🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.9

Radius: 9.1

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.63 AU - 0.77 AU

Year: 384 Days

Day: 7.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,503,581 km

• M1: 113,246 km (0.049 R)
• M2: 482,603 km (0.109 R)
• M3: 810,970 km (0.119 R)
• M4: 1,111,213 km (0.063 R)
• M5: 1,565,542 km (0.115 R)
• M6: 1,878,351 km (0.115 R)
• M7: 2,284,958 km (0.092 R)
• M8: 2,769,505 km (0.114 R)
• M9: 3,165,641 km (0.108 R)
• M10: 3,516,747 km (0.074 R)
• M11: 3,856,035 km (0.089 R)
• M12: 4,297,498 km (0.093 R)
• M13: 5,037,708 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.2

Radius: 13.8

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.8 AU - 0.88 AU

Year: 505 Days

Day: 12.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,503,581 km

• M1: 171,888 km (0.108 R)
• M2: 829,819 km (0.079 R)
• M3: 1,414,149 km (0.081 R)
• M4: 1,964,818 km (0.065 R)
• M5: 2,463,428 km (0.052 R)
• M6: 2,895,168 km (0.095 R)
• M7: 3,510,164 km (0.058 R)
• M8: 4,156,427 km (0.07 R)
• M9: 4,684,807 km (0.109 R)
• M10: 5,114,452 km (0.108 R)
• M11: 5,637,745 km (0.066 R)
• M12: 6,071,280 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.6

Radius: 14.2

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.89 AU - 1.15 AU

Year: 676 Days

Day: 13.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,503,581 km

• M1: 176,675 km (0.112 R)
• M2: 737,518 km (0.087 R)
• M3: 1,383,631 km (0.114 R)
• M4: 2,126,833 km (0.053 R)
• M5: 2,750,357 km (0.047 R)
• M6: 3,266,918 km (0.077 R)
• M7: 3,790,062 km (0.088 R)
• M8: 4,850,711 km (0.112 R)
• M9: 5,294,119 km (0.112 R)
• M10: 5,745,456 km (0.1 R)
• M11: 6,534,136 km (0.085 R)
• M12: 7,325,209 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.6

Radius: 8

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.03 AU - 1.23 AU

Year: 788 Days

Day: 9.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,503,581 km

• M1: 99,483 km (0.114 R)
• M2: 361,279 km (0.067 R)
• M3: 623,823 km (0.093 R)
• M4: 988,543 km (0.1 R)
• M5: 1,367,025 km (0.111 R)
• M6: 1,640,341 km (0.113 R)
• M7: 1,950,307 km (0.104 R)
• M8: 2,280,021 km (0.087 R)
• M9: 2,582,957 km (0.034 R)
• M10: 3,233,259 km (0.115 R)
• M11: 3,630,441 km (0.105 R)
• M12: 4,103,170 km (0.067 R)
• M13: 5,070,321 km (0.077 R)
• M14: 5,412,601 km (0.034 R)
• M15: 5,752,038 km (0.099 R)
• M16: 6,316,770 km (0.087 R)
• M17: 6,733,849 km (0.077 R)
• M18: 7,021,974 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.9

Radius: 11.9

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.81 AU - 3.03 AU

Year: 3273 Days

Day: 9.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,503,581 km

• M1: 147,952 km (0.106 R)
• M2: 780,901 km (0.061 R)
• M3: 1,958,087 km (0.032 R)
• M4: 2,776,387 km (0.112 R)
• M5: 4,236,462 km (0.118 R)
• M6: 4,742,103 km (0.029 R)
• M7: 5,576,410 km (0.103 R)
• M8: 6,156,551 km (0.066 R)
• M9: 8,635,387 km (0.1 R)
• M10: 10,156,798 km (0.119 R)
• M11: 12,029,015 km (0.104 R)
• M12: 12,530,916 km (0.094 R)
• M13: 13,822,544 km (0.116 R)
• M14: 15,043,412 km (0.094 R)
• M15: 16,725,042 km (0.118 R)
• M16: 17,933,344 km (0.086 R)
• M17: 18,953,452 km (0.091 R)
• M18: 20,717,360 km (0.109 R)
• M19: 21,240,803 km (0.096 R)
• M20: 22,110,266 km (0.1 R)
• M21: 23,282,814 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.1

Radius: 9.7

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.01 AU - 3.39 AU

Year: 3755 Days

Day: 14.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,503,581 km

• M1: 121,324 km (0.111 R)
• M2: 723,754 km (0.071 R)
• M3: 1,110,615 km (0.105 R)
• M4: 1,624,633 km (0.054 R)
• M5: 2,087,788 km (0.107 R)
• M6: 3,034,144 km (0.106 R)
• M7: 4,386,509 km (0.086 R)
• M8: 5,601,094 km (0.081 R)
• M9: 6,663,388 km (0.113 R)
• M10: 7,641,758 km (0.097 R)
• M11: 8,484,742 km (0.087 R)
• M12: 10,541,414 km (0.11 R)
• M13: 10,843,751 km (0.103 R)
• M14: 12,277,048 km (0.12 R)
• M15: 12,996,016 km (0.078 R)
• M16: 13,787,688 km (0.098 R)
• M17: 15,418,753 km (0.076 R)
• M18: 15,907,490 km (0.107 R)
• M19: 16,507,527 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.2

Radius: 10.4

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.86 AU - 4.2 AU

Year: 5307 Days

Day: 12.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,503,581 km

• M1: 129,701 km (0.118 R)
• M2: 486,043 km (0.066 R)
• M3: 906,713 km (0.087 R)
• M4: 1,376,600 km (0.104 R)
• M5: 1,733,241 km (0.112 R)
• M6: 2,338,364 km (0.087 R)
• M7: 2,871,382 km (0.078 R)
• M8: 3,420,855 km (0.089 R)
• M9: 4,015,955 km (0.106 R)
• M10: 5,674,247 km (0.104 R)
• M11: 6,035,825 km (0.101 R)
• M12: 6,606,990 km (0.033 R)
• M13: 6,939,696 km (0.032 R)
• M14: 7,820,827 km (0.034 R)
• M15: 8,461,555 km (0.099 R)
• M16: 9,095,999 km (0.073 R)
• M17: 10,063,449 km (0.077 R)
• M18: 11,907,392 km (0.088 R)
• M19: 12,909,249 km (0.115 R)
• M20: 13,536,812 km (0.064 R)
• M21: 16,737,907 km (0.041 R)
• M22: 17,358,290 km (0.092 R)
• M23: 20,202,444 km (0.047 R)
• M24: 20,552,055 km (0.032 R)
• M25: 26,295,117 km (0.034 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.6

Radius: 14.8

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.5 AU - 7.08 AU

Year: 9140 Days

Day: 7.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,503,581 km

• M1: 184,005 km (0.056 R)
• M2: 757,863 km (0.08 R)
• M3: 1,384,977 km (0.099 R)
• M4: 2,515,937 km (0.097 R)
• M5: 3,303,420 km (0.12 R)
• M6: 4,548,673 km (0.062 R)
• M7: 6,829,442 km (0.087 R)
• M8: 8,116,283 km (0.101 R)
• M9: 9,421,225 km (0.109 R)
• M10: 9,981,020 km (0.038 R)
• M11: 11,478,046 km (0.085 R)
• M12: 12,009,119 km (0.099 R)
• M13: 13,006,338 km (0.101 R)
• M14: 13,938,482 km (0.06 R)
• M15: 14,728,359 km (0.064 R)
• M16: 15,483,679 km (0.082 R)
• M17: 16,531,014 km (0.109 R)
• M18: 17,625,023 km (0.068 R)
• M19: 18,332,920 km (0.093 R)
• M20: 22,488,749 km (0.1 R)
• M21: 25,674,735 km (0.073 R)
• M22: 26,309,628 km (0.074 R)
• M23: 30,141,278 km (0.107 R)
• M24: 30,746,402 km (0.109 R)
• M25: 32,085,452 km (0.085 R)
• M26: 33,248,576 km (0.089 R)
• M27: 34,221,111 km (0.074 R)
• M28: 34,990,493 km (0.114 R)
• M29: 38,183,809 km (0.03 R)
• M30: 40,948,677 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 161.8

Radius: 8

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.87 AU - 7.49 AU

Year: 11326 Days

Day: 24.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 63,503,581 km

• M1: 100,380 km (0.048 R)
• M2: 526,734 km (0.085 R)
• M3: 858,243 km (0.089 R)
• M4: 1,141,282 km (0.12 R)
• M5: 2,215,844 km (0.116 R)
• M6: 2,545,857 km (0.086 R)
• M7: 3,182,844 km (0.088 R)
• M8: 3,626,851 km (0.112 R)
• M9: 3,968,682 km (0.105 R)
• M10: 5,615,904 km (0.115 R)
• M11: 5,918,989 km (0.069 R)
• M12: 6,329,187 km (0.085 R)
• M13: 6,691,064 km (0.086 R)
• M14: 9,284,792 km (0.096 R)
• M15: 10,146,625 km (0.108 R)
• M16: 10,734,844 km (0.082 R)
• M17: 12,078,831 km (0.076 R)
• M18: 13,639,436 km (0.072 R)
• M19: 15,271,699 km (0.08 R)
• M20: 16,593,695 km (0.066 R)
• M21: 18,186,763 km (0.081 R)
• M22: 18,717,536 km (0.073 R)
• M23: 21,380,079 km (0.1 R)
• M24: 22,421,579 km (0.119 R)
• M25: 22,954,896 km (0.047 R)
• M26: 25,748,935 km (0.098 R)
• M27: 28,229,567 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 528.6

Radius: 3.9

Gravity: 34.75 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.81 AU - 10.95 AU

Year: 17359 Days

Day: 18.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,503,581 km

• M1: 48,470 km (0.077 R)
• M2: 184,753 km (0.108 R)
• M3: 323,281 km (0.117 R)
• M4: 742,753 km (0.066 R)
• M5: 914,791 km (0.048 R)
• M6: 1,176,737 km (0.037 R)
• M7: 2,586,846 km (0.045 R)
• M8: 3,058,678 km (0.102 R)
• M9: 3,448,530 km (0.055 R)
• M10: 4,486,141 km (0.084 R)
• M11: 5,490,840 km (0.11 R)
• M12: 6,025,802 km (0.06 R)
• M13: 8,318,240 km (0.119 R)
• M14: 11,311,993 km (0.106 R)
• M15: 12,049,061 km (0.096 R)
• M16: 13,482,508 km (0.101 R)
• M17: 13,754,776 km (0.111 R)
• M18: 16,066,811 km (0.101 R)
• M19: 16,839,335 km (0.072 R)
• M20: 17,075,849 km (0.052 R)
• M21: 19,133,418 km (0.099 R)
• M22: 20,266,024 km (0.12 R)
• M23: 24,030,205 km (0.067 R)
• M24: 24,733,614 km (0.118 R)
• M25: 25,866,369 km (0.061 R)
• M26: 26,711,747 km (0.094 R)
• M27: 34,780,159 km (0.089 R)
• M28: 35,939,243 km (0.104 R)
• M29: 37,793,060 km (0.102 R)
• M30: 41,260,140 km (0.089 R)
• M31: 43,586,836 km (0.049 R)
• M32: 52,417,598 km (0.095 R)
• M33: 56,365,187 km (0.031 R)
• M34: 58,501,295 km (0.09 R)
• M35: 59,225,049 km (0.115 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 12,528 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit