🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.9

Radius: 12.5

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.64 AU - 1 AU

Year: 504 Days

Day: 14.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,054,233 km

• M1: 155,432 km (0.081 R)
• M2: 554,410 km (0.11 R)
• M3: 957,426 km (0.081 R)
• M4: 1,361,490 km (0.088 R)
• M5: 2,827,699 km (0.117 R)
• M6: 3,270,509 km (0.11 R)
• M7: 3,665,148 km (0.109 R)
• M8: 4,066,369 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.5

Radius: 8.6

Gravity: 7.59 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.73 AU - 0.97 AU

Year: 532 Days

Day: 12.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,054,233 km

• M1: 106,962 km (0.115 R)
• M2: 443,707 km (0.052 R)
• M3: 988,692 km (0.119 R)
• M4: 1,329,775 km (0.085 R)
• M5: 1,733,690 km (0.101 R)
• M6: 2,015,831 km (0.099 R)
• M7: 2,768,907 km (0.091 R)
• M8: 3,111,337 km (0.089 R)
• M9: 3,519,440 km (0.102 R)
• M10: 3,949,384 km (0.113 R)
• M11: 4,977,720 km (0.117 R)
• M12: 5,301,898 km (0.074 R)
• M13: 5,605,731 km (0.107 R)
• M14: 5,992,891 km (0.077 R)
• M15: 6,341,603 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.7

Radius: 11.3

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.68 AU - 1.08 AU

Year: 560 Days

Day: 7.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,054,233 km

• M1: 140,472 km (0.076 R)
• M2: 515,813 km (0.118 R)
• M3: 1,111,213 km (0.026 R)
• M4: 1,566,140 km (0.088 R)
• M5: 2,075,072 km (0.099 R)
• M6: 2,500,080 km (0.113 R)
• M7: 2,873,027 km (0.097 R)
• M8: 3,811,903 km (0.085 R)
• M9: 4,180,961 km (0.058 R)
• M10: 4,896,937 km (0.096 R)
• M11: 5,251,484 km (0.076 R)
• M12: 6,140,245 km (0.092 R)
• M13: 6,495,988 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.6

Radius: 11

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.85 AU - 1.21 AU

Year: 709 Days

Day: 13.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,054,233 km

• M1: 136,882 km (0.111 R)
• M2: 633,996 km (0.064 R)
• M3: 980,764 km (0.118 R)
• M4: 1,373,009 km (0.104 R)
• M5: 2,047,546 km (0.118 R)
• M6: 2,478,837 km (0.059 R)
• M7: 3,730,971 km (0.088 R)
• M8: 4,418,523 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.4

Radius: 12.5

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.08 AU - 1.2 AU

Year: 826 Days

Day: 14.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,054,233 km

• M1: 155,582 km (0.032 R)
• M2: 625,917 km (0.11 R)
• M3: 1,840,802 km (0.089 R)
• M4: 2,442,634 km (0.085 R)
• M5: 3,016,043 km (0.11 R)
• M6: 3,692,823 km (0.115 R)
• M7: 5,782,706 km (0.118 R)
• M8: 6,259,474 km (0.12 R)
• M9: 6,920,697 km (0.03 R)
• M10: 7,458,950 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.8

Radius: 14.1

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 2.44 AU - 3.68 AU

Year: 3631 Days

Day: 8.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,054,233 km

• M1: 175,478 km (0.093 R)
• M2: 1,024,895 km (0.057 R)
• M3: 1,489,247 km (0.118 R)
• M4: 1,979,180 km (0.107 R)
• M5: 2,921,198 km (0.116 R)
• M6: 3,583,617 km (0.115 R)
• M7: 4,232,872 km (0.11 R)
• M8: 4,837,098 km (0.113 R)
• M9: 5,471,841 km (0.11 R)
• M10: 6,161,936 km (0.119 R)
• M11: 6,633,618 km (0.047 R)
• M12: 8,767,632 km (0.089 R)
• M13: 9,366,023 km (0.114 R)
• M14: 10,770,448 km (0.089 R)
• M15: 11,722,639 km (0.103 R)
• M16: 12,219,304 km (0.1 R)
• M17: 15,234,449 km (0.047 R)
• M18: 16,211,472 km (0.062 R)
• M19: 17,696,082 km (0.096 R)
• M20: 19,269,702 km (0.114 R)
• M21: 20,412,480 km (0.096 R)
• M22: 21,465,798 km (0.062 R)
• M23: 22,210,796 km (0.096 R)
• M24: 23,396,060 km (0.115 R)
• M25: 24,112,634 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.6

Radius: 5.5

Gravity: 19.33 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 5.43 AU - 7.07 AU

Year: 10598 Days

Day: 18.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,054,233 km

• M1: 71,059 km (0.069 R)
• M2: 423,661 km (0.117 R)
• M3: 605,871 km (0.092 R)
• M4: 1,329,925 km (0.073 R)
• M5: 1,600,398 km (0.101 R)
• M6: 1,779,766 km (0.033 R)
• M7: 2,637,560 km (0.094 R)
• M8: 3,640,165 km (0.082 R)
• M9: 3,873,089 km (0.105 R)
• M10: 4,813,311 km (0.083 R)
• M11: 5,158,135 km (0.099 R)
• M12: 6,291,638 km (0.117 R)
• M13: 6,665,782 km (0.049 R)
• M14: 7,335,532 km (0.113 R)
• M15: 7,707,731 km (0.079 R)
• M16: 8,049,113 km (0.096 R)
• M17: 8,311,807 km (0.06 R)
• M18: 11,207,124 km (0.109 R)
• M19: 11,700,797 km (0.058 R)
• M20: 13,028,479 km (0.101 R)
• M21: 13,390,655 km (0.065 R)
• M22: 13,574,361 km (0.032 R)
• M23: 14,262,063 km (0.102 R)
• M24: 18,502,414 km (0.102 R)
• M25: 20,057,185 km (0.063 R)
• M26: 21,529,228 km (0.082 R)
• M27: 29,564,578 km (0.065 R)
• M28: 31,037,369 km (0.035 R)
• M29: 35,513,787 km (0.102 R)
• M30: 36,816,186 km (0.09 R)
• M31: 37,661,414 km (0.101 R)
• M32: 38,396,089 km (0.08 R)
• M33: 39,015,573 km (0.091 R)
• M34: 46,136,731 km (0.04 R)

Asteroid Belt

Center: 7.01 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 467.4

Radius: 4

Gravity: 29.21 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 7.61 AU - 7.93 AU

Year: 14690 Days

Day: 15 Hours

Environment

Temp: -236 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,054,233 km

• M1: 53,855 km (0.057 R)
• M2: 205,697 km (0.086 R)
• M3: 411,693 km (0.062 R)
• M4: 637,885 km (0.113 R)
• M5: 1,297,762 km (0.081 R)
• M6: 11,995,206 km (0.098 R)
• M7: 12,234,563 km (0.114 R)
• M8: 15,571,044 km (0.062 R)
• M9: 15,713,012 km (0.101 R)
• M10: 17,561,294 km (0.11 R)
• M11: 24,536,893 km (0.112 R)
• M12: 30,865,182 km (0.086 R)
• M13: 40,566,604 km (0.111 R)
• M14: 45,446,038 km (0.037 R)
• M15: 45,736,108 km (0.11 R)
• M16: 46,466,744 km (0.101 R)
• M17: 47,353,560 km (0.053 R)
• M18: 51,484,706 km (0.095 R)
• M19: 54,042,680 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.5

Radius: 4.9

Gravity: 14.81 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.04 AU - 8.7 AU

Year: 14975 Days

Day: 21.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 62,054,233 km

• M1: 61,186 km (0.084 R)
• M2: 259,552 km (0.116 R)
• M3: 977,024 km (0.082 R)
• M4: 1,695,542 km (0.102 R)
• M5: 2,146,879 km (0.093 R)
• M6: 2,890,081 km (0.051 R)
• M7: 5,389,862 km (0.091 R)
• M8: 6,021,763 km (0.103 R)
• M9: 10,350,677 km (0.062 R)
• M10: 11,660,556 km (0.095 R)
• M11: 12,893,990 km (0.091 R)
• M12: 13,323,635 km (0.073 R)
• M13: 13,510,782 km (0.08 R)
• M14: 15,616,971 km (0.101 R)
• M15: 17,333,456 km (0.088 R)
• M16: 19,650,728 km (0.025 R)
• M17: 21,305,280 km (0.056 R)
• M18: 21,905,766 km (0.101 R)
• M19: 22,782,858 km (0.118 R)
• M20: 24,234,705 km (0.107 R)
• M21: 24,794,800 km (0.118 R)
• M22: 25,650,799 km (0.104 R)
• M23: 28,029,854 km (0.081 R)
• M24: 31,315,023 km (0.05 R)
• M25: 34,495,025 km (0.119 R)
• M26: 37,510,320 km (0.093 R)
• M27: 39,273,331 km (0.037 R)
• M28: 40,305,257 km (0.065 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.4

Radius: 5.5

Gravity: 17.27 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.36 AU - 9.68 AU

Year: 16867 Days

Day: 23.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,054,233 km

• M1: 69,563 km (0.097 R)
• M2: 265,237 km (0.113 R)
• M3: 626,217 km (0.111 R)
• M4: 1,443,769 km (0.115 R)
• M5: 1,844,392 km (0.095 R)
• M6: 2,215,993 km (0.076 R)
• M7: 2,398,802 km (0.05 R)
• M8: 3,661,109 km (0.095 R)
• M9: 3,859,625 km (0.105 R)
• M10: 8,051,357 km (0.074 R)
• M11: 8,290,864 km (0.109 R)
• M12: 8,986,793 km (0.062 R)
• M13: 11,071,140 km (0.049 R)
• M14: 13,323,934 km (0.06 R)
• M15: 24,680,806 km (0.063 R)
• M16: 30,746,102 km (0.092 R)
• M17: 34,120,582 km (0.068 R)
• M18: 40,186,476 km (0.058 R)
• M19: 43,472,543 km (0.116 R)
• M20: 49,927,093 km (0.097 R)
• M21: 51,882,187 km (0.065 R)
• M22: 53,045,909 km (0.03 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 15,817 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit