🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.1

Radius: 9.1

Gravity: 8.86 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.58 AU - 0.88 AU

Year: 409 Days

Day: 9.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,696,465 km

• M1: 113,395 km (0.066 R)
• M2: 484,248 km (0.117 R)
• M3: 831,315 km (0.107 R)
• M4: 1,422,227 km (0.085 R)
• M5: 1,755,082 km (0.114 R)
• M6: 2,131,470 km (0.068 R)
• M7: 3,296,838 km (0.117 R)
• M8: 4,193,976 km (0.099 R)
• M9: 4,575,002 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.5

Radius: 8.3

Gravity: 11.84 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.94 AU - 0.96 AU

Year: 607 Days

Day: 9.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,696,465 km

• M1: 103,223 km (0.076 R)
• M2: 432,487 km (0.102 R)
• M3: 832,961 km (0.066 R)
• M4: 1,364,183 km (0.094 R)
• M5: 2,134,014 km (0.117 R)
• M6: 2,506,961 km (0.094 R)
• M7: 2,911,175 km (0.12 R)
• M8: 3,179,254 km (0.059 R)
• M9: 3,723,192 km (0.098 R)
• M10: 4,129,350 km (0.055 R)
• M11: 4,662,068 km (0.098 R)
• M12: 4,928,203 km (0.067 R)
• M13: 6,135,607 km (0.107 R)
• M14: 7,000,133 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.1

Radius: 12.9

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.52 AU - 2.04 AU

Year: 1558 Days

Day: 9.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 52,696,465 km

• M1: 160,369 km (0.041 R)
• M2: 564,134 km (0.09 R)
• M3: 1,011,880 km (0.072 R)
• M4: 1,413,101 km (0.119 R)
• M5: 1,859,950 km (0.119 R)
• M6: 2,517,732 km (0.09 R)
• M7: 3,706,138 km (0.065 R)
• M8: 4,397,729 km (0.102 R)
• M9: 6,135,757 km (0.059 R)
• M10: 7,826,512 km (0.093 R)
• M11: 8,353,695 km (0.09 R)
• M12: 8,780,049 km (0.11 R)
• M13: 10,284,554 km (0.081 R)
• M14: 11,354,478 km (0.092 R)
• M15: 11,992,813 km (0.066 R)
• M16: 14,180,981 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.2

Radius: 12.9

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.49 AU - 2.09 AU

Year: 1571 Days

Day: 10.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,696,465 km

• M1: 160,369 km (0.082 R)
• M2: 646,562 km (0.109 R)
• M3: 1,565,243 km (0.075 R)
• M4: 1,985,164 km (0.096 R)
• M5: 2,492,450 km (0.104 R)
• M6: 3,742,939 km (0.104 R)
• M7: 4,145,207 km (0.047 R)
• M8: 5,204,809 km (0.108 R)
• M9: 6,075,768 km (0.081 R)
• M10: 6,701,386 km (0.116 R)
• M11: 7,441,148 km (0.082 R)
• M12: 8,520,347 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.3

Radius: 14.5

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.97 AU - 3.03 AU

Year: 2593 Days

Day: 10.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,696,465 km

• M1: 183,407 km (0.086 R)
• M2: 699,071 km (0.067 R)
• M3: 1,211,444 km (0.065 R)
• M4: 1,676,543 km (0.119 R)
• M5: 2,238,283 km (0.038 R)
• M6: 3,228,771 km (0.027 R)
• M7: 3,975,863 km (0.031 R)
• M8: 4,432,435 km (0.055 R)
• M9: 5,126,719 km (0.092 R)
• M10: 6,570,039 km (0.102 R)
• M11: 7,299,030 km (0.109 R)
• M12: 8,143,958 km (0.109 R)
• M13: 8,886,114 km (0.106 R)
• M14: 9,359,591 km (0.091 R)
• M15: 9,849,973 km (0.086 R)
• M16: 10,655,408 km (0.055 R)
• M17: 11,783,824 km (0.111 R)
• M18: 13,869,518 km (0.093 R)
• M19: 15,406,486 km (0.113 R)
• M20: 15,943,243 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.3

Radius: 10.4

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.08 AU - 5.6 AU

Year: 6985 Days

Day: 7.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 52,696,465 km

• M1: 130,001 km (0.102 R)
• M2: 468,241 km (0.072 R)
• M3: 801,246 km (0.113 R)
• M4: 1,494,782 km (0.12 R)
• M5: 1,822,401 km (0.105 R)
• M6: 2,388,031 km (0.068 R)
• M7: 2,722,681 km (0.053 R)
• M8: 3,196,308 km (0.105 R)
• M9: 3,581,074 km (0.079 R)
• M10: 4,203,551 km (0.109 R)
• M11: 5,043,991 km (0.094 R)
• M12: 5,761,463 km (0.109 R)
• M13: 8,158,769 km (0.041 R)
• M14: 9,693,493 km (0.112 R)
• M15: 10,901,795 km (0.084 R)
• M16: 11,726,079 km (0.052 R)
• M17: 16,615,985 km (0.085 R)
• M18: 17,087,667 km (0.116 R)
• M19: 22,065,088 km (0.097 R)
• M20: 24,318,181 km (0.113 R)
• M21: 25,278,749 km (0.09 R)
• M22: 25,813,113 km (0.034 R)
• M23: 26,264,300 km (0.106 R)
• M24: 26,812,426 km (0.104 R)
• M25: 27,555,329 km (0.07 R)
• M26: 28,026,563 km (0.118 R)
• M27: 31,272,687 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.4

Radius: 10.3

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.18 AU - 6.4 AU

Year: 9140 Days

Day: 14.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 52,696,465 km

• M1: 133,292 km (0.082 R)
• M2: 556,953 km (0.094 R)
• M3: 1,266,496 km (0.077 R)
• M4: 1,631,814 km (0.09 R)
• M5: 2,188,916 km (0.111 R)
• M6: 2,805,409 km (0.06 R)
• M7: 3,293,846 km (0.118 R)
• M8: 6,085,043 km (0.071 R)
• M9: 7,103,056 km (0.081 R)
• M10: 7,927,790 km (0.095 R)
• M11: 8,363,419 km (0.108 R)
• M12: 10,015,428 km (0.101 R)
• M13: 12,679,317 km (0.046 R)
• M14: 14,016,572 km (0.108 R)
• M15: 14,654,458 km (0.093 R)
• M16: 16,897,827 km (0.106 R)
• M17: 18,590,827 km (0.074 R)
• M18: 24,436,214 km (0.097 R)
• M19: 26,307,683 km (0.094 R)
• M20: 26,984,763 km (0.057 R)
• M21: 31,293,331 km (0.088 R)
• M22: 34,407,809 km (0.059 R)
• M23: 34,868,870 km (0.089 R)
• M24: 35,685,824 km (0.108 R)
• M25: 36,396,115 km (0.092 R)
• M26: 37,600,976 km (0.109 R)
• M27: 39,709,857 km (0.101 R)
• M28: 40,857,722 km (0.118 R)
• M29: 43,891,566 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.6

Radius: 3.8

Gravity: 12.09 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 8.04 AU - 13.28 AU

Year: 22832 Days

Day: 21 Hours

Environment

Temp: -227 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,696,465 km

• M1: 47,273 km (0.11 R)
• M2: 391,498 km (0.09 R)
• M3: 638,933 km (0.07 R)
• M4: 1,095,056 km (0.085 R)
• M5: 2,116,511 km (0.11 R)
• M6: 3,366,550 km (0.087 R)
• M7: 4,060,385 km (0.076 R)
• M8: 5,171,898 km (0.091 R)
• M9: 8,200,207 km (0.045 R)
• M10: 11,822,121 km (0.037 R)
• M11: 12,655,830 km (0.069 R)
• M12: 13,087,121 km (0.096 R)
• M13: 14,910,121 km (0.072 R)
• M14: 29,503,243 km (0.111 R)
• M15: 36,541,225 km (0.078 R)
• M16: 41,044,569 km (0.091 R)
• M17: 52,067,240 km (0.047 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 212 - 12,141 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit