🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.2

Radius: 12.4

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.58 AU - 0.76 AU

Year: 366 Days

Day: 6.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,160,727 km

• M1: 154,235 km (0.061 R)
• M2: 605,123 km (0.106 R)
• M3: 1,149,360 km (0.079 R)
• M4: 1,797,418 km (0.089 R)
• M5: 2,370,677 km (0.072 R)
• M6: 3,784,677 km (0.112 R)
• M7: 4,272,216 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.9

Radius: 14.8

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.61 AU - 0.73 AU

Year: 366 Days

Day: 7.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,160,727 km

• M1: 184,005 km (0.071 R)
• M2: 647,908 km (0.071 R)
• M3: 1,125,724 km (0.119 R)
• M4: 1,587,981 km (0.027 R)
• M5: 2,299,020 km (0.099 R)
• M6: 2,959,495 km (0.094 R)
• M7: 4,084,321 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.8

Radius: 14.9

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.81 AU - 0.97 AU

Year: 560 Days

Day: 11.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 91.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,160,727 km

• M1: 192,383 km (0.065 R)
• M2: 676,182 km (0.107 R)
• M3: 1,150,557 km (0.09 R)
• M4: 1,706,164 km (0.104 R)
• M5: 2,489,009 km (0.047 R)
• M6: 3,056,733 km (0.045 R)
• M7: 3,624,008 km (0.114 R)
• M8: 4,316,946 km (0.072 R)
• M9: 5,238,618 km (0.109 R)
• M10: 5,712,993 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.1

Radius: 9.9

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.71 AU - 1.13 AU

Year: 588 Days

Day: 13.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,160,727 km

• M1: 123,119 km (0.062 R)
• M2: 491,878 km (0.072 R)
• M3: 990,936 km (0.11 R)
• M4: 1,909,467 km (0.108 R)
• M5: 2,228,859 km (0.102 R)
• M6: 2,671,369 km (0.085 R)
• M7: 2,998,540 km (0.063 R)
• M8: 3,685,194 km (0.086 R)
• M9: 4,185,300 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.3

Radius: 9.7

Gravity: 9.18 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.29 AU - 1.41 AU

Year: 1046 Days

Day: 12.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,160,727 km

• M1: 120,576 km (0.093 R)
• M2: 456,124 km (0.094 R)
• M3: 1,426,266 km (0.119 R)
• M4: 1,823,448 km (0.091 R)
• M5: 3,116,124 km (0.107 R)
• M6: 4,599,835 km (0.108 R)
• M7: 5,664,523 km (0.057 R)
• M8: 7,871,391 km (0.106 R)
• M9: 8,192,727 km (0.072 R)
• M10: 9,537,163 km (0.103 R)
• M11: 10,246,257 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.7

Radius: 13.5

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.24 AU - 1.84 AU

Year: 1274 Days

Day: 9.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,160,727 km

• M1: 167,849 km (0.085 R)
• M2: 636,240 km (0.103 R)
• M3: 1,273,527 km (0.06 R)
• M4: 2,084,347 km (0.115 R)
• M5: 2,555,281 km (0.082 R)
• M6: 3,190,923 km (0.084 R)
• M7: 4,201,157 km (0.104 R)
• M8: 4,781,447 km (0.085 R)
• M9: 5,611,566 km (0.105 R)
• M10: 7,034,690 km (0.078 R)
• M11: 7,681,851 km (0.105 R)
• M12: 8,186,444 km (0.041 R)
• M13: 9,347,025 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486

Radius: 13.6

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.51 AU - 4.37 AU

Year: 5215 Days

Day: 8.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,160,727 km

• M1: 169,195 km (0.071 R)
• M2: 717,023 km (0.1 R)
• M3: 1,475,035 km (0.105 R)
• M4: 2,108,432 km (0.104 R)
• M5: 2,745,271 km (0.104 R)
• M6: 3,651,834 km (0.058 R)
• M7: 5,568,332 km (0.074 R)
• M8: 6,235,389 km (0.108 R)
• M9: 6,955,104 km (0.03 R)
• M10: 8,449,138 km (0.061 R)
• M11: 9,056,505 km (0.114 R)
• M12: 9,652,354 km (0.075 R)
• M13: 10,616,811 km (0.113 R)
• M14: 12,934,381 km (0.091 R)
• M15: 13,794,120 km (0.099 R)
• M16: 14,745,563 km (0.097 R)
• M17: 15,182,239 km (0.084 R)
• M18: 17,016,309 km (0.089 R)
• M19: 17,802,147 km (0.112 R)
• M20: 18,548,790 km (0.065 R)
• M21: 19,251,600 km (0.093 R)
• M22: 21,327,869 km (0.095 R)
• M23: 23,475,646 km (0.038 R)
• M24: 24,754,857 km (0.071 R)
• M25: 27,124,936 km (0.118 R)

Asteroid Belt

Center: 5.13 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.4

Radius: 7.5

Gravity: 16.61 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.54 AU - 7.08 AU

Year: 10570 Days

Day: 23.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,160,727 km

• M1: 93,199 km (0.059 R)
• M2: 398,678 km (0.113 R)
• M3: 933,192 km (0.096 R)
• M4: 2,090,331 km (0.061 R)
• M5: 2,354,521 km (0.117 R)
• M6: 2,997,193 km (0.075 R)
• M7: 3,235,802 km (0.09 R)
• M8: 4,202,354 km (0.117 R)
• M9: 4,784,140 km (0.109 R)
• M10: 5,488,297 km (0.086 R)
• M11: 6,298,220 km (0.1 R)
• M12: 6,772,296 km (0.066 R)
• M13: 7,441,148 km (0.095 R)
• M14: 9,609,419 km (0.078 R)
• M15: 9,920,284 km (0.072 R)
• M16: 11,005,167 km (0.11 R)
• M17: 12,777,902 km (0.1 R)
• M18: 20,476,209 km (0.119 R)
• M19: 22,589,278 km (0.041 R)
• M20: 27,971,810 km (0.103 R)
• M21: 29,903,717 km (0.085 R)
• M22: 31,353,021 km (0.116 R)
• M23: 39,439,833 km (0.116 R)
• M24: 39,704,621 km (0.026 R)
• M25: 45,540,135 km (0.092 R)
• M26: 46,417,826 km (0.11 R)
• M27: 47,905,577 km (0.07 R)
• M28: 54,830,911 km (0.12 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: 472 - 13,558 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit