🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.8

Radius: 12.8

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.49 AU - 0.65 AU

Year: 302 Days

Day: 11.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,387,339 km

• M1: 159,172 km (0.067 R)
• M2: 624,272 km (0.07 R)
• M3: 1,034,020 km (0.049 R)
• M4: 1,550,283 km (0.113 R)
• M5: 1,983,518 km (0.086 R)
• M6: 2,465,822 km (0.108 R)
• M7: 3,692,524 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.1

Radius: 8.5

Gravity: 11.25 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.46 AU - 0.72 AU

Year: 319 Days

Day: 13.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,387,339 km

• M1: 105,766 km (0.061 R)
• M2: 384,167 km (0.059 R)
• M3: 689,646 km (0.078 R)
• M4: 992,283 km (0.096 R)
• M5: 1,301,801 km (0.088 R)
• M6: 1,767,948 km (0.061 R)
• M7: 2,350,482 km (0.073 R)
• M8: 2,711,013 km (0.037 R)
• M9: 3,315,687 km (0.082 R)
• M10: 3,746,529 km (0.099 R)
• M11: 4,307,072 km (0.066 R)
• M12: 4,692,137 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.7

Radius: 14.5

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.86 AU - 0.98 AU

Year: 620 Days

Day: 14.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,387,339 km

• M1: 180,714 km (0.114 R)
• M2: 789,278 km (0.053 R)
• M3: 1,542,803 km (0.099 R)
• M4: 2,110,228 km (0.117 R)
• M5: 3,313,892 km (0.107 R)
• M6: 3,869,648 km (0.118 R)
• M7: 4,638,432 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.4

Radius: 14.8

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.26 AU - 1.42 AU

Year: 1090 Days

Day: 9.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,387,339 km

• M1: 184,454 km (0.085 R)
• M2: 672,592 km (0.117 R)
• M3: 1,359,695 km (0.087 R)
• M4: 3,016,491 km (0.092 R)
• M5: 3,793,353 km (0.105 R)
• M6: 4,389,052 km (0.095 R)
• M7: 5,246,697 km (0.081 R)
• M8: 7,579,825 km (0.055 R)
• M9: 8,361,923 km (0.081 R)
• M10: 9,712,642 km (0.093 R)
• M11: 10,247,155 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.9

Radius: 12.1

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.08 AU - 2.3 AU

Year: 2278 Days

Day: 12 Hours

Environment

Temp: -195 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,387,339 km

• M1: 150,645 km (0.081 R)
• M2: 620,382 km (0.064 R)
• M3: 1,286,392 km (0.047 R)
• M4: 2,381,897 km (0.05 R)
• M5: 3,855,137 km (0.079 R)
• M6: 4,862,529 km (0.107 R)
• M7: 8,718,265 km (0.113 R)
• M8: 10,409,169 km (0.067 R)
• M9: 11,911,880 km (0.112 R)
• M10: 12,592,550 km (0.1 R)
• M11: 13,046,729 km (0.068 R)
• M12: 13,640,633 km (0.084 R)
• M13: 15,019,776 km (0.06 R)
• M14: 16,294,948 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.5

Radius: 10.2

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.53 AU - 2.67 AU

Year: 2947 Days

Day: 7.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,387,339 km

• M1: 129,402 km (0.104 R)
• M2: 801,396 km (0.064 R)
• M3: 1,483,113 km (0.103 R)
• M4: 2,703,234 km (0.118 R)
• M5: 3,106,699 km (0.029 R)
• M6: 3,569,555 km (0.074 R)
• M7: 5,240,563 km (0.026 R)
• M8: 5,602,590 km (0.1 R)
• M9: 5,953,696 km (0.05 R)
• M10: 6,611,179 km (0.109 R)
• M11: 7,284,668 km (0.103 R)
• M12: 7,802,576 km (0.112 R)
• M13: 10,006,302 km (0.048 R)
• M14: 14,468,208 km (0.083 R)
• M15: 17,642,675 km (0.107 R)
• M16: 20,104,458 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.1

Radius: 9.2

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.39 AU - 2.89 AU

Year: 3015 Days

Day: 9.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,387,339 km

• M1: 134,339 km (0.073 R)
• M2: 438,172 km (0.076 R)
• M3: 772,673 km (0.035 R)
• M4: 1,065,586 km (0.109 R)
• M5: 1,650,513 km (0.097 R)
• M6: 2,409,423 km (0.078 R)
• M7: 3,266,170 km (0.066 R)
• M8: 3,646,897 km (0.064 R)
• M9: 8,058,688 km (0.093 R)
• M10: 10,751,749 km (0.096 R)
• M11: 11,323,661 km (0.119 R)
• M12: 15,958,054 km (0.12 R)
• M13: 17,314,009 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852

Radius: 12.8

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.58 AU - 5.82 AU

Year: 7162 Days

Day: 11.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 70,387,339 km

• M1: 159,172 km (0.059 R)
• M2: 633,697 km (0.118 R)
• M3: 1,161,777 km (0.079 R)
• M4: 1,746,406 km (0.048 R)
• M5: 2,207,765 km (0.103 R)
• M6: 3,337,080 km (0.081 R)
• M7: 4,212,676 km (0.118 R)
• M8: 5,806,641 km (0.113 R)
• M9: 7,186,532 km (0.045 R)
• M10: 8,262,739 km (0.077 R)
• M11: 8,818,046 km (0.032 R)
• M12: 9,398,037 km (0.119 R)
• M13: 10,634,763 km (0.118 R)
• M14: 11,447,977 km (0.106 R)
• M15: 12,084,815 km (0.062 R)
• M16: 13,371,506 km (0.113 R)
• M17: 13,899,138 km (0.115 R)
• M18: 14,747,657 km (0.046 R)
• M19: 15,888,790 km (0.095 R)
• M20: 17,920,479 km (0.098 R)
• M21: 18,925,477 km (0.054 R)
• M22: 22,990,051 km (0.118 R)
• M23: 23,493,747 km (0.102 R)
• M24: 24,522,981 km (0.116 R)
• M25: 26,487,949 km (0.105 R)
• M26: 28,748,821 km (0.095 R)
• M27: 34,301,445 km (0.039 R)
• M28: 34,959,377 km (0.074 R)
• M29: 35,737,585 km (0.036 R)
• M30: 37,791,863 km (0.076 R)
• M31: 40,896,617 km (0.069 R)

Asteroid Belt

Center: 5.08 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 788.8

Radius: 3

Gravity: 87.64 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 4.4 AU - 6.5 AU

Year: 8943 Days

Day: 22.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,387,339 km

• M1: 39,344 km (0.116 R)
• M2: 159,771 km (0.104 R)
• M3: 258,206 km (0.088 R)
• M4: 410,048 km (0.081 R)
• M5: 1,258,118 km (0.056 R)
• M6: 1,901,389 km (0.057 R)
• M7: 2,193,404 km (0.114 R)
• M8: 2,378,606 km (0.112 R)
• M9: 4,006,829 km (0.1 R)
• M10: 4,844,577 km (0.044 R)
• M11: 5,000,010 km (0.095 R)
• M12: 5,190,897 km (0.073 R)
• M13: 5,287,986 km (0.05 R)
• M14: 7,456,855 km (0.119 R)
• M15: 8,989,037 km (0.095 R)
• M16: 9,414,493 km (0.073 R)
• M17: 12,425,599 km (0.109 R)
• M18: 17,868,867 km (0.062 R)
• M19: 21,812,716 km (0.116 R)
• M20: 24,527,917 km (0.081 R)
• M21: 27,953,858 km (0.092 R)
• M22: 29,988,389 km (0.069 R)
• M23: 31,469,857 km (0.116 R)
• M24: 32,119,411 km (0.076 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.2

Radius: 3.8

Gravity: 59.16 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 6.03 AU - 9.99 AU

Year: 15935 Days

Day: 19.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 70,387,339 km

• M1: 49,517 km (0.114 R)
• M2: 201,808 km (0.071 R)
• M3: 340,784 km (0.108 R)
• M4: 717,471 km (0.116 R)
• M5: 995,574 km (0.093 R)
• M6: 1,255,276 km (0.088 R)
• M7: 2,102,448 km (0.118 R)
• M8: 2,910,576 km (0.119 R)
• M9: 3,141,256 km (0.04 R)
• M10: 3,356,527 km (0.052 R)
• M11: 5,111,161 km (0.119 R)
• M12: 5,408,861 km (0.12 R)
• M13: 6,039,116 km (0.079 R)
• M14: 6,371,972 km (0.085 R)
• M15: 9,880,640 km (0.116 R)
• M16: 11,184,984 km (0.112 R)
• M17: 17,385,517 km (0.118 R)
• M18: 17,888,016 km (0.066 R)
• M19: 18,057,660 km (0.102 R)
• M20: 18,314,220 km (0.111 R)
• M21: 20,086,506 km (0.114 R)
• M22: 20,269,763 km (0.106 R)
• M23: 22,067,032 km (0.102 R)
• M24: 22,556,965 km (0.118 R)
• M25: 31,910,273 km (0.105 R)
• M26: 32,536,639 km (0.064 R)
• M27: 32,662,900 km (0.067 R)
• M28: 34,334,058 km (0.032 R)
• M29: 34,464,956 km (0.096 R)
• M30: 36,604,355 km (0.097 R)
• M31: 37,015,001 km (0.078 R)
• M32: 39,688,165 km (0.106 R)
• M33: 44,011,694 km (0.063 R)
• M34: 44,943,688 km (0.036 R)
• M35: 46,206,893 km (0.026 R)
• M36: 51,667,813 km (0.107 R)
• M37: 61,120,005 km (0.107 R)
• M38: 62,864,915 km (0.102 R)
• M39: 66,250,763 km (0.049 R)
• M40: 66,860,674 km (0.115 R)
• M41: 67,269,226 km (0.111 R)
• M42: 67,885,419 km (0.115 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 13,354 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit