36,490,661 km (0.113 R)
• M28: 40,471,610 km (0.077 R)
• M29: 41,510,417 km (0.068 R)
• M30: 43,236,029 km (0.067 R)
• M31: 47,686,864 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 467.7

Radius: 3.7

Gravity: 34.16 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.19 AU - 6.31 AU

Year: 9195 Days

Day: 16.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 30,183,412 km

• M1: 49,966 km (0.032 R)
• M2: 167,550 km (0.11 R)
• M3: 319,391 km (0.087 R)
• M4: 893,249 km (0.074 R)
• M5: 1,291,927 km (0.074 R)
• M6: 1,952,851 km (0.043 R)
• M7: 2,320,861 km (0.046 R)
• M8: 3,349,945 km (0.105 R)
• M9: 4,291,365 km (0.081 R)
• M10: 4,969,492 km (0.077 R)
• M11: 5,179,976 km (0.073 R)
• M12: 5,427,860 km (0.111 R)
• M13: 5,781,509 km (0.07 R)
• M14: 6,219,083 km (0.078 R)
• M15: 6,428,370 km (0.081 R)
• M16: 8,786,332 km (0.101 R)
• M17: 9,919,236 km (0.094 R)
• M18: 10,792,738 km (0.07 R)
• M19: 12,035,597 km (0.088 R)
• M20: 12,525,231 km (0.056 R)
• M21: 14,193,547 km (0.115 R)
• M22: 14,434,699 km (0.086 R)
• M23: 16,998,507 km (0.12 R)
• M24: 24,787,470 km (0.11 R)
• M25: 26,115,899 km (0.099 R)
• M26: 26,477,926 km (0.115 R)
• M27: 28,338,624 km (0.098 R)
• M28: 28,817,038 km (0.116 R)
• M29: 30,384,375 km (0.106 R)
• M30: 30,584,088 km (0.094 R)
• M31: 30,986,357 km (0.07 R)
• M32: 34,440,571 km (0.1 R)
• M33: 35,095,062 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 121.6

Radius: 6.7

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.77 AU - 7.09 AU

Year: 9630 Days

Day: 19.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 52.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,183,412 km

• M1: 128,505 km (0.041 R)
• M2: 401,969 km (0.1 R)
• M3: 1,067,830 km (0.087 R)
• M4: 4,416,428 km (0.104 R)
• M5: 5,166,213 km (0.104 R)
• M6: 5,711,348 km (0.099 R)
• M7: 7,784,176 km (0.099 R)
• M8: 8,029,965 km (0.088 R)
• M9: 12,750,675 km (0.061 R)
• M10: 15,164,886 km (0.076 R)
• M11: 19,173,211 km (0.056 R)
• M12: 22,112,211 km (0.076 R)
• M13: 25,956,727 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29.7

Radius: 6.6

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 10.73 AU - 11.07 AU

Year: 23998 Days

Day: 24.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 173.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,183,412 km

• M1: 82,129 km (0.088 R)
• M2: 398,230 km (0.117 R)
• M3: 674,537 km (0.108 R)
• M4: 987,496 km (0.044 R)
• M5: 1,994,140 km (0.065 R)
• M6: 2,611,380 km (0.116 R)
• M7: 7,936,017 km (0.103 R)
• M8: 8,463,649 km (0.106 R)
• M9: 9,630,662 km (0.085 R)
• M10: 10,992,751 km (0.113 R)
• M11: 11,600,567 km (0.105 R)
• M12: 11,937,012 km (0.086 R)
• M13: 13,139,929 km (0.102 R)
• M14: 14,923,136 km (0.066 R)
• M15: 17,107,713 km (0.086 R)
• M16: 19,564,110 km (0.062 R)
• M17: 25,323,928 km (0.096 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 13,097 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit