🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.2

Radius: 10

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.88 AU - 1.28 AU

Year: 761 Days

Day: 12 Hours

Environment

Temp: -169 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,510,574 km

• M1: 133,591 km (0.117 R)
• M2: 625,618 km (0.108 R)
• M3: 1,092,513 km (0.096 R)
• M4: 1,582,297 km (0.101 R)
• M5: 2,083,450 km (0.096 R)
• M6: 2,560,667 km (0.089 R)
• M7: 3,201,993 km (0.092 R)
• M8: 4,663,863 km (0.089 R)
• M9: 6,703,181 km (0.094 R)
• M10: 7,364,404 km (0.093 R)
• M11: 7,919,262 km (0.049 R)
• M12: 8,321,382 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241

Radius: 8.8

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.16 AU - 1.8 AU

Year: 1221 Days

Day: 12.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 107.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,510,574 km

• M1: 109,506 km (0.111 R)
• M2: 515,813 km (0.105 R)
• M3: 819,198 km (0.101 R)
• M4: 1,136,944 km (0.108 R)
• M5: 1,680,283 km (0.1 R)
• M6: 2,739,885 km (0.102 R)
• M7: 3,535,596 km (0.106 R)
• M8: 4,397,280 km (0.114 R)
• M9: 5,559,506 km (0.109 R)
• M10: 7,634,578 km (0.078 R)
• M11: 7,964,740 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.6

Radius: 14

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.92 AU - 3.82 AU

Year: 4196 Days

Day: 6.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,510,574 km

• M1: 174,132 km (0.085 R)
• M2: 935,136 km (0.074 R)
• M3: 2,487,813 km (0.099 R)
• M4: 2,951,267 km (0.096 R)
• M5: 3,490,717 km (0.095 R)
• M6: 5,946,366 km (0.098 R)
• M7: 6,589,188 km (0.091 R)
• M8: 7,518,191 km (0.085 R)
• M9: 8,867,863 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.6

Radius: 13.3

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.23 AU - 4.31 AU

Year: 5985 Days

Day: 12.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,510,574 km

• M1: 165,455 km (0.071 R)
• M2: 693,985 km (0.119 R)
• M3: 1,145,920 km (0.053 R)
• M4: 1,674,449 km (0.06 R)
• M5: 2,135,210 km (0.119 R)
• M6: 3,180,900 km (0.049 R)
• M7: 4,320,686 km (0.09 R)
• M8: 6,047,344 km (0.112 R)
• M9: 8,657,079 km (0.108 R)
• M10: 9,298,854 km (0.102 R)
• M11: 11,415,963 km (0.065 R)
• M12: 12,943,657 km (0.088 R)
• M13: 13,411,748 km (0.099 R)
• M14: 16,281,484 km (0.107 R)
• M15: 17,198,070 km (0.11 R)
• M16: 17,764,448 km (0.106 R)
• M17: 20,433,424 km (0.057 R)
• M18: 21,069,065 km (0.034 R)
• M19: 21,572,312 km (0.1 R)
• M20: 22,753,238 km (0.11 R)
• M21: 23,283,113 km (0.051 R)
• M22: 25,163,110 km (0.114 R)
• M23: 28,781,134 km (0.086 R)
• M24: 30,030,277 km (0.09 R)
• M25: 30,668,162 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 863.2

Radius: 5.6

Gravity: 27.53 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.85 AU - 6.35 AU

Year: 10218 Days

Day: 17.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 68,510,574 km

• M1: 69,862 km (0.061 R)
• M2: 280,496 km (0.089 R)
• M3: 831,615 km (0.107 R)
• M4: 2,167,972 km (0.072 R)
• M5: 5,620,691 km (0.098 R)
• M6: 7,790,908 km (0.074 R)
• M7: 8,607,861 km (0.061 R)
• M8: 10,041,907 km (0.112 R)
• M9: 11,063,361 km (0.115 R)
• M10: 11,859,222 km (0.113 R)
• M11: 14,079,852 km (0.102 R)
• M12: 14,342,546 km (0.107 R)
• M13: 16,929,692 km (0.083 R)
• M14: 18,371,965 km (0.097 R)
• M15: 19,976,552 km (0.057 R)
• M16: 20,728,281 km (0.102 R)
• M17: 26,129,063 km (0.042 R)
• M18: 29,846,570 km (0.075 R)
• M19: 37,424,151 km (0.104 R)
• M20: 39,990,503 km (0.059 R)
• M21: 43,084,187 km (0.066 R)
• M22: 50,812,712 km (0.112 R)
• M23: 51,741,864 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 51.9

Radius: 7.8

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 7.75 AU - 8.89 AU

Year: 16277 Days

Day: 23.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,510,574 km

• M1: 96,939 km (0.103 R)
• M2: 348,713 km (0.088 R)
• M3: 1,296,116 km (0.067 R)
• M4: 2,228,859 km (0.102 R)
• M5: 2,784,016 km (0.1 R)
• M6: 5,553,971 km (0.065 R)
• M7: 6,168,519 km (0.098 R)
• M8: 8,248,079 km (0.071 R)
• M9: 8,969,140 km (0.095 R)
• M10: 11,430,624 km (0.116 R)
• M11: 13,886,722 km (0.091 R)
• M12: 14,203,271 km (0.11 R)
• M13: 14,470,752 km (0.07 R)
• M14: 15,574,485 km (0.079 R)
• M15: 16,089,101 km (0.095 R)
• M16: 16,555,996 km (0.119 R)
• M17: 16,852,499 km (0.067 R)
• M18: 23,475,945 km (0.107 R)
• M19: 25,940,420 km (0.119 R)
• M20: 26,744,659 km (0.091 R)
• M21: 27,898,208 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 766.8

Radius: 6.4

Gravity: 18.72 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.23 AU - 10.01 AU

Year: 18680 Days

Day: 24.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,510,574 km

• M1: 79,586 km (0.091 R)
• M2: 647,460 km (0.116 R)
• M3: 1,329,925 km (0.105 R)
• M4: 1,682,378 km (0.087 R)
• M5: 2,765,017 km (0.109 R)
• M6: 3,257,643 km (0.115 R)
• M7: 5,015,269 km (0.115 R)
• M8: 5,706,560 km (0.077 R)
• M9: 9,005,941 km (0.119 R)
• M10: 9,449,350 km (0.088 R)
• M11: 9,676,589 km (0.114 R)
• M12: 17,535,114 km (0.112 R)
• M13: 19,388,183 km (0.107 R)
• M14: 24,317,732 km (0.113 R)
• M15: 24,960,255 km (0.089 R)
• M16: 26,503,357 km (0.045 R)
• M17: 32,020,527 km (0.102 R)
• M18: 32,792,302 km (0.062 R)
• M19: 39,564,747 km (0.088 R)
• M20: 47,212,789 km (0.064 R)
• M21: 55,053,363 km (0.1 R)
• M22: 55,604,930 km (0.069 R)
• M23: 56,346,038 km (0.094 R)
• M24: 56,906,282 km (0.098 R)
• M25: 59,184,209 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 539.2

Radius: 4.4

Gravity: 27.85 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 7.91 AU - 10.95 AU

Year: 19641 Days

Day: 20.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,510,574 km

• M1: 54,902 km (0.049 R)
• M2: 261,796 km (0.101 R)
• M3: 669,899 km (0.091 R)
• M4: 1,049,878 km (0.117 R)
• M5: 1,927,269 km (0.114 R)
• M6: 3,079,622 km (0.085 R)
• M7: 4,168,844 km (0.112 R)
• M8: 4,361,676 km (0.041 R)
• M9: 5,454,338 km (0.115 R)
• M10: 5,646,272 km (0.093 R)
• M11: 6,938,499 km (0.05 R)
• M12: 7,440,848 km (0.077 R)
• M13: 8,569,116 km (0.079 R)
• M14: 9,200,867 km (0.056 R)
• M15: 10,675,154 km (0.095 R)
• M16: 13,239,860 km (0.119 R)
• M17: 13,727,400 km (0.113 R)
• M18: 15,489,513 km (0.069 R)
• M19: 17,150,349 km (0.049 R)
• M20: 20,635,381 km (0.111 R)
• M21: 22,152,303 km (0.097 R)
• M22: 23,438,246 km (0.097 R)
• M23: 24,254,004 km (0.081 R)
• M24: 27,818,921 km (0.043 R)
• M25: 30,141,129 km (0.109 R)
• M26: 30,500,313 km (0.113 R)
• M27: 31,105,137 km (0.073 R)
• M28: 34,379,835 km (0.081 R)
• M29: 39,854,967 km (0.097 R)
• M30: 42,798,455 km (0.115 R)
• M31: 48,619,607 km (0.072 R)
• M32: 51,804,097 km (0.096 R)
• M33: 55,482,409 km (0.108 R)
• M34: 60,462,523 km (0.106 R)
• M35: 64,734,290 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 472

Radius: 6.2

Gravity: 12.28 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.62 AU - 11.84 AU

Year: 20585 Days

Day: 23.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,510,574 km

• M1: 88,562 km (0.115 R)
• M2: 331,958 km (0.097 R)
• M3: 2,838,620 km (0.063 R)
• M4: 3,377,621 km (0.103 R)
• M5: 3,802,628 km (0.093 R)
• M6: 5,147,214 km (0.072 R)
• M7: 8,276,951 km (0.059 R)
• M8: 10,497,731 km (0.116 R)
• M9: 11,033,441 km (0.092 R)
• M10: 14,492,294 km (0.099 R)
• M11: 16,784,432 km (0.066 R)
• M12: 20,201,996 km (0.049 R)
• M13: 24,158,560 km (0.061 R)
• M14: 39,065,240 km (0.09 R)
• M15: 59,868,918 km (0.068 R)
• M16: 63,896,392 km (0.117 R)
• M17: 67,489,135 km (0.08 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: 417 - 19,608 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit