🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487

Radius: 11.1

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.86 AU - 1.4 AU

Year: 801 Days

Day: 9.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,506,329 km

• M1: 138,079 km (0.1 R)
• M2: 543,489 km (0.11 R)
• M3: 943,963 km (0.072 R)
• M4: 1,430,604 km (0.053 R)
• M5: 1,867,879 km (0.06 R)
• M6: 2,283,312 km (0.111 R)
• M7: 2,840,415 km (0.051 R)
• M8: 3,499,842 km (0.075 R)
• M9: 3,989,476 km (0.114 R)
• M10: 4,524,288 km (0.118 R)
• M11: 4,918,329 km (0.116 R)
• M12: 6,024,605 km (0.102 R)
• M13: 7,157,809 km (0.033 R)
• M14: 7,557,984 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.9

Radius: 14

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.33 AU - 1.53 AU

Year: 1140 Days

Day: 10.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,506,329 km

• M1: 174,132 km (0.102 R)
• M2: 735,423 km (0.097 R)
• M3: 1,223,561 km (0.089 R)
• M4: 1,808,040 km (0.03 R)
• M5: 2,344,498 km (0.12 R)
• M6: 3,498,346 km (0.071 R)
• M7: 4,020,892 km (0.101 R)
• M8: 5,530,633 km (0.108 R)
• M9: 5,971,797 km (0.108 R)
• M10: 6,722,480 km (0.101 R)
• M11: 7,249,513 km (0.101 R)
• M12: 7,754,705 km (0.068 R)
• M13: 8,675,779 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.3

Radius: 8.9

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.43 AU - 1.95 AU

Year: 1465 Days

Day: 8.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 37,506,329 km

• M1: 110,702 km (0.05 R)
• M2: 443,707 km (0.077 R)
• M3: 973,433 km (0.102 R)
• M4: 1,643,781 km (0.088 R)
• M5: 2,090,929 km (0.076 R)
• M6: 2,466,719 km (0.058 R)
• M7: 2,849,391 km (0.108 R)
• M8: 3,704,492 km (0.104 R)
• M9: 5,011,678 km (0.082 R)
• M10: 7,153,471 km (0.074 R)
• M11: 7,611,091 km (0.094 R)
• M12: 9,213,284 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.9

Radius: 11

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.31 AU - 3.71 AU

Year: 4385 Days

Day: 13.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,506,329 km

• M1: 140,024 km (0.06 R)
• M2: 563,834 km (0.069 R)
• M3: 1,134,550 km (0.082 R)
• M4: 1,823,748 km (0.039 R)
• M5: 2,425,580 km (0.11 R)
• M6: 2,908,781 km (0.119 R)
• M7: 3,774,803 km (0.058 R)
• M8: 4,179,465 km (0.105 R)
• M9: 5,229,343 km (0.103 R)
• M10: 6,871,479 km (0.038 R)
• M11: 8,293,856 km (0.062 R)
• M12: 11,316,481 km (0.034 R)
• M13: 15,270,651 km (0.1 R)
• M14: 16,358,976 km (0.077 R)
• M15: 17,440,120 km (0.059 R)
• M16: 20,642,262 km (0.064 R)
• M17: 21,101,378 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.8

Radius: 8

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.78 AU - 5.46 AU

Year: 6622 Days

Day: 7.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 37,506,329 km

• M1: 100,829 km (0.119 R)
• M2: 467,493 km (0.085 R)
• M3: 745,297 km (0.056 R)
• M4: 1,186,760 km (0.115 R)
• M5: 1,473,838 km (0.083 R)
• M6: 1,726,210 km (0.055 R)
• M7: 2,223,024 km (0.088 R)
• M8: 2,700,840 km (0.084 R)
• M9: 3,102,959 km (0.067 R)
• M10: 3,861,420 km (0.117 R)
• M11: 4,791,769 km (0.077 R)
• M12: 6,276,528 km (0.112 R)
• M13: 6,606,840 km (0.049 R)
• M14: 7,705,038 km (0.098 R)
• M15: 8,716,170 km (0.11 R)
• M16: 9,509,189 km (0.039 R)
• M17: 10,670,966 km (0.05 R)
• M18: 11,142,199 km (0.055 R)
• M19: 12,381,019 km (0.031 R)
• M20: 12,796,003 km (0.086 R)
• M21: 13,985,606 km (0.084 R)
• M22: 14,837,865 km (0.088 R)
• M23: 16,272,808 km (0.117 R)
• M24: 18,127,522 km (0.067 R)
• M25: 18,730,551 km (0.111 R)
• M26: 19,071,335 km (0.081 R)
• M27: 19,347,044 km (0.109 R)
• M28: 20,332,595 km (0.054 R)
• M29: 21,574,107 km (0.063 R)
• M30: 22,556,965 km (0.099 R)
• M31: 23,098,360 km (0.095 R)
• M32: 24,287,663 km (0.076 R)
• M33: 25,768,233 km (0.111 R)
• M34: 26,274,772 km (0.115 R)
• M35: 26,702,023 km (0.12 R)
• M36: 26,960,678 km (0.09 R)
• M37: 31,905,336 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.6

Radius: 8

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.91 AU - 6.41 AU

Year: 7816 Days

Day: 14.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,506,329 km

• M1: 101,876 km (0.036 R)
• M2: 441,763 km (0.062 R)
• M3: 730,486 km (0.089 R)
• M4: 1,071,719 km (0.05 R)
• M5: 2,709,367 km (0.079 R)
• M6: 4,740,308 km (0.068 R)
• M7: 5,204,061 km (0.101 R)
• M8: 6,778,429 km (0.068 R)
• M9: 8,489,530 km (0.112 R)
• M10: 9,256,667 km (0.057 R)
• M11: 12,792,413 km (0.083 R)
• M12: 14,518,623 km (0.092 R)
• M13: 20,549,811 km (0.1 R)
• M14: 27,542,913 km (0.12 R)
• M15: 28,504,229 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.9

Radius: 4.9

Gravity: 14.74 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.42 AU - 6.44 AU

Year: 9630 Days

Day: 23.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 37,506,329 km

• M1: 60,886 km (0.118 R)
• M2: 217,216 km (0.098 R)
• M3: 459,714 km (0.106 R)
• M4: 674,537 km (0.118 R)
• M5: 856,747 km (0.098 R)
• M6: 1,468,752 km (0.108 R)
• M7: 1,927,120 km (0.103 R)
• M8: 2,511,748 km (0.111 R)
• M9: 2,776,237 km (0.08 R)
• M10: 3,294,444 km (0.084 R)
• M11: 3,495,953 km (0.06 R)
• M12: 3,850,200 km (0.051 R)
• M13: 5,730,945 km (0.084 R)
• M14: 6,324,998 km (0.107 R)
• M15: 7,790,608 km (0.066 R)
• M16: 8,856,344 km (0.058 R)
• M17: 10,015,727 km (0.079 R)
• M18: 13,406,512 km (0.109 R)
• M19: 18,663,531 km (0.11 R)
• M20: 19,233,050 km (0.07 R)
• M21: 21,240,354 km (0.057 R)
• M22: 22,413,950 km (0.115 R)
• M23: 24,212,116 km (0.112 R)
• M24: 24,380,264 km (0.053 R)
• M25: 24,633,982 km (0.1 R)
• M26: 28,000,533 km (0.081 R)
• M27: 28,558,682 km (0.105 R)
• M28: 29,601,230 km (0.089 R)
• M29: 30,180,473 km (0.118 R)
• M30: 34,448,201 km (0.117 R)
• M31: 36,064,905 km (0.11 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 17,089 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit