🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.4

Radius: 8.6

Gravity: 12.58 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.63 AU - 0.83 AU

Year: 431 Days

Day: 5.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,521,930 km

• M1: 154,385 km (0.025 R)
• M2: 340,934 km (0.105 R)
• M3: 657,632 km (0.058 R)
• M4: 952,041 km (0.083 R)
• M5: 1,133,204 km (0.092 R)
• M6: 1,446,462 km (0.027 R)
• M7: 1,808,040 km (0.073 R)
• M8: 2,033,035 km (0.053 R)
• M9: 2,227,512 km (0.107 R)
• M10: 2,446,823 km (0.092 R)
• M11: 2,909,230 km (0.095 R)
• M12: 3,204,985 km (0.12 R)
• M13: 3,394,974 km (0.078 R)
• M14: 3,685,792 km (0.063 R)
• M15: 4,211,778 km (0.104 R)
• M16: 4,388,005 km (0.114 R)
• M17: 4,567,971 km (0.086 R)
• M18: 5,096,351 km (0.063 R)
• M19: 5,394,798 km (0.079 R)
• M20: 5,822,349 km (0.086 R)
• M21: 6,042,408 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582

Radius: 11.8

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.87 AU - 1.23 AU

Year: 743 Days

Day: 7.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,521,930 km

• M1: 164,109 km (0.034 R)
• M2: 407,654 km (0.094 R)
• M3: 708,047 km (0.087 R)
• M4: 1,834,818 km (0.089 R)
• M5: 2,400,597 km (0.102 R)
• M6: 2,906,537 km (0.117 R)
• M7: 3,203,040 km (0.119 R)
• M8: 3,535,446 km (0.092 R)
• M9: 3,852,444 km (0.119 R)
• M10: 4,194,874 km (0.084 R)
• M11: 4,815,555 km (0.12 R)
• M12: 5,650,162 km (0.119 R)
• M13: 6,134,410 km (0.11 R)
• M14: 6,811,640 km (0.066 R)
• M15: 7,104,702 km (0.107 R)
• M16: 7,817,835 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.8

Radius: 12.2

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.95 AU - 1.22 AU

Year: 775 Days

Day: 6.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,521,930 km

• M1: 156,779 km (0.104 R)
• M2: 423,661 km (0.094 R)
• M3: 671,545 km (0.09 R)
• M4: 1,030,729 km (0.079 R)
• M5: 1,318,256 km (0.104 R)
• M6: 1,961,078 km (0.1 R)
• M7: 2,255,786 km (0.099 R)
• M8: 2,626,340 km (0.098 R)
• M9: 3,085,157 km (0.069 R)
• M10: 3,499,094 km (0.095 R)
• M11: 4,491,377 km (0.087 R)
• M12: 5,665,870 km (0.099 R)
• M13: 7,010,605 km (0.045 R)
• M14: 7,589,549 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29.3

Radius: 14.2

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1 AU - 1.64 AU

Year: 1047 Days

Day: 7.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,521,930 km

• M1: 176,675 km (0.051 R)
• M2: 656,884 km (0.095 R)
• M3: 943,514 km (0.049 R)
• M4: 1,444,966 km (0.099 R)
• M5: 2,124,140 km (0.091 R)
• M6: 2,452,208 km (0.08 R)
• M7: 2,948,275 km (0.117 R)
• M8: 3,562,075 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.4

Radius: 14.6

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.26 AU - 3.72 AU

Year: 3569 Days

Day: 5.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 88.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,521,930 km

• M1: 181,761 km (0.04 R)
• M2: 481,256 km (0.07 R)
• M3: 817,104 km (0.107 R)
• M4: 1,257,669 km (0.11 R)
• M5: 1,543,401 km (0.115 R)
• M6: 1,875,359 km (0.085 R)
• M7: 2,202,230 km (0.057 R)
• M8: 3,203,938 km (0.076 R)
• M9: 4,347,464 km (0.108 R)
• M10: 5,832,671 km (0.119 R)
• M11: 6,514,239 km (0.045 R)
• M12: 9,335,506 km (0.058 R)
• M13: 9,836,210 km (0.115 R)
• M14: 11,353,880 km (0.038 R)
• M15: 12,641,020 km (0.118 R)
• M16: 13,962,717 km (0.12 R)
• M17: 15,613,829 km (0.109 R)
• M18: 18,409,065 km (0.116 R)
• M19: 18,821,507 km (0.085 R)
• M20: 19,154,661 km (0.088 R)
• M21: 19,702,488 km (0.053 R)
• M22: 20,172,076 km (0.114 R)
• M23: 20,690,732 km (0.093 R)
• M24: 21,837,250 km (0.118 R)
• M25: 22,969,107 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.4

Radius: 9.6

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.47 AU - 5.39 AU

Year: 6436 Days

Day: 6.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,521,930 km

• M1: 125,513 km (0.101 R)
• M2: 342,130 km (0.096 R)
• M3: 910,602 km (0.075 R)
• M4: 2,407,927 km (0.089 R)
• M5: 3,798,888 km (0.108 R)
• M6: 4,759,905 km (0.065 R)
• M7: 5,462,566 km (0.112 R)
• M8: 6,036,723 km (0.052 R)
• M9: 10,796,628 km (0.111 R)
• M10: 11,075,179 km (0.115 R)
• M11: 12,908,651 km (0.08 R)
• M12: 13,699,575 km (0.098 R)
• M13: 15,447,177 km (0.106 R)
• M14: 18,786,052 km (0.118 R)
• M15: 19,153,763 km (0.057 R)
• M16: 19,846,402 km (0.054 R)
• M17: 20,770,767 km (0.059 R)
• M18: 25,101,476 km (0.081 R)
• M19: 26,761,413 km (0.086 R)
• M20: 29,580,885 km (0.067 R)
• M21: 32,335,580 km (0.084 R)
• M22: 34,998,871 km (0.116 R)
• M23: 36,151,821 km (0.112 R)
• M24: 36,735,253 km (0.041 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 278.2

Radius: 7.7

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.89 AU - 7.23 AU

Year: 10297 Days

Day: 15.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,521,930 km

• M1: 288,125 km (0.091 R)
• M2: 509,082 km (0.058 R)
• M3: 1,344,735 km (0.096 R)
• M4: 2,554,982 km (0.038 R)
• M5: 3,258,840 km (0.118 R)
• M6: 3,862,168 km (0.059 R)
• M7: 4,467,740 km (0.101 R)
• M8: 8,657,827 km (0.042 R)
• M9: 9,857,452 km (0.032 R)
• M10: 10,274,831 km (0.082 R)
• M11: 10,700,885 km (0.103 R)
• M12: 12,876,338 km (0.114 R)
• M13: 14,469,704 km (0.096 R)
• M14: 16,108,549 km (0.057 R)
• M15: 27,546,354 km (0.057 R)
• M16: 33,366,459 km (0.056 R)
• M17: 35,192,899 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.2

Radius: 6

Gravity: 21.34 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.37 AU - 6.97 AU

Year: 10579 Days

Day: 22 Hours

Environment

Temp: -236 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 63,521,930 km

• M1: 84,672 km (0.044 R)
• M2: 203,752 km (0.114 R)
• M3: 421,716 km (0.112 R)
• M4: 550,371 km (0.081 R)
• M5: 781,350 km (0.114 R)
• M6: 1,205,460 km (0.083 R)
• M7: 1,692,102 km (0.09 R)
• M8: 1,822,551 km (0.119 R)
• M9: 2,395,062 km (0.08 R)
• M10: 3,250,014 km (0.066 R)
• M11: 3,838,382 km (0.086 R)
• M12: 4,036,001 km (0.091 R)
• M13: 4,537,154 km (0.053 R)
• M14: 4,972,334 km (0.109 R)
• M15: 5,295,615 km (0.099 R)
• M16: 6,042,856 km (0.094 R)
• M17: 6,765,713 km (0.066 R)
• M18: 7,028,407 km (0.085 R)
• M19: 10,298,467 km (0.093 R)
• M20: 10,436,695 km (0.083 R)
• M21: 10,763,118 km (0.041 R)
• M22: 11,723,387 km (0.119 R)
• M23: 11,871,040 km (0.113 R)
• M24: 18,599,204 km (0.111 R)
• M25: 19,097,215 km (0.109 R)
• M26: 23,389,477 km (0.101 R)
• M27: 23,528,454 km (0.105 R)
• M28: 26,542,552 km (0.047 R)
• M29: 29,115,934 km (0.114 R)
• M30: 33,282,534 km (0.088 R)
• M31: 34,199,719 km (0.042 R)
• M32: 34,367,867 km (0.079 R)
• M33: 34,959,526 km (0.09 R)
• M34: 38,348,217 km (0.031 R)
• M35: 40,238,087 km (0.087 R)
• M36: 41,801,235 km (0.047 R)
• M37: 43,110,965 km (0.03 R)
• M38: 44,249,704 km (0.114 R)
• M39: 47,457,830 km (0.079 R)
• M40: 50,369,902 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 735.8

Radius: 3.8

Gravity: 50.96 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 6.14 AU - 9.24 AU

Year: 14720 Days

Day: 20 Hours

Environment

Temp: -236 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 63,521,930 km

• M1: 47,871 km (0.086 R)
• M2: 143,764 km (0.1 R)
• M3: 225,594 km (0.104 R)
• M4: 484,548 km (0.055 R)
• M5: 1,023,249 km (0.105 R)
• M6: 1,204,113 km (0.07 R)
• M7: 1,796,371 km (0.082 R)
• M8: 2,290,643 km (0.117 R)
• M9: 2,662,992 km (0.069 R)
• M10: 2,793,441 km (0.079 R)
• M11: 2,900,104 km (0.097 R)
• M12: 4,371,250 km (0.056 R)
• M13: 4,674,634 km (0.094 R)
• M14: 5,913,305 km (0.094 R)
• M15: 6,265,757 km (0.107 R)
• M16: 8,137,077 km (0.111 R)
• M17: 9,068,922 km (0.08 R)
• M18: 9,602,987 km (0.073 R)
• M19: 12,168,889 km (0.086 R)
• M20: 13,072,760 km (0.106 R)
• M21: 15,225,323 km (0.109 R)
• M22: 15,474,703 km (0.111 R)
• M23: 16,298,987 km (0.08 R)
• M24: 17,409,452 km (0.109 R)
• M25: 20,597,832 km (0.025 R)
• M26: 21,844,131 km (0.104 R)
• M27: 23,357,464 km (0.072 R)
• M28: 28,032,995 km (0.095 R)
• M29: 31,954,704 km (0.067 R)
• M30: 33,965,598 km (0.103 R)
• M31: 34,337,798 km (0.106 R)
• M32: 39,361,444 km (0.065 R)
• M33: 40,772,600 km (0.043 R)
• M34: 41,487,529 km (0.114 R)
• M35: 43,459,378 km (0.068 R)
• M36: 43,564,546 km (0.119 R)
• M37: 44,091,579 km (0.095 R)
• M38: 44,834,931 km (0.116 R)
• M39: 51,805,144 km (0.036 R)
• M40: 54,357,733 km (0.07 R)
• M41: 57,092,232 km (0.114 R)
• M42: 57,937,759 km (0.11 R)
• M43: 62,258,744 km (0.05 R)
• M44: 63,015,111 km (0.097 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 19,882 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit