🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34

Radius: 8.6

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.47 AU - 0.71 AU

Year: 313 Days

Day: 12.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 54,536,170 km

• M1: 106,962 km (0.102 R)
• M2: 411,095 km (0.1 R)
• M3: 1,218,325 km (0.029 R)
• M4: 1,596,209 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.1

Radius: 11

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.4 AU - 1.96 AU

Year: 1503 Days

Day: 14.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,536,170 km

• M1: 136,732 km (0.106 R)
• M2: 842,236 km (0.095 R)
• M3: 1,268,440 km (0.051 R)
• M4: 2,329,388 km (0.107 R)
• M5: 3,089,645 km (0.046 R)
• M6: 4,165,553 km (0.102 R)
• M7: 4,549,870 km (0.089 R)
• M8: 5,847,781 km (0.047 R)
• M9: 6,816,128 km (0.105 R)
• M10: 7,778,940 km (0.089 R)
• M11: 8,307,319 km (0.092 R)
• M12: 11,073,833 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.2

Radius: 10.2

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.23 AU - 3.97 AU

Year: 4715 Days

Day: 7.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,536,170 km

• M1: 126,859 km (0.116 R)
• M2: 892,950 km (0.09 R)
• M3: 1,283,101 km (0.098 R)
• M4: 1,618,499 km (0.035 R)
• M5: 2,550,195 km (0.093 R)
• M6: 3,242,983 km (0.088 R)
• M7: 4,038,544 km (0.094 R)
• M8: 5,022,150 km (0.049 R)
• M9: 6,709,315 km (0.118 R)
• M10: 7,050,248 km (0.114 R)
• M11: 8,201,853 km (0.094 R)
• M12: 8,622,522 km (0.062 R)
• M13: 9,026,137 km (0.093 R)
• M14: 9,671,502 km (0.065 R)
• M15: 10,910,472 km (0.115 R)
• M16: 12,486,336 km (0.055 R)
• M17: 13,911,106 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.8

Radius: 9.1

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.18 AU - 4.06 AU

Year: 4754 Days

Day: 5.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,536,170 km

• M1: 113,395 km (0.061 R)
• M2: 602,730 km (0.072 R)
• M3: 1,375,702 km (0.112 R)
• M4: 2,007,155 km (0.025 R)
• M5: 2,315,326 km (0.037 R)
• M6: 3,209,174 km (0.103 R)
• M7: 4,272,216 km (0.098 R)
• M8: 4,690,043 km (0.098 R)
• M9: 5,160,678 km (0.061 R)
• M10: 5,772,084 km (0.052 R)
• M11: 6,794,286 km (0.103 R)
• M12: 7,528,812 km (0.09 R)
• M13: 7,830,401 km (0.108 R)
• M14: 8,710,486 km (0.053 R)
• M15: 12,153,481 km (0.048 R)
• M16: 12,946,499 km (0.11 R)
• M17: 13,674,592 km (0.108 R)
• M18: 14,327,437 km (0.117 R)
• M19: 15,053,585 km (0.075 R)
• M20: 16,411,036 km (0.096 R)
• M21: 16,919,220 km (0.104 R)
• M22: 22,800,810 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.2

Radius: 10.1

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.47 AU - 5.65 AU

Year: 6721 Days

Day: 11.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,536,170 km

• M1: 125,662 km (0.057 R)
• M2: 444,156 km (0.082 R)
• M3: 769,083 km (0.093 R)
• M4: 1,262,456 km (0.113 R)
• M5: 1,792,182 km (0.113 R)
• M6: 3,241,487 km (0.08 R)
• M7: 3,822,974 km (0.096 R)
• M8: 4,172,883 km (0.08 R)
• M9: 5,569,978 km (0.055 R)
• M10: 6,226,114 km (0.079 R)
• M11: 7,190,870 km (0.118 R)
• M12: 8,360,427 km (0.046 R)
• M13: 8,690,290 km (0.113 R)
• M14: 9,493,930 km (0.077 R)
• M15: 10,097,856 km (0.082 R)
• M16: 13,558,354 km (0.074 R)
• M17: 14,117,252 km (0.116 R)
• M18: 15,664,543 km (0.058 R)
• M19: 18,162,677 km (0.063 R)
• M20: 19,093,326 km (0.082 R)
• M21: 21,320,090 km (0.083 R)
• M22: 23,351,779 km (0.077 R)
• M23: 23,860,860 km (0.078 R)
• M24: 24,526,272 km (0.042 R)
• M25: 25,509,279 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275

Radius: 5

Gravity: 11 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.58 AU - 7.92 AU

Year: 12105 Days

Day: 19.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,536,170 km

• M1: 64,028 km (0.057 R)
• M2: 223,350 km (0.086 R)
• M3: 616,493 km (0.12 R)
• M4: 1,766,751 km (0.054 R)
• M5: 1,996,234 km (0.093 R)
• M6: 2,262,518 km (0.109 R)
• M7: 2,907,584 km (0.099 R)
• M8: 3,864,412 km (0.093 R)
• M9: 5,507,745 km (0.112 R)
• M10: 6,589,487 km (0.039 R)
• M11: 6,954,655 km (0.099 R)
• M12: 7,218,247 km (0.084 R)
• M13: 7,410,630 km (0.066 R)
• M14: 8,767,333 km (0.105 R)
• M15: 10,089,180 km (0.074 R)
• M16: 10,623,693 km (0.107 R)
• M17: 11,748,968 km (0.108 R)
• M18: 13,235,672 km (0.097 R)
• M19: 13,640,633 km (0.086 R)
• M20: 15,726,327 km (0.114 R)
• M21: 16,777,551 km (0.077 R)
• M22: 17,596,001 km (0.068 R)
• M23: 18,085,635 km (0.081 R)
• M24: 18,298,213 km (0.103 R)
• M25: 20,135,275 km (0.103 R)
• M26: 20,516,899 km (0.112 R)
• M27: 23,074,275 km (0.1 R)
• M28: 23,324,402 km (0.025 R)
• M29: 24,343,014 km (0.075 R)
• M30: 27,203,774 km (0.108 R)
• M31: 27,858,115 km (0.108 R)
• M32: 28,332,042 km (0.108 R)
• M33: 32,526,018 km (0.068 R)
• M34: 40,042,712 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.3

Radius: 7.4

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.09 AU - 8.21 AU

Year: 13197 Days

Day: 17.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,536,170 km

• M1: 92,302 km (0.098 R)
• M2: 459,565 km (0.066 R)
• M3: 1,212,042 km (0.115 R)
• M4: 1,447,509 km (0.068 R)
• M5: 2,527,755 km (0.084 R)
• M6: 2,917,458 km (0.037 R)
• M7: 5,119,688 km (0.054 R)
• M8: 7,103,804 km (0.096 R)
• M9: 7,615,579 km (0.088 R)
• M10: 9,199,671 km (0.109 R)
• M11: 9,602,089 km (0.092 R)
• M12: 10,550,689 km (0.098 R)
• M13: 12,510,720 km (0.097 R)
• M14: 16,393,533 km (0.102 R)
• M15: 16,985,492 km (0.099 R)
• M16: 18,846,489 km (0.108 R)
• M17: 19,578,173 km (0.075 R)
• M18: 21,184,854 km (0.094 R)
• M19: 22,243,707 km (0.085 R)
• M20: 23,523,068 km (0.106 R)
• M21: 23,803,564 km (0.118 R)
• M22: 24,658,217 km (0.087 R)
• M23: 25,141,717 km (0.091 R)
• M24: 30,001,105 km (0.041 R)
• M25: 30,441,521 km (0.093 R)
• M26: 30,774,526 km (0.119 R)
• M27: 32,361,311 km (0.066 R)
• M28: 33,292,109 km (0.081 R)
• M29: 34,360,387 km (0.059 R)
• M30: 41,254,904 km (0.109 R)
• M31: 43,462,071 km (0.107 R)
• M32: 45,456,959 km (0.1 R)
• M33: 46,183,855 km (0.071 R)
• M34: 47,960,329 km (0.12 R)
• M35: 48,713,704 km (0.065 R)
• M36: 51,806,491 km (0.101 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 20,067 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit