🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.2

Radius: 9.9

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.45 AU - 0.65 AU

Year: 272 Days

Day: 13.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 95,735,528 km

• M1: 123,269 km (0.064 R)
• M2: 471,981 km (0.054 R)
• M3: 892,650 km (0.09 R)
• M4: 1,250,489 km (0.077 R)
• M5: 1,596,359 km (0.111 R)
• M6: 1,999,675 km (0.113 R)
• M7: 2,336,420 km (0.105 R)
• M8: 2,677,353 km (0.026 R)
• M9: 3,419,807 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.9

Radius: 10.6

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.51 AU - 0.75 AU

Year: 333 Days

Day: 9.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 95,735,528 km

• M1: 131,796 km (0.097 R)
• M2: 463,005 km (0.077 R)
• M3: 848,818 km (0.108 R)
• M4: 1,267,842 km (0.12 R)
• M5: 1,723,517 km (0.079 R)
• M6: 2,076,718 km (0.087 R)
• M7: 2,461,334 km (0.038 R)
• M8: 3,261,383 km (0.057 R)
• M9: 3,912,732 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.8

Radius: 9.6

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.55 AU - 0.89 AU

Year: 407 Days

Day: 6.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 95,735,528 km

• M1: 119,379 km (0.074 R)
• M2: 528,080 km (0.095 R)
• M3: 860,337 km (0.086 R)
• M4: 1,246,898 km (0.112 R)
• M5: 1,839,455 km (0.092 R)
• M6: 2,307,846 km (0.112 R)
• M7: 3,706,437 km (0.107 R)
• M8: 4,601,780 km (0.11 R)
• M9: 4,915,188 km (0.098 R)
• M10: 5,420,080 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.7

Radius: 9.8

Gravity: 7.68 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.79 AU - 1.11 AU

Year: 617 Days

Day: 12 Hours

Environment

Temp: -175 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 95,735,528 km

• M1: 123,418 km (0.032 R)
• M2: 495,319 km (0.112 R)
• M3: 921,224 km (0.069 R)
• M4: 2,424,383 km (0.073 R)
• M5: 2,871,382 km (0.092 R)
• M6: 3,503,582 km (0.113 R)
• M7: 4,843,081 km (0.068 R)
• M8: 5,164,866 km (0.05 R)
• M9: 5,984,663 km (0.043 R)
• M10: 6,516,633 km (0.063 R)
• M11: 7,318,627 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.3

Radius: 11.6

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.87 AU - 1.19 AU

Year: 697 Days

Day: 10 Hours

Environment

Temp: -179 °C

Axial Tilt: 103 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 95,735,528 km

• M1: 144,512 km (0.11 R)
• M2: 537,206 km (0.04 R)
• M3: 973,882 km (0.119 R)
• M4: 1,781,112 km (0.087 R)
• M5: 2,430,068 km (0.091 R)
• M6: 3,495,205 km (0.097 R)
• M7: 4,587,269 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.8

Radius: 10.8

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.48 AU - 2.3 AU

Year: 1733 Days

Day: 13.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 95,735,528 km

• M1: 137,032 km (0.116 R)
• M2: 594,502 km (0.115 R)
• M3: 1,016,368 km (0.088 R)
• M4: 1,538,614 km (0.097 R)
• M5: 1,907,223 km (0.078 R)
• M6: 2,244,716 km (0.049 R)
• M7: 3,282,776 km (0.071 R)
• M8: 4,501,400 km (0.109 R)
• M9: 5,267,341 km (0.064 R)
• M10: 6,058,714 km (0.118 R)
• M11: 7,689,779 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.8

Radius: 14.7

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.46 AU - 4.62 AU

Year: 6451 Days

Day: 12.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 95,735,528 km

• M1: 183,407 km (0.064 R)
• M2: 822,339 km (0.103 R)
• M3: 1,408,913 km (0.078 R)
• M4: 1,908,719 km (0.096 R)
• M5: 2,690,368 km (0.069 R)
• M6: 3,655,424 km (0.106 R)
• M7: 4,206,543 km (0.092 R)
• M8: 4,676,429 km (0.102 R)
• M9: 5,239,815 km (0.082 R)
• M10: 7,769,665 km (0.111 R)
• M11: 8,441,060 km (0.117 R)
• M12: 9,237,070 km (0.088 R)
• M13: 15,716,902 km (0.04 R)
• M14: 16,280,587 km (0.11 R)
• M15: 18,951,058 km (0.052 R)
• M16: 19,661,947 km (0.028 R)
• M17: 25,487,588 km (0.093 R)
• M18: 26,617,949 km (0.072 R)
• M19: 28,513,953 km (0.067 R)
• M20: 29,637,133 km (0.092 R)
• M21: 30,113,752 km (0.093 R)
• M22: 34,008,832 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 545.7

Radius: 7.3

Gravity: 10.24 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 9.67 AU - 11.39 AU

Year: 22786 Days

Day: 23.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 95,735,528 km

• M1: 93,050 km (0.099 R)
• M2: 481,855 km (0.117 R)
• M3: 743,202 km (0.066 R)
• M4: 1,654,403 km (0.08 R)
• M5: 2,043,806 km (0.068 R)
• M6: 2,447,421 km (0.099 R)
• M7: 3,558,185 km (0.092 R)
• M8: 5,196,132 km (0.099 R)
• M9: 7,001,031 km (0.068 R)
• M10: 8,431,635 km (0.075 R)
• M11: 15,555,785 km (0.105 R)
• M12: 17,193,882 km (0.056 R)
• M13: 28,182,294 km (0.11 R)
• M14: 29,015,405 km (0.104 R)
• M15: 29,377,431 km (0.068 R)
• M16: 36,561,121 km (0.108 R)
• M17: 40,631,380 km (0.11 R)
• M18: 41,236,503 km (0.102 R)
• M19: 43,244,556 km (0.082 R)
• M20: 47,287,737 km (0.074 R)
• M21: 50,350,006 km (0.048 R)
• M22: 52,107,182 km (0.111 R)
• M23: 55,557,657 km (0.091 R)
• M24: 57,433,465 km (0.085 R)
• M25: 59,739,815 km (0.113 R)
• M26: 64,126,922 km (0.071 R)
• M27: 67,872,554 km (0.054 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.7

Radius: 5.9

Gravity: 27.22 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 10.77 AU - 11.03 AU

Year: 23998 Days

Day: 22.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 95,735,528 km

• M1: 73,453 km (0.094 R)
• M2: 389,852 km (0.079 R)
• M3: 2,579,516 km (0.093 R)
• M4: 2,814,385 km (0.11 R)
• M5: 5,364,131 km (0.077 R)
• M6: 5,661,083 km (0.098 R)
• M7: 9,629,765 km (0.109 R)
• M8: 11,190,669 km (0.119 R)
• M9: 13,602,037 km (0.112 R)
• M10: 14,804,504 km (0.09 R)
• M11: 15,304,760 km (0.089 R)
• M12: 19,126,985 km (0.068 R)
• M13: 19,521,176 km (0.067 R)
• M14: 21,468,042 km (0.085 R)
• M15: 23,540,721 km (0.108 R)
• M16: 36,830,697 km (0.062 R)
• M17: 39,470,052 km (0.032 R)
• M18: 40,754,499 km (0.114 R)
• M19: 45,469,974 km (0.078 R)
• M20: 47,059,601 km (0.088 R)
• M21: 55,566,334 km (0.05 R)
• M22: 56,368,627 km (0.055 R)
• M23: 64,159,535 km (0.076 R)
• M24: 67,739,861 km (0.089 R)
• M25: 68,885,332 km (0.105 R)
• M26: 70,043,817 km (0.078 R)
• M27: 78,267,661 km (0.106 R)
• M28: 86,038,523 km (0.119 R)
• M29: 88,738,764 km (0.107 R)
• M30: 89,285,544 km (0.067 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 15,067 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit